PUBLICATIONS IN REFEREED JOURNAL

(All downloadable materials on this webpage are available for personal use only, and in accordance with the copyright laws that apply)

183. Dong Cai, Cheryl A Doughty, Terra B Potocky, Fay J Dufort, Zhongping Huang, Derek Blair, Krzysztof Kempa, Z F Ren, and Thomas C Chiles, “Carbon nanotube-mediated delivery of nucleic acids does not result in non-specific activation of B lymphocytes”, Nanotechnology, 18, 365101 (2007).

182. Q. He, Q. Hao, G. Chen, B. Poudel, X. Wang, D. Wang, Z.F. Ren, Thermoelectric Property Studies on Bulk TiO_x with x from 1 to 2, Applied Physics Letters, 91, 052505 (2007)

181. P.L. Li, X.Y. Yao, F. Gao, C. Zhao, K.B. Yin, Y.Y. Weng, J.-M. Liu, Z.F. Ren, "Preparation of Aligned Ca₃Co₂O6 Nanorods and Their Steplike Magnetization," Appl. Phys. Lett., 91, 042505 (2007)

180. C.H. Chen, Q. Cai, C. Tsai, C.L. Chen, G Xiong, Y. Yu, Z.F. Ren, "Dropwise Condensation on Superhydrophobic Surfaces with Two-Tier Roughness," Appl. Phys. Lett., 90, 173108, (2007)

179. J. Y. Huang, S. Chen, Z. F. Ren, Z. Wang, K. Kempa, M. J. Naughton, G. Chen, and M. S. Dresselhaus, “Enhanced Ductile Behavior of Tensile-Elongated Individual Double-Walled and Triple-Walled Carbon Nanotubes at High Temperatures”, Phys. Rev. Lett. 98, 185501 (2007).

178. M.S. Dresselhaus, G. Chen, M.Y. Tang, R. Yang, H. Lee, D. Wang, Z. Ren, J. Fleurial, and P. Gogna, "New Directions for Low-Dimensional Thermoelectric Materials", Adv. Mat., 19, 1043 - 1053 (2007.

177. S. Dong, F. Gao, Z. Q. Wang, J.-M. Liu, and Z. F. Ren, “Surface phase separation in nanosized charge-ordered manganites”, Appl. Phys. Lett. 90, 082508 (2007).

176. Krzysztof Kempa, Jakub Rybczynski, Zhongping Huang, Keith Gregorczyk, Andy Vidan, Brian Kimball, Joel Carlson, Glynda Benham, Yang Wang, Andrzej Herczynski, and Zhifeng Ren, "Carbon nanotubes as optical antennae", Adv. Mater. 19, 421 - 426 (2007).

175. Baoqing Zeng, Guangyong Xiong, Shuo Chen, Wenzhong Wang, D. Z. Wang, and Z. F. Ren, "Field emission of silicon nanowires grown on carbon cloth", Appl. Phys. Lett. 90, 033112 (2007).

174. Wenzhong Wang, Keda Wang, Daxing Han, Bed Poudel, Xiaowei Wang, D. Z. Wang, Baoqing Zeng, and Z. F. Ren, "Near-Infrared Photoluminescence in Germanium Oxide Enclosed Germanium Nano- and Micro-Crystals", Nanotechnology 18, 075707 (2007).

173. J. Rybczynski, K. Kempa, Z. P. Huang, R. Jarzebinska, M. Giersig, A. Vidan, B. Kimball, J. Carlson, A. Herczynski, Y. Wang, M. J. Naughton, and Z. F. Ren, "Subwavelength waveguide for visible light", Appl. Phys. Lett. 90, 021104 (2007).

172. Z. F. Ren, "Nanotube Synthesis: Cloning Carbon", News and Views in Nature Nanotechnology 2, 17 - 18 (2007).

2006

171. Wenzhong Wang, Bed Poudel, Yi Ma, and Z. F. Ren, "Shape Control of Single Crystalline Bismuth Nanostructures", J.of Phys. Chem. B, 110, 25702 - 25706 (2006).

170. Wenzhong Wang, Baoqing Zeng, Jian Yang, Bed Poudel, J. Y. Huang, M. J. Naughton, and Z. F. Ren, "Aligned Ultralong ZnO Nanobelts and Their Enhanced Field Emission", Adv. Mater. 18, 3275 - 3278 (2006).

169. K. F. Wang, F. Yuan , S. Dong , D. Li , Z. D. Zhang , Z. F. Ren , and J. M. Liu, "A-site disorder induced collapse of charge-ordered state and phase separated phase in manganites", Appl. Phys. Lett. 89, 222505 (2006).

168. Baoqing Zeng, Guangyong Xiong, Shuo Chen, W. Z. Wang, D. Z. Wang, and Z. F. Ren, "Enhancement of field emission of aligned carbon nanotubes by thermal oxidation", Appl. Phys. Lett. 89, 223119 (2006).

167. F. Gao, Y. Yuan, K. F. Wang, X. Y. Chen, F. Chen, J.-M. Liu, and Z. F. Ren, "Preparation and photoabsorption characterization of BiFeO₃ nanowires", Appl. Phys. Lett. 89, 102506 (2006).

166. J.Y. Huang, S. Chen, Z. F. Ren, Z. Q. Wang, D. Z. Wang, M. Vaziri, Z. Suo, G. Chen, and M. S. Dresselhaus, "Kink Formation and Motion in Carbon Nanotubes at High Temperatures", Phys. Rev. Lett. 97, 075501 (2006).

165. J. Y. Huang, S. Chen, Z. F. Ren, G. Chen,and M. S. Dresselhaus, "Real-Time Observation of Tubule Formation from Amorphous Carbon Nanowires under High-Bias Joule Heating", Nano Letters 6, 1699 (2006).

164. Jiming Bao, Mariano A. Zimmler, Federico Capasso, Xiaowei Wang and Z. F. Ren, "Broadband ZnO Single-Nanowire Light-Emitting Diode", Nano Letters 6, 1719 (2006).

163. Jian Yang, Wenzhong Wang, Yi Ma, D. Z. Wang, Z. F. Ren, D. Steeves, and B. Kimball, "High Throughput Growth of Zinc Oxide Nanowires from Zinc Powder with the Assistance of Sodium Chloride", J. Nanosci. Nanotechnol. 6, 2196 (2006).

162. Baoqing Zeng, Guangyong Xiong, Shuo Chen, S. H. Jo, W. Z. Wang, D. Z. Wang, and Z. F. Ren, "Field emission of silicon nanowires", Appl. Phys. Lett. 88, 213108 (2006).

161. J. Rybczynski, K. Kempa, Y. Wang, Z. F. Ren, J. B. Carlson, B. R. Kimball, and G. Benham, "Visible light diffraction studies on periodically aligned arrays of carbon nanotubes: experimental and theoretical comparison", Appl. Phys. Lett. 88, 203122 (2006).

160. K. F. Wang, Y. Wang, L. F. Wang, S. Dong, H. Yu, Q. C. Li, J. -M. Liu, and Z. F. Ren "Ferromagnetic metal to cluster-glass insulator transition induced by A-site disorder in manganites", Appl. Phys. Lett. 88, 152505 (2006).

159. B. Poudel, W. Z. Wang, D. Z. Wang, J. Y. Huang, and Z. F. Ren "Shape Evolution of Lead Telluride and Selenide Nanostructures Under Different Hydrothermal Synthesis Conditions", J. Nanosci. Nanotechnol., 6, 1050-1053 (2006).

158. J. Y. Huang, S. Chen, Z. Q. Wang, K. Kempa,Y. M. Wang, S. H. Jo, G. Chen, M. S. Dresselhaus and Z. F. Ren, "Superplastic carbon nanotubes", Nature 439, 281 (2006).

157. Guangyong Xiong, D. Z. Wang, and Z. F. Ren, "Aligned Millimeter-Long Carbon Nanotubes Arrays Grown on Single Crystal Magnesia", Carbon 44, 969 -973 (2006).

156. Y. Wang, S. H. Jo, S. Chen, D. Z. Wang, K. Kempa and Z. F. Ren, "Aligned carbon nanofibres by a low-energy dark discharge for field emission and optoelectronics", Nanotechnology 17, 501-505 (2006).

2005

154. S. Chen, J. Y. Huang, Z. Wang, K. Kempa, G. Chen, and Z. F. Ren, "High-bias-induced Structure and the Corresponding Electronic Property Changes in Carbon Nanotubes", Appl. Phys. Lett. 87, 263107 (2005).

153. Wenzhong Wang, Bed Poudel, D. Z. Wang, and Z. F. Ren, "Synthesis of Multiwalled Carbon Nanotubes through a Modified Wolff-Kishner Reduction Process", JACS 127, 18018-18019 (2005).

152. S. H. Jo, J. Y. Huang, S. Chen, G. Y. Xiong, D. Z. Wang, and Z. F. Ren, "Field emission of carbon nanotubes grown on carbon cloth", J. Vac. Sci. Technol. B 23, 2363 – 2368 (2005).

151. F Chen, H W Liu, K F Wang, H Yu, S Dong, X Y Chen, X P Jiang, Z F Ren and J-M Liu "Synthesis and characterization of La_0.825Sr_0.175Mn_O3 nanowires", J. Phys.: Condens. Matter 17, L467-L475 (2005)

150. Wenzhong Wang, Bed Poudel, Jian Yang, D. Z. Wang, and Z. F. Ren, "High-Yield Synthesis of Single-Crystalline Antimony Telluride Hexagonal Nanoplates Using a Solvothermal Approach", JACS, 127, 13792-13793 (2005).

149. B. Poudel, W. Z. Wang, C. Dames, J. Y. Huang, S. Kunwar, D. Z. Wang, D. Banerjee, G. Chen, and Z. F. Ren, "Formation of crystallized titania nanotubes and their transformation into nanowires", Nanotechnology, 16, 1935-1940 (2005).

148. J. Y. Huang, K. Kempa, S. H. Jo, S. Chen, and Z. F. Ren, "Giant field enhancement at carbon nanotube tips induced by multistage effect", Applied Physics Letters 87, 053110 (2005)

147. W. Z. Wang, B. Poudel, D. Z. Wang, and Z. F. Ren, "Synthesis of PbTe Nanoboxes Using a Solvothermal Technique", Advanced Materials 17, 2110 (2005).

146. C. Dames, B. Poudel, W. Z. Wang, J. Y. Huang, Z. F. Ren, Y. Sun, J. I. Oh, C. Opeil, M. J. Naughton and G. Chen, "Low-dimensional phonon specific heat of titanium dioxide nanotubes", Appl. Phys. Lett.87, 031901 (2005)

145. J. Y. Huang, S. Chen, S. H. Jo, Z. Wang, D.X. Han, G. Chen, M.S. Dresselhaus, and Z. F. Ren, "Atomic scale imaging of wall-by-wall breakdown and concurrent transport measurements in multiwall carbon nanotubes", Phys. Rev. Lett. 94, 236802 (2005)

144. J. J. Hu, S. H. Jo, Z. F. Ren, A. A. Voevodin, and J.S. Zabinski, "Tribological behavior and graphitization of carbon nanotubes grown on 440C stainless steel", Tribology 19, 119 (2005).

143. J. Y. Huang, L. C. Zhang, S. Chen, D. Z. Wang, S. H. Jo, W. Z. Li and Z. F. Ren, "Interface reactions in a chromium buffer layer deposited between stainless steel and a silicon substrate", Philosophical Magazine, 85,1459-1471 (2005)

142. D. Cai, J. Mataraza, Z. P. Huang, J. Y. Huang, Z. H. Qin, T. C. Chiles, D. Carnahan, K. Kempa, and Z. F. Ren, "Highly Efficient Molecular Delivery into Mammalian Cells Using Carbon Nanotube Spearing", Nature Methods 2, 449 - 454 (2005).

141. Y. Wang, J. Rybczynski, D. Z. Wang, and Z. F. Ren, "Large-scale triangular lattice arrays of sub-micron islands by microsphere self-assembly", Nanotechnology 16, 819 - 822 (2005).

140. W. Z. Wang, J. Y. Wang, D. Z. Wang, and Z. F. Ren, "Low-temperature hydrothermal synthesis of multiwall Carbon Nanotubes", Carbon 43, 1328-1331 (2005).

139. W. Z. Wang, B. Poudel, J. Y. Huang, D. Z. Wang, S. Kunwar, and Z. F. Ren, "Synthesis of Gram-scale Germanium Nanocrystals by a Low-temperature Inverse Micelle Solvothermal Route", Nanotechnology 16, 1126 - 1129 (2005).

138. X. Wang, Z. F. Ren, and K. Kempa, "Improved superlensing in two-dimensional photonic crystals with a basis", Appl. Phys. Lett. 86, 061105 (2005).

137. Y. Wang, X. Wang, J. Rybczynski, D. Z. Wang, K. Kempa, and Z. F. Ren, "Triangular lattice of carbon nanotube arrays for negative index of refraction and subwavelength lensing effect", Appl. Phys. Lett. 86, 153120 (2005).

136. Y. Tu, Y. H. Lin, W. Yantasee, and Z. F. Ren, "Carbon Nanotubes Based Nanoelectrode Array: Fabrication, Evaluation, and Application in Voltammetric Analysis", Electroanalysis 17, 79 - 84 (2005)

135. G. Y. Xiong, Y. Suda, D. Z. Wang, J. Y. Huang, Z. F. Ren, "Effect of temperature, pressure, and gas ratio of methane to hydrogen on synthesis of double-walled carbon nanotubes by chemical vapor deposition", Nanotechnology 16, 532-535 (2005).

134. W. Z. Wang, J. Y. Huang, and Z. F. Ren, "Synthesis of Germanium Nanocubes by a Low Temperature Inverse Micelle Solvothermal Technique", Langmuir 21, 751 - 754 (2005).

133. D. Banerjee, J. Rybczynski, J. Y. Huang, D. Z. Wang, K. Kempa, and Z. F. Ren, "Large hexagonal arrays of aligned ZnO nanorods", Appl. Phys. A. 80 749-752 (2005).

132. P. He, D. L. Shi, J. Lian, L. M. Wang, R. C. Ewing, W. V. Ooij, W. Z. Li, and Z. F. Ren, "Plasma deposition of thin carbonfluorine films on aligned carbon nanotube", Appl. Phys. Lett. 86, 043107 (2005).

131. W. Z. Wang, S. Kunwar, J. Y. Huang, D. Z. Wang, and Z. F. Ren, "Low Temperature Solvothermal Synthesis of Multiwall Carbon Nanotubes", Nanotechnology 16, 21 - 23 (2005)

2004

130. Dow JD, Blackstead HA, Ren ZF, Wang DZ, "Magnetic resonance of Cu and of Gd in insulating GdSr₂Cu₂NbO₈ and in superconducting GdSr2Cu2RuO8", JETP LETTERS 80 (3): 190-194 (2004 )

129. R. D. Bennett, G. Y. Xiong, Z. F. Ren, and R. E. Cohen, "Using Block Coplomer Micellar Thin Films as Templates for the Production of Catalysts for Carbon Nnaotube Growth", Chemistry of Materials 26, 5589 - 5595 (2004).

128. J. Chen, P. Spagnoal, R. N. Bhattacharya, and Z. F. Ren, "Preparation of high J(c) YBCO coated conductors on non-magnetic Ni-W substrates", Journal of Physics D - Appl. Phys. 37, 2623-2627 (2004).

127. J. Chen, P. P. A. Parilla, R. N. Bhattacharya, and Z. F. Ren, Growth of biaxially textured CeO₂/YSZ/CeO₂ and SrTiO₃ buffer layers on textured Ni substrates by pulsed laser deposition, Japanese Journal of Appl. Phys. Part 1 - Regular Papers Short Notes & Review Papers 43, 6040-6043 (2004).

126. D. Banerjee, S. H. Jo, and Z. F. Ren, "Enhanced field emission of ZnO nanowires", Advanced Materials 16, 2028 - 2032 (2004).

125. Tarek A. El-Aguizy, Jeong-hyun Jeong, Yong-Bae Jeon, W. Z. Li, Z. F. Ren, and Sang-Gook Kim, "Transplanting carbon nanotubes", Appl. Phys. Lett. 85, 5995 - 5997 (2004).

124. J. Rybczynski, D. Banerjee, A. Kosiorek, M. Giersig, Z. F. Ren, "Formation of super arrays of periodic nanoparticles and aligned ZnO nanorods - simulation and experiments", NanoLetters 4, 2037 - 2040 (2004).

123. Y. Wang, J. Rybczynski, D. Z. Wang, K. Kempa, Z. F. Ren, W. Z. Li, and B. Kimball, "Periodicity and alignment of large-scale carbon nanotubes arrays", Appl. Phys. Lett. 85, 4741 - 4743 (2004).

122. Y. Wang, K. Kempa, B. Kimball, J. B. Carlson, G. Benham, W. Z. Li, T. Kempa, J. Rybczynski, A. Herczynski, and Z. F. Ren, "Receiving and Transmitting Light-like Radio Waves: Antenna Effect in Arrays of Aligned Carbon Nanotubes", Appl. Phys. Lett. 85, 2607 - 2609 (2004).

121. J. Chen, R. N. Bhattacharya, Z. F. Ren, "Processing of electroplated Bi-2212/Ag tapes using a melt-quench and annealing method", J. of Physics D - Applied Physics 37, 1685-1689 (2004).

120. S. H. Jo, D. Banerjee, and Z. F. Ren, "Field emission of zinc oxide nanowires grown on carbon cloth", Appl. Phys. Lett. 85, 1407 - 1409 (2004).

119. X. Wang, Z. F. Ren and K. Kempa, "Unrestricted superlensing in a triangular two-dimensional photonic crystal", Optics Express 12, 2919 - 2924 (2004).

118. S. H. Jo, D. Z. Wang, J. Y. Huang, W. Z. Li, K. Kempa, and Z. F. Ren, "Field Emission of Carbon Nanotubes Grown on Carbon Cloth", Appl. Phys. Lett. 85, 810 - 812 (2004).

117. S. Chen, D. Z. Wang, J. Y. Huang, and Z. F. Ren, "Synthesis and Characterization of Boron Carbide Nanoparticles", Appl. Phys. A 79, 1757 - 1759 (2004).

116. J. A. Rojas-Chapana, M. A. Correa-Duarte, Z. F. Ren, K. Kempa, and M. Giersig, "Enhanced Introduction of Gold Nanoparticles into Vital Acidothiobacillus Ferrooxidans by Carbon Nanotubes-based Microwave Electroporation", NanoLetters 4, 985 - 988 (2004).

115. X. Wang, K. Kempa Z. F. Ren, B. Kimball, "Rapid photon flux switching in two-dimensional photonic crystals"Appl. Phys. Lett. 84, 1817 - 1819 (2004).

114. Y. H. Lin, F. Lu, Y. Tu, and Z. F. Ren, "Glucose Biosensors Based on Carbon Nanotube Nanoelectrode Ensembles", NanoLetters 4, 191 - 195 (2004).

113. J. Y. Lao, J. Y. Huang, D. Z. Wang, Z. F. Ren, "Hierarchical Oxide Nanostructures", J. of Materials Chemistry 14, 770 - 773 (2004).

112. J. Y. Lao, J. Y. Huang, D. Z. Wang, Z. F. Ren, D. Steeves, B. Kimball, and W. Porter, "ZnO Nanowalls", Appl. Phys. A 78, 539 - 542 (2004).

111. J. Y. Lao, J. Y. Huang, D. Z. Wang, Z. F. Ren, "Self-assembled In₂O₃ Nanocrystal Chains and Nanowire Networks", Advanced Materials 16, 65 - 69 (2004).

110. H. Tang, J. H. Chen, Z. P. Huang, D. Z. Wang, Z. F. Ren, L. H. Nie, Y. F. Kuang, S. Z. Yao, "High dispersion and electrocatalytic properties of platinum on well-aligned carbon nanotube arrays", Carbon 42, 191 - 197 (2004).

109. S. H. Jo, Y. Tu, Z. P. Huang, D. L. Carnahan, J. Y. Huang, D. Z. Wang, Z. F. Ren, "Correlation of field emission and surface microstructure of vertically aligned carbon nanotubes", Appl. Phys. Lett. 84, 413 - 415 (2004).

108. D. Banerjee, J. Y. Lao, D. Z. Wang, J. Y. Huang, D. Steeves, B. Kimball, and Z. F. Ren, "Synthesis and photoluminescence studies on ZnO nanowires", Nanotechnology 15, 404 - 409 (2004).

107. Raghu N Bhattacharya, Jun Chen, Priscila Spagnol1, J Y Huang and Z F Ren, "Superconductor Bi-oxide films via an electrodeposition process",Supercond. Sci. Technol. 17, 120–124 (2004)

2003

106. Dale R. Harshman, John D. Dowz,W. J. Kosslerk, D. R. Noakes, C. E. Stronach, A. J. Greer, E. Koster, Z . F. Ren and D. Z. Wang, "Muon spin rotation in GdSr₂Cu₂RuO₈: implications", Philosophical Magazine, 83, 3055–3064 (2003)

105. S. H. Jo, J. Y. Lao, Z. F. Ren, R. A. Farrer, T. Baldacchini, and J. T. Fourkas, "Field-emission studies on thin films of zinc oxide nanowires", Appl. Phys. Lett. 83, 4821-4823 (2003)

104. D. Banerjee, J. Y. Lao, D. Z. Wang, J. Y. Huang, Z. F. Ren, D. Steeves, B. Kimball, and M. Sennett, "Large-quantity free-standing ZnO nanowires", Appl. Phys. Lett. 83, 2061-2063 (2003)

103. J.G. Wen, J.Y. Lao, D.Z. Wang, T.M. Kyaw, Y.L. Foo, and Z.F. Ren, "Self-assembly of semiconducting oxide nanowires, nanorods, and nanoribbons", Chem. Phys. Lett., 372, 717–722 (2003)

102. S. H. Jo, Y. Tu, Z. P. Huang, D. L. Carnahan, D. Z. Wang, and Z. F. Ren, "Effect of length and spacing of vertically aligned carbon nanotubes on field emission properties", Appl. Phys. Lett. 82, 3520-3522 (2003)

101. J. Moser, R. Panepucci, Z. P. Huang, W. Z. Li, Z. F. Ren, A. Usheva, M. J. Naughton, "Individual free-standing carbon nanofibers addressable on the 50 nm scale", J. Vac. Sci. Technol. B 21(3), 1004-1007 (2003)

100. Y. Tu, Yuehe Lin, Z. F. Ren, "Nanoelectrode Arrays Based on Low Site Density Aligned Carbon Nanotubes", Nano Letters 3, 107-109 (2003).

99. J. Y. Lao, J. Y. Huang, D. Z. Wang, Z. F. Ren, "ZnO nanobridges and nanonails", Nano Letters 3, 235-238 (2003)

98. W. Z. Li, J. G. Wen, Z. F. Ren, "Clean double-walled carbon nanotubes synthesized by CVD", Chem. Phys. Lett. 368, 299–306 (2003).

97. K. Kempa, B. Kimball, J. Rybczynski, Z. P. Huang, P. F. Wu, D. Steeves, M. Sennett, M. Giersig, D. V. G. L. N. Rao, D. L. Carnahan, D. Z. Wang, J. Y. Lao, W. Z. Li, and Z. F. Ren, "Photonic crystals based on periodic arrays of aligned carbon nanotubes", Nano Letters 3, 13-18 (2003).

96. Z. P. Huang, J. Rybczynski, M. Giersig, K. Kempa, D. Z. Wang, D. L. Carnahan, J. G. Wen, M. Sennett, and Z. F. Ren, "Growth of Large Periodic Arrays of Carbon Nanotubes", Appl. Phys. Lett. 82, 460-462 (2003).

95. D. Z. Wang, H. I. Ha, J. I. Oh, J. Moser, J. G. Wen, M. J. Naughton, Z. F. Ren, "Synthesis and Properties of Superconductor RuSr₂GdCu₂O₈", Physica C, 384, 137-142 (2003).

94. M. Sennett, E. Welsh, J. B. Wright, W. Z. Li, J. G. Wen, and Z. F. Ren, "Dispersion and Alignment of Carbon Nanotubes in Polycarbonate," Appl. Phys. A 76, 111-113 (2003)

2002

93. R. N. Bhattacharya, D. Banerjee, J. G. Wen, R. Padmanabhan, Y. T. Wang, J. Chen, Z. F. Ren, A. M. Hermann, R. D. Blaugher, "Structural studies of electrodeposited and sprayed thallium-oxide films", Superconductor Science and Technology 15, 1288 - 1294 (2002).

92. J. Y. Lao, J. G. Wen, and Z. F. Ren, "Hierarchical ZnO nanostructures", Nano Letters 2, 1287 - 1291 (2002).

91. J. Y. Lao, J. G. Wen, D. Z. Wang, Z. F. Ren, "Synthesis of Amorphous SiO_x Nanostructures", International Journal of Nanoscience 1, 149 - 157 (2002).

90. Y. Tu, Z. P. Huang, D. Z. Wang, J. G. Wen, Z. F. Ren, "Growth of Aligned Carbon Nanotubes with Controlled Site Density", Appl. Phys. Lett. 80, 4018 - 4020 (2002).

89. E. T. Thostenson, W. Z. Li, D. Z. Wang, Z. F. Ren, and T. W. Chou, "Carbon nanotube / carbon fiber hybrid multi-scale composites", J. of Appl. Phys. 91, 6034 - 6037 (2002).

88. Z. P. Huang, D. Z. Wang, J. G. Wen, M. Sennett, H. Gibson, and Z. F. Ren, "Effect of nickel, iron, and cobalt on growth of aligned carbon nanotubes", Appl. Phys. A 74, 387-391 (2002).

87. W. Z. Li, J. G. Wen, and Z. F. Ren, "Effect of temperature on growth and structure of carbon nanotubes by chemical vapor deposition", Appl. Phys. A 74, 397-402 (2002).

86. J. Y. Lao, W. Z. Li, J. G. Wen, and Z. F. Ren "Boron Carbide Nanolumps on Carbon Nanotubes", Appl. Phys. Lett. 80, 500-502 (2002).

85. R. N. Bhattacharya, Z. Xing, J. Z. Wu, J. Chen, S. X. Yang, Z. F. Ren, and R. D. Blaugher, "Superconducting Thallium Oxide and Mercury Oxide Films", Physica C 377, 327-332, (2002).

84. J. G. Wen, D. Z. Wang, S. X. Yang, and Z. F. Ren, "Microstructures of Tl₂Ba₂CuO₆ thin films with different doping levels", Physica C 366, 203-210 (2002).

83. J. H. Chen, Z. P. Huang, D. Z. Wang, S. X. Yang, W. Z. Li, J. G. Wen, and Z. F. Ren "Electrochemical Synthesis of Polypyrrole Films over Each of Well-Aligned Carbon Nanotubes", Synthetic Metals 125, 289-294 (2002).

82. J. H. Chen, W. Z. Li, D. Z. Wang, S. X. Yang, J. G. Wen, Z. F. Ren, "Electrochemical characterization of carbon nanotubes as electrode in electrochemical double-layer capacitors," Carbon 40, 1193-1197 (2002).

2001

81. H. A. Blackstead, J. D. Dow, D. R. Harshman, D. B. Pulling, Z. F. Ren, D. Z. Wang, "Magnetic resonance and Mossbauer studies of GdSr₂Cu₂RuO₈ Physica C 364, 305-308 (2001).

80. W. Z. Li, J. G. Wen, Z. F. Ren, "Straight carbon nanotube Y-junctions", Appl. Phys. Lett. 79, 1879 - 1881 (2001).

79. W. Z. Li, J. G. Wen, Y. Tu, and Z. F. Ren, "Effect of Gas Pressure on the Growth and Structure of Carbon Nanotubes by Chemical Vapor Deposition", Appl. Phys. A 73, 259-264 (2001).

78. J. H. Chen, Z. P. Huang, D. Z. Wang, S. X. Yang, J. G. Wen, and Z. F. Ren, "Electrochemical synthesis of polypyrrole / carbon nanotube nanoscale composites using well-aligned carbon nanotube arrays", Appl. Phys. A. 73, 129-131 (2001).

77. E. T. Thostenson, Z. F. Ren and Tsu-Wei Chou, "Advances in the science and technology of carbon nanotubes and their composites: a review", Composites Science and Technology 61, 1899-1912 (2001).

76. J. G. Wen, Z. P. Huang, D. Z. Wang, J. H. Chen, S. X. Yang, Z. F. Ren J. H. Wang, L. E. Calvet, J. Chen, J. F. Klemic, M. A. Reed, "Growth and characterization of aligned carbon nanotubes from patterned nickel nanodots and uniform thin films", Journal of Materials Research 16, 3246-3253 (2001).

75. W. Z. Li, D. Z. Wang, S. X. Yang, J. G. Wen, and Z. F. Ren, "Controlled Growth of Carbon Nanotubes on Graphite Foil by Chemical Vapor Deposition", Chemical Physics Letters 335, 141-149 (2001).

74. D. Z. Wang, H. I. Ha, S. X. Yang, J. I. Oh, J. G. Wen, M. J. Naughton, Z. F. Ren, "Synthesis and characterization of heavily overdoped Tl₂Ba₂CuO_6+d thin films", Physica C 355, 251 - 256 (2001).

2000

73. D. C. Smith, P. Gay, C. J. Stevens, C. Chen, G. Yang, S. J. Abell, D. Z. Wang, J. H. Wang, Z. F. Ren, and J.F. Ryan, "Femtosecond dynamics of BSCCO-2212 in the weak and strong excitation limits", Physica C 341-348, 2221-2222 (2000).

72. D. C. Smith, P. Gay, D. Z. Wang, J. H. Wang, Z. F. Ren, J. F. Ryan, "Ultrafast quasiparticle dynamics in Tl₂Ba₂CuO_6+d", Physica C 341-348, 2219-2220 (2000).

71. H. Yan, J. Jung, H. Darhmaoui, Z. F. Ren, J. H. Wang, and W. K. Kwok, "Fast vortex motion and filamentary phase separation in high-Tc thin films", Phys. Rev. B 61, 11711-11721 (2000).

70. J. Y. Lao, J. H. Wang, D. Z. Wang, Y. Tu, S. X. Yang, H. L. Wu, Z. F. Ren, D. T. Verebelyi, M. Paranthaman, T. Aytug, D. K. Christen, R. N. Bhattacharya, and R. D. Blaugher, "Synthesis and Characterization of Chromium-Containing Thallium-Based 1212 Films", Physica C 333, 221 - 228 (2000).

69. R. N. Bhattacharya, H.L. Wu, Y. T. Wang, R. D. Blaugher, S. X. Yang, D. Z. Wang, Z. F. Ren, Y. Tu, D. T. Verebelyi, and D. K. Christen, " Improved Electrodeposition Process for the Preparation of Superconducting Thallium Oxide Films", Physica C 333, 59 - 64 (2000).

68. J. Y. Lao, J. H. Wang, D. Z. Wang, S. X. Yang, Y. Tu, J. G. Wen, H. L. Wu, Z. F. Ren, D. T. Verebelyi, M. Paranthaman, T. Aytug, D. K. Christen, R. N. Bhattacharya, and R. D. Blaugher, "Synthesis and Characterization of Thallium-Based 1212 Films with High Critical Current Density on LaAlO₃ Substrates", Superconductor Science and Technology 13, 173-177 (2000).

67. A. K. Pradhan, B. K. Roul, J. G. Wen, Z. F. Ren, M. Muralidhar, P. Dutta, D. R. Sahu, S. Mohanty, and P. K. Patro, "Enhanced room-temperature magnetoresistance in partially melted La0.67Ca0.33MaO3 manganites", Appl. Phys. Lett. 76, 763 - 765 (2000).

1999

66. R. N. Bhattacharya, P. A. Parilla, R. D. Blaugher, Z. F. Ren, W. Li, J. H. Wang, Y. T. Wang, A. M. Hermann, M. Paranthaman, A. Goyal, D. T. Verebelyi, D. K. Christen, "Superconducting (TlBi)_0.9Sr_1.6Ba_0.4Ca₂Cu₃Ag_0.2O_x films from electrodeposited precursors", IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 9,1681-1683 (1999).

65. B. W. Kang, J. Z. Wu, W. N. Kang, Q. Y. Chen, W. K. Chu, Z. F. Ren, J. H. Wang, "Effect of Anion Doping on Hall Sign Anomaly in the Mixed-State of Tl₂Ba₂CuO_6+d Thin Films", Philosophical Magazine Letters 79, 41-48 (1999).

64. D. C. Smith, P. Gay, C. J. Stevens, D. Z. Wang, J. H. Wang, Z. F. Ren, and J. F. Ryan, "Ultrafast Optical Response of Tl₂Ba₂CuO_6+d", Journal of Low Temperature Physics 117, 1059 -1063 (1999).

63. A. A. Tsvetkov, D. Dulic, D. van der Marel, A. Damascelli, G. A. Kaljushnaia, J. I. Gorina, N. N. Senturina, N. N. Kolesnikov, Z. F. Ren, J. H. Wang, A. A. Menovsky, and T. T. M. Palstra, "Systematics of c-axis phonons in the thallium- and bismuth-based cuprate superconductors", Phys. Rev. B 60, 13196-13205 (1999).

62. H. Paranthaman, D. F. Lee, R. Feenstra, A. Goyal, D. T. Verebelyi, D. K. Christen, E. D. Specht, F. A. List, P. M. Martin, D. M. Kroeger, Z. F. Ren, W. Li, D. Z. Wang, J. Y. Lao, J. H. Wang, "Optimization of buffer lagers on rolled-Ni substrates for high current YBCO and Tl,Bi-1223 coated conductors using ex-situ precursor approaches", IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 9, 2268-2271 (1999).

61. D. Dulic, D. van der Marel, A. A. Tsvetkov, W. N. Hardy, Z. F. Ren, J. H. Wang, and B. A. Willemsen, "c-axis penetration depth and interlayer conductivity in the thallium-based cuprate superconductors". Phys. Rev. B 60, R15051-R15054 (1999).

60. P. Gay, D. C. Smith, C. J. Stevens, C. Chen, G. Yang, S. J. Abell, D. Z. Wang, J. H. Wang, Z. F. Ren, and J. F. Ryan, "Femtosecond Dynamics of BSCCO-2212," Journal of Low Temperature Physics 117, 1025 -1029 (1999).

59. R. P. Vasquez, M. P. Siegal, D. L. Overmyer, Z. F. Ren, J. Y. Lao, and J. H. Wang, "Tl Cuprate Superconductors Studied by XPS", Surface Science Spectra 6, 237-253 (1999).

58. M. DeMarco, D. Graf, J. Rijssenbeek, R. J. Cava, D. Z. Wang, Y. Tu, Z. F. Ren, J. H. Wang, M. Haka, S. Toorongian, M. Leone, and M. J. Naughton, "Transitions in Sr₂Ru_xIr_1-xO₄ studied by the 99Ru Mossbauer Effect", Phy. Rev. B 60, 7570 -7574 (1999).

57. W. Li, D. Z. Wang, J. Y. Lao, Z. F. Ren, J. H. Wang, M. Paranthaman, D. T. Verebelyi, and D. K. Christen, "Epitaxial Superconducting Tl_0.5Pb_0.5Sr_1.6Ba_0.4Ca₂Cu₃O₉ Films on LaAlO₃ by Thermal Spray and Post-Spray Annealing", Superconductor Science and Technology 12 (5), L1 - L4 (1999).

56. Z. F. Ren, Z. P. Huang, J. W. Xu, D. Z. Wang, J. G. Wen, J. H. Wang, L. Calvet, J. Chen, J. F. Klemic, and M. A. Reed, "Growth of a Single Freestanding Multiwall Carbon Nanotube on Each Nanonickel Dot", Appl. Phys. Lett. 75, 1086 - 1088 (1999).

55. R. P. Vasquez, M. P. Siegal, Z. F. Ren, J. Y. Lao, and J. H. Wang, "Chemical Bonding in Tl Cuprates Studied by X-ray Photoemission", Phys. Rev. B 60, 4309 - 4319(1999).

54. Z. F. Ren, W. Li, D. Z. Wang, J. Y. Lao, J. H. Wang, M. Paranthaman, D. T. Verebelyi, and D. K. Christen, "In-Plane Aligned Superconducting Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O₉ Films on Rolling Assisted Biaxially Textured Substrates (RABiTS)", Physica C 313, 241- 245 (1999).

1998

53. R. P. Vasquez, Z. F. Ren, and J. H. Wang, "Tl₂Ba₂CuO_6+d by XPS", Surface Science Spectra 5, 304 - 312 (1998).

52. Z. F. Ren, Z. P. Huang, J. W. Xu, J. H. Wang, P. Bush, M. P. Siegal, and P. N. Provencio, "Synthesis of Large Arrays of Well-Aligned Carbon Nanotubes on Glass", Science 282, 1105 - 1107 (1998)

51. Z. P. Huang, J.W. Xu, Z. F. Ren, J. H. Wang, M. P. Siegal, and P. N. Provencio, "Growth of highly oriented carbon nanotubes by plasma-enhanced hot filament chemical vapor deposition", Appl. Phys. Lett 73, 3845-3847 (1998).

50. R. Surdeanu, R. J. Wijngaarden, B. Dam, J. Rector, R. Griessen, C. Rossel, Z. F. Ren, and J. H. Wang, "Crossover between fractal and nonfractal flux penetration in high-temperature superconducting thin films", Phys. Rev. B 58, 12467 -12477 (1998).

49. Z. F. Ren, W. Li, D. Z. Wang, J.Y. Lao, J. H. Wang, M. Paranthaman, D. T. Verebelyi, and D. K. Christen, "Growth and Characterization of Superconducting Films Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O₉ on CeO₂-Buffered Single Crystal YSZ", Physica C 306, 149 - 153 (1998).

48. R. N. Bhattacharya, R. D. Blaugher, Z. F. Ren, W. Li, J. H. Wang, M. Paranthaman, D. T. Verebelyi, and D. K. Christen, "Superconducting Epitaxial (TlBi)_0.9Sr_1.6Ba_0.4Ca₂Cu₃Ag_0.2O_x Film from an Electrodeposited Precursor", Electrochemical and Solid-State Letters 1, 165 - 167 (1998).

47. A. A. Tsvetkov, D. van der Marel, K. A. Moler, and J. R. Kirtley, J. L. de Boer, A. Meetsma, Z. F. Ren, N. Koleshnikov, D. Dulic, A. Damascelli, M. Gruninger, J. Schutzmann, J. W. van der Eb, and J. H. Wang, "Global and Local Measures of the Intrinsic Josephson Coupling in Tl₂Ba₂CuO_6+d as a Test of the Interlayer Tunneling Model", Nature 395, 360 - 362 (1998).

46. R. N. Bhattacharya, R. D. Blaugher, Z. F. Ren, W. Li, J. H. Wang, M. Paranthaman, D. T. Verebelyi, and D. K. Christen, "Superconducting Thallium Oxide Films by the Electrodeposition Method", Physica C 304, 55 - 65 (1998).

45. M. Willemin, C. Rossel, J. Hofer, H. Keller, Z. F. Ren, and J. H. Wang, "Pairing symmetry from in-plane torque anisotropy in Tl₂Ba₂CuO_6+d thin films", Phys. Rev. B 57, 6137 - 6144 (1998).

44. Z. F. Ren, J. Y. Lao, L. P. Guo, J. H. Wang, J. D. Budai, D. K. Christen, A. Goyal, M. Paranthaman, E. D. Specht, and J. R. Thompson, "Epitaxial film growth of Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O_9-d on rolling asissted biaxially textured nickel substrates with YSZ and CeO2 buffer layers", J. of Superconductivity 11, 159 - 162 (1998).

1997

43. R. Surdeanu, R. J. Wijngaarden, R. Griessen, C. Rossel, Z. F. Ren, and J. H. Wang, "Crossover from fractal to non-fractal flux penetration in vicinal Tl₂Ba₂CuO_6+d thin films", Physica C 282-287, 2219 - 2220 (1997).

42. C. Rossel, M. Willemin, J. Hofer, H. Keller, Z. F. Ren, and J. H. Wang, "Pairing symmetry in single-layer tetragonal Tl₂Ba₂CuO_6+d from in-plane torque anisotropy", Physica C 282-287, 136 - 139 (1997).

41. A. Hoffman, I. K Schuller, Z. F. Ren, J. Y. Lao, and J. H. Wang, "Persistent photoconducivity in overdoped high Tc thin films", Phys. Rev. B 56, 13742 - 13745 (1997).

40. Z. F. Ren, J. H. Wang, and D. J. Miller, "Continuous control of the superconducting transition temperature from overdoped to underdoped regimes in tetragonal Tl₂Ba₂CuO_6+d Thin Films", Appl. Phys. Lett. 71, 1706 - 1708 (1997).

39. J. R. Thompson, L. Krusin-Elbaum, D. K. Christen, K. J. Song, M. Paranthaman, J. L. Ullman, J. Z. Wu, Z. F. Ren, J. H. Wang, J. E. Tkaczk, and J. A. DeLuca, "Current-density enhancements of the highest-Tc superconductors with GeV protons", Appl. Phys. Lett. 71, 536 - 538 (1997).

38. J. Schutzmann, H. S. Somal, A. A. Tsvetkov, D. van der Marel, G. Koops, N. Koleshnokov, Z. F. Ren, J. H. Wang, E. Bruck, and A.A. Menovski, "Experimental test of the interlayer pairing models for high-Tc superconductivity using grazing-incidence infrared reflectometry", Phys. Rev. B 55, 11118 - 11121 (1997).

37. C. C. Tsuei, J. R. Kirtley, Z. F. Ren, J. H. Wang, H. Raffy, and Z. Z. Li, "Pure d_x²_-y² order-parameter symmetry in the tetragonal superconductor Tl₂Ba₂CuO_6+d", Nature 387, 481-483 (1997).

36. L. P. Guo, Z. F. Ren, J. Y. Lao, J. H. Wang, D. K. Christen, C. E. Klabunde, and J. D. Budai, "Epitaxial Superconducting Thin Films Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O_9-d on (001) YSZ Synthesized by Laser Ablation and Post-Annealing in Pure Argon", Physica C 277, 13 - 18 (1997).

1996

35. C. C. Tsuei, J. R. Kirtley, A. Gupta, J. Z. Sun, K. A. Moler, Z. F. Ren, and J. H. Wang, "Half-Integer Flux Quantum Effect in Cuprates Superconductors - A Probe of Pairing Symmetry", Physica Scripta T66, 212 - 214 (1996).

34. J. R. Kirtley, C. C. Tsuei, K. A. Moler, J. Z. Sun, A. Gupta, Z. F. Ren, J. H. Wang, Z. Z. Li, H. Raffy, J. Manhart, H. Hilgenkamp, B. Mayer, and C. Gerber, "Scanning SQUID Microscope Tests of the Symmetry of the High-Tc Gap", Czechoslovak Journal of Physics 46, 3169 - 3176 (1996).

33. Z. F. Ren, J. H. Wang, and D. J. Miller, "The Structural Symmetry of Epitaxial Tl₂Ba₂CuO_6+d Thin Films", Appl. Phys. Lett. 69, 1798 - 1800 (1996).

32. R. P. Vasquez, Z. F. Ren, and J. H. Wang, "Electronic structure of Tl₂Ba₂CuO_6+d epitaxial films measured by X-ray photoemission", Phy. Rev. B 54, 6115 - 6118 (1996).

31. J. R. Kirtley, C. C. Tsuei, J. Z. Sun, A. Gupta, K. A. Moler, C. A. Wang, Z. F. Ren, and J. H. Wang, "Tricrystal determination of the symmetry of cuprate superconductors", Turkish J. of Physics 20,     576 - 593 (1996).

30. C. A. Wang, Z. F. Ren, J. H. Wang, D. K. Petrov, M. J. Naughton, W. Y. Yu, and A. Petrou, "Superconducting Epitaxial Tl₂Ba₂CuO_6+d Thin Films on SrTiO₃ with Tetragonal Lattice and Continuously Adjustable Critical Temperature", Physica C 262, 98 - 102 (1996).

29. M. Chaparala, O. H. Chung, Z. F. Ren, M. White, P. Coppens, J. H. Wang, A. P. Hope and M. J. Naughton, "Vortex-state resistance near parallel orientation in layered superconductors", Phys. Rev. B 53, 5818 - 5825 (1996).

28. Z. F. Ren, C. A. Wang, J. H. Wang, D. J. Miller, D. K. Christen, J. D. Hettinger, and K. E. Gray, "Composition and Phase Development of Epitaxial Superconducting Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Thin Films by Laser Ablation and Post Annealing", Physica C 258, 129 - 136 (1996).

27. C. C. Tsuei, J. R. Kirtley, M. Rupp. J. Z. Sun, A. Gupta, M. B. Ketchen, C. A. Wang, Z. F. Ren, J. H. Wang, and M. Bhushan, "Pairing Symmetry in Single-layer Tetragonal Tl₂Ba₂CuO_6+d Superconductors", Science 271, 329 - 332 (1996).

1995

26. I. S. Ghosh, L. F. Cohen, J. V. Thomas, J. L. MacManusDriscoll, R. Somekh, M. Lenkens, S. Hensen, G. Muller, D. Jedamzik, Z. F. Ren, C. A. Wang, J. H. Wang, J. C. Gallop, A. D. Caplin, "Correlations between rf- and dc-magnetic field induced microwave losses and the de-screening current density" J in HTS thin films, APPLIED SUPERCONDUCTIVITY 1 & 2, 1083-1086 (1995).

25. C. A. Wang, Z. F. Ren, and J. H. Wang, "Synthesis of Epitaxial (TlBi)Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Thin Films at Low Temperature in Pure Argon", Appl. Supercond. 3, 153 - 156 (1995).

24. Z. F. Ren, C. A. Wang, J. H. Wang, D. J. Miller, and K. C. Goretta, "Improvement of Transport Critical Current Density in In-Situ Synthesized Silver-Sheathed Superconducting Tapes of Tl_0.78Bi_0.22Sr_1.6Ba_0.4Ca₂Cu₃O_9-d by Intermediate Annealing and Pressing", Physica C 247, 163 - 168 (1995).

23. W. Y. Yu, A. Petrou, C. A. Wang, Z. F. Ren, and J. H. Wang, "Raman Study of Phonons in Superconducting Epitaxial (TlBi)Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Films", Appl. Supercond. 3, 147 - 157 (1995).

22. C. A. Wang, Z. F. Ren, J. H. Wang, and D. J. Miller, "Superconductivity and Microstructure of Epitaxial (TlBi)Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Films", Physica C 245, 171 - 180 (1995).

21. Z. F. Ren, C. A. Wang, J. H. Wang, and D. J. Miller, "Superconductivity and Microstructural Characterization of Epitaxial (TlBi)Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Thin Films", Appl. Supercond. 3, 133 - 138 (1995).

20. Y. F. Li, Z. Z. Sheng, Z. F. Ren, J. H. Wang, and K. C. Goretta, "Fabrication of Ag-Clad (Tl,V)(Sr,Ba)₂Ca₂Cu₃O_y Superconducting Tapes", Supercond. Sci. Technol. 8, 174 - 176 (1995).

1994

19. D. K. Petrov, Z. F. Ren, C. A. Wang, J. H. Wang, and M. J. Naughton, "Break Junction Tunneling in High Temperature Superconductors", Appl. Supercond. 2, 729 - 734 (1994).

18. D. J. Miller, J. G. Hu, Z. F. Ren, and J. H. Wang, "Microstructural Development and Critical Currents in Long-Length (Tl,Bi)-(Sr,Ba)-Ca-Cu-O Wires", J. Electronic Mater. 23, 1151 - 1158 (1994).

17. R. N. Bhattacharya, A. Duda, D. S. Ginley, J. A. DeLuca, Z. F. Ren, C. A. Wang, and J. H. Wang, "Superconducting Thallium Oxide Films via an Electro-Deposited Precursor", Physica C 229, 145 - 151 (1994).

16. Z. F. Ren, C. A. Wang, and J. H. Wang, "Superconducting Epitaxial (TlBi)Sr_1.6Ba_0.4Ca₂Cu₃O_9-d Film with High Critical Current in Magnetic Field", Appl. Phys. Lett. 65, 237 - 239 (1994).

15. Z. F. Ren, J. H. Wang, D. J. Miller, and K. C. Goretta, "Relationship between Grain Connectivity, Alignment, and Critical Current Density in High-Temperature Superconducting Bulk Materials", Physica C 229, 137 - 144 (1994).

1993

14. Z. F. Ren and J. H. Wang, "Enhanced Formation of 1223 Phase by Partial Replacement of Bi for Tl in In Situ Synthesized Silver-Sheathed Superconducting Tape of Tl_1-xBi_xSr_2-yBa_yCa₂Cu₃O_9-d", Physica C 216, 199 - 204 (1993).

13. Z. F. Ren and J. H. Wang, "Superior Flux-Pinning in In Situ Synthesized Silver-Sheathed Superconducting Tape of Tl_0.5Pb_0.5Ba_0.4Sr_1.6Ca_0.8Y_0.2Cu₃O_y", Appl. Phys. Lett. 62, 3025 - 3027 (1993).

1992

12. Z. F. Ren and J. H. Wang, "Uniform and Flexible 24-Meter Superconducting Tape of Silver-Sheathed Tl_0.5Pb_0.5Ba_0.4Sr_1.6Ca₂Cu₃O_8.2", Appl. Phys. Lett. 61, 1715 - 1717 (1992).

11. M. Qi, Z. F. Ren, Y. Gao, P. Lee, Y. L. Soo, and J. H. Wang, "The Influence of Hydrogen Reduction on Single Crystals of Bi₂Sr₂CaCu₂O_y", Physica C 192, 55 - 59 (1992).

1991

10. Z. F. Ren, M. Qi, and J. H. Wang, "Enhancement of Critical Current Density in Tl-Ba- Ca-Cu-O Type Superconductors by the Addition of SnO₂", Physica C 184, 24 - 28 (1991).

9. Z. F. Ren and J. H. Wang, "Effect of Compressive Reorientation on the Tc and Jc of the Superconducting Composite Ag_xBi_1.7Pb_0.3Sr₂Ca₂Cu₃O₁₀", J. Mater. Sci. Lett. 10, 1139 - 1141 (1991).

8. Z. F. Ren, M. J. Naughton, P. Lee, and J. H. Wang, "Growth of Superconducting Single Crystals of Tl_mBa₂Ca_n-1Cu_nO_y in a Convenient Way", J. Crystal Growth 112, 587 - 590 (1991).

1990

7. Z. F. Ren, Y. F. Chen, Y. D. Jiang, and W. Y. Guan, "Single Crystal Growth and Characterization in Ca-Doped Y-Ba-Cu-O System", J. Mater. Sci. Lett. 9, 738 - 740 (1990).

6. Z. F. Ren, J. G. Wen, Y. D. Jiang, and W. Y. Guan, "Growth and Characterization of 2201 Single Crystals in Bi-based System", J. Crystal Growth 102, 349 - 353 (1990).

1989

5. Z. F. Ren, Xiuli Yan, Y. D. Jiang, and W. Y. Guan, "Effects of Growth Conditions on the Size of Superconducting Crystals in Bi-Sr-Ca-Cu-O System", Chinese Phys. Lett. 6, 333 - 334 (1989).

4. J. G. Wen, Y. Liu, Z. F. Ren, Y. F. Yan, Y. Q. Zhou, and K. K. Fung, "Structure Study of Undoped and Doped Bi₂Sr₂CuO₆ Phase by Transmission Electron Microscopy", Appl. Phys. Lett. 55, 2775 - 2777 (1989).

3. Z. F. Ren, Xiuli Yan, Y. D. Jiang, and W. Y. Guan, "The Best Composition for Growing Large Single Crystals in Bi-Sr-Ca-Cu-O System", Rengong Jingti 18, 97 - 101 (1989).

1988

2. Z. F. Ren, Xiuli Yan, Y. D. Jiang, and W. Y. Guan, "Growth of Superconducting Single Crystals of Composition Bi:Sr:Ca:Cu=2:2:1:2 in the Bi-Sr-Ca-Cu-O System", J. Crystal Growth, 92, 677 - 681 (1988).

1. Z. F. Ren and C. F. Zhang, "Transformation of Crystal Morphology of Eutectic Composite In Situ", Jinshu Xuebao 24, B299 - B301 (1988).