Dr. Gupta's Publication List: 1996-2002

Choose a different time period: 2003-present | 1991-1995 | 1979-1990

157. "Magnetotransport and hysteretic behavior in epitaxial La_0.67Ca_0.33MnO_3-d films." Canedy, C. L.; Ibsen, K. B.; Xiao, G.; Sun, J. Z.; Gupta, A.; Gallagher, W. J. J. Appl. Phys. 79, 4546-4548 (1996).

158. "Colossal magnetoresistance in the antiferromagnetic La_0.5Ca_0.5MnO₃ system." Gong, G. Q.; Canedy, C. L.; Xiao, G.; Sun, J. Z.; Gupta, A.; Gallagher, W. J. J. Appl. Phys. 79, 4538-4540 (1996).

159. "Perovskite oxide superlattices: magnetotransport and magnetic properties." Gong, G. Q.; Gupta, A.; Xiao, G.; Lecoeur, P.; McGuire, T. R. Phys. Rev. B: Cond. Matter 54, R3742-R3745 (1996).

160. "Multilayer Distorted-Lattice Copper-Oxide Perovskite Structures," Gupta, A., 5,529,980, June 25, 1996. US Patent.

161. "Grain-boundary effects on the magnetoresistance properties of perovskite manganite films." Gupta, A.; Gong, G. Q.; Xiao, G.; Duncombe, P. R.; Lecooeur, P.; Trouilloud, P.; Wang, Y. Y.; Dravid, V. P.; Sun, J. Z. Phys. Rev. B: Cond. Matter 54, R15629-R15632 (1996).

162. "Epitaxial Growth of Thin Films of SrTi_1-xRu_xO_3-d by Pulsed Laser Deposition." Gupta, A.; Hussey, B. W.; Shaw, T. M. Mater. Res. Bull. 31, 1463 (1996).

163. "Half-Integral Quantum Effect in Bi₂Sr₂CaCu₂O₈." Kirtley, J. R.; Tsuei, C. C.; Raffy, H.; Li, Z. Z.; Gupta, A.; Sun, J. Z.; Megtert, S. Europhys. Lett. 36, 707 (1996).

164. "Direct Imaging of Integer and Half-Integer Josephson Vortices in High T_c Grain Boundaries." Kirtley, J. R.; Tsuei, C. C.; Rupp, M.; Sun, J. Z.; Yu-Jahnes, L. S.; Gupta, A.; Ketchen, M.; Moler, K. A.; Bhushan, M. Phys. Rev. Lett. 76, 1336 (1996).

165. "Large magnetotunneling effect at low magnetic fields in micrometer-scale epitaxial La_0.6Sr_0.33MnO₃ tunnel junctions." Lu, Y.; Li, X. W.; Gong, G. Q.; Xiao, G.; Gupta, A.; Lecoeur, P.; Sun, J. Z.; Wang, Y. Y.; Dravid, V. P. Phys. Rev. B: Cond. Matter 54, R8357-R8360 (1996).

166. "Magnetoresistance and magnetic properties of La_1-xMnO_3-d thin films." McGuire, T. R.; Gupta, A.; Duncombe, P. R.; Rupp, M.; Sun, J. Z.; Laibowitz, R. B.; Gallagher, W. J.; Xiao, G. J. Appl. Phys. 79, 4549-4551 (1996).

167. "Observation of large low-field magnetoresistance in trilayer perpendicular transport devices made using doped manganate perovskites." Sun, J. Z.; Gallagher, W. J.; Duncombe, P. R.; Krusin-Elbaum, L.; Altman, R. A.; Gupta, A.; Lu, Y.; Gong, G. Q.; Xiao, G. Appl. Phys. Lett. 69, 3266-3268 (1996).

168. "Does magnetization in thin-film manganates suggest the existence of magnetic clusters?" Sun, J. Z.; Krusin-Elbaum, L.; Gupta, A.; Xiao, G.; Parkin, S. S. P. Appl. Phys. Lett. 69, 1002-1004 (1996).

169. "Pairing Symmetry in Single-Layer Tetragonal Tl₂Ba₂CuO_6+d Superconductors." Tsuei, C. C.; Kirtley, J. R.; Rupp, M.; Sun, J. Z.; Gupta, A.; Ketchen, M.; Wang, C. A.; Ren, Z. F.; Wang, J. H. Science 271, 329 (1996).

170. "Magnetic-field-induced multiple electronic states in La_0.5Ca_0.5MnO_3+d." Xiao, G.; McNiff, E. J., Jr.; Gong, G. Q.; Gupta, A.; Canedy, C. L.; Sun, J. Z. Phys. Rev. B: Cond. Matter 54, 6073-6076 (1996).

171. "Magnetoresistance and magnetic properties of epitaxial magnetite thin films." Gong, G. Q.; Gupta, A.; Xiao, G.; Qian, W.; Dravid, V. P. Phys. Rev. B: Cond. Matter 56, 5096-5099 (1997).

172. "Thin film synthesis of metastable and artificially structured oxides." Gupta, A. Curr. Opinion Solid State Mater. Sci. 2, 23-31 (1997).

173. "Method for Making Multilayer Distorted-Lattice Copper-Oxide Perovskite Structures," Gupta, A., 5,612,292, March 18, 1997. US Patent.

174. "Magnetic Domain Structures of La_1-xSr_xMnO₃ Thin Films with Different Morphologies." Lecoeur, P.; Trouilloud, P.; Xiao, G.; Gupta, A.; Gong, G. Q.; Li, X. W. J. Appl. Phys. 82, 3934 (1997).

175. "Low-field magnetoresistive properties of polycrystalline and epitaxial perovskite manganite films." Li, X. W.; Gupta, A.; Xiao, G.; Gong, G. Q. Appl. Phys. Lett. 71, 1124-1126 (1997).

176. "Epitaxial La_0.67Sr_0.33MnO₃ magnetic tunnel junctions." Li, X. W.; Lu, Y.; Gong, G. Q.; Xiao, G.; Gupta, A.; Lecoeur, P.; Sun, J. Z.; Wang, Y. Y.; Dravid, V. P. J. Appl. Phys. 81, 5509-5511 (1997).

177. "Temperature dependent, non-ohmic magnetoresistance in doped perovskite manganate trilayer junctions." Sun, J. Z.; Krusin-Elbaum, L.; Duncombe, P. R.; Gupta, A.; Laibowitz, R. B. Appl. Phys. Lett. 70, 1769-1771 (1997).

178. "Magnetotransport in doped manganate perovskites." Sun, J. Z.; Krusin-Elbaum, L.; Gupta, A.; Xiao, G.; Duncombe, P. R.; Gallagher, W. J.; Parkin, S. S. P. J. Appl. Phys. 81, 5343 (1997).

179. "Magnetic field induced properties of manganite perovskites with colossal magnetoresistance." Xiao, G.; Gong, G. Q.; Canedy, C. L.; McNiff, E. J., Jr.; Gupta, A. J. Appl. Phys. 81, 5324-5329 (1997).

180. "Low-Field Magnetoresistance Induced by Grain Boundaries in Doped Manganese Perovskites," Gupta, A. In Giant Magnetoresistance and Related Properties of Metal Oxides; Rao, C. N. R. and Raveau, B., Ed.; World Scientific, (1998), pp 189-205.

181. "Magnetic Sensors and Devices Based on Perovskite manganese Oxide Materials," Gupta, A.; Sun, J. Z.; Trouilloud, P.; Xiao, G.; Lecoeur, P., 5,792,569, August 11, 1998. US Patent.

182. "Transport and magnetic properties of epitaxial and polycrystalline magnetite thin films." Li, X. W.; Gupta, A.; Xiao, G.; Gong, G. Q. J. Appl. Phys. 83, 7049-7051 (1998).

183. "Fabrication and Properties of Heteroepitaxial Magnetite (Fe₃O₄) Tunnel Junctions." Li, X. W.; Gupta, A.; Xiao, G.; Qian, W.; Dravid, V. P. Appl. Phys. Lett. 73, 3282 (1998).

184. "Contrasting Magnetic and Structural Properties of Two La Manganites with the same Doping Level." McGuire, T. R.; Duncombe, P. R.; Gong, G. Q.; Gupta, A.; Li, X. W.; Pickart, S. J.; Crow, M. L. J. Appl. Phys. 83, 7076 (1998).

185. "Mott transition field effect transistor." Newns, D. M.; Misewich, J. A.; Tsuei, C. C.; Gupta, A.; Scott, B. A.; Schrott, A. Appl. Phys. Lett. 73, 780-782 (1998).

186. "Scanning magnetoresistance microscopy of La_0.67Sr_0.33MnO₃ films." Petrov, D. K.; Gupta, A.; Kirtley, J. R.; Krusin-Elbaum, L.; Gill, H. S. J. Appl. Phys. 83, 7061-7063 (1998).

187. "Spin-dependent transport and low-field magnetoresistance in doped manganites." Sun, J. Z.; Gupta, A. Ann. Rev. Mater. Sci. 28, 45-78 (1998).

188. "Tunneling evidence of half-metallicity in epitaxial films of ferromagnetic perovskite manganites and ferrimagnetic magnetite." Wei, J. Y. T.; Yeh, N. C.; Vasquez, R. P.; Gupta, A. J. Appl. Phys. 83, 7366-7368 (1998).

189. "Sub-200 Oe giant magnetoresistance in manganite tunnel junctions." Xiao, G.; Gupta, A.; Li, X. W.; Gong, G. Q.; Sun, J. Z. Mater. Res. Soc. Symp. Proc. 494, 221-230 (1998).

190. "Column III metal nitride films as phase change media for optical recording," Bojarczuk, N. A., Jr.; Guha, S.; Gupta, A.; Tang, W. W.-C., Eur. Pat. Appl. EP 892398, 1999.

191. "Selective-area and lateral overgrowth of chromium dioxide (CrO₂) films by chemical vapor deposition." Gupta, A.; Li, X. W.; Guha, S.; Xiao, G. Appl. Phys. Lett. 75, 2996-2998 (1999).

192. "Spin-polarized transport and magnetoresistance in magnetic oxides." Gupta, A.; Sun, J. Z. J. Magn. Magn. Mater. 200, 24-43 (1999).

193. "Magnetoresistance and Hall effect of chromium dioxide epitaxial thin films." Li, X. W.; Gupta, A.; McGuire, T. R.; Duncombe, P. R.; Xiao, G. J. Appl. Phys. 85, 5585-5587 (1999).

194. "Influence of strain on the magnetic properties of epitaxial (100) chromium dioxide (CrO₂) films." Li, X. W.; Gupta, A.; Xiao, G. Appl. Phys. Lett. 75, 713-715 (1999).

195. "Mott-transition field-effect transistor: experimental results." Schrott, A. G.; Misewich, J. A.; Scott, B. A.; Gupta, A.; Newns, D. M.; Abraham, D. Mater. Res. Soc. Symp. Proc. 574, 243-248 (1999).

196. "Fabrication of high-density magnetic recording medium utilizing selective growth of ferromagnetic material," Guha, S.; Gupta, A., US Patent 6,146,755, 2000.

197. "Transplanted Si films on arbitrary substrates using GaN underlayers." Guha, S.; Gupta, A.; Bojarczuk, N. A.; Karasinski, J. Appl. Phys. Lett. 76, 1264-1266 (2000).

198. "Non-Volatile Memory Cell and Devices," Gupta, A.; Joshi, R. V., US Patent 6,034,887, March 7, 2000.

199. "Magnetic and transport properties of epitaxial and polycrystalline chromium dioxide thin films (invited)." Gupta, A.; Li, X. W.; Xiao, G. J. Appl. Phys. 87, 6073-6078 (2000).

200. "Nanoscale Mott-Transition Field Effect Transistor," Gupta, A.; Newns, D. M.; Tsuei, C. C.; Zhou, C.; Scott, B. A.; Misewich, J. A., Japanese Patent 3030385, February 4, 2000.

201. "Micro goniometer for scanning microscopy," Gupta, A.; Saraf, R., US Patent 6,100,523, 2000.

202. "Ultra high density storage media and method thereof," Gupta, A.; Saraf, R., US Patent 6,017,618, 2000.

203. "The Mott transition field effect transistor: A nanodevice?" Newns, D. M.; Doderer, T.; Tsuei, C. C.; Donath, W. M.; Misewich, J. A.; Gupta, A.; Grossman, B. M.; Schrott, A.; Scott, B. A.; Pattnaik, P. C.; Von Gutfeld, R. J.; Sun, J. Z. J. Electroceram. 4, 339-344 (2000).

204. "Neel "orange-peel" coupling in magnetic tunneling junction devices." Schrag, B. D.; Anguelouch, A.; Ingvarsson, S.; Xiao, G.; Lu, Y.; Trouilloud, P. L.; Gupta, A.; Wanner, R. A.; Gallagher, W. J.; Rice, P. M.; Parkin, S. S. P. Appl. Phys. Lett. 77, 2373-2375 (2000).

205. "Probing magnetic anisotropy effects in epitaxial CrO₂ thin films." Spinu, L.; Srikanth, H.; Gupta, A.; Li, X. W.; Xiao, G. Phys. Rev. B.: Cond. Matter Mater. Phys. 62, 8931-8934 (2000).

206. "Orbital character of O-2p unoccupied states near the Fermi level in CrO₂." Stagarescu, C. B.; Su, X.; Eastman, D. E.; Altmann, K. N.; Himpsel, F. J.; Gupta, A. Phys. Rev. B.: Cond. Matter Mater. Phys. 61, R9233-R9236 (2000).

207. "Uniaxial anisotropy and switching behavior in epitaxial CrO₂ films." Yang, F. Y.; Chien, C. L.; Ferrari, E. F.; Li, X. W.; Xiao, G.; Gupta, A. Appl. Phys. Lett. 77, 286-288 (2000).

208. "Thickness dependence of magnetic and transport properties of chromium dioxide (CrO₂) strained epitaxial thin films." Anguelouch, A.; Gupta, A.; Xiao, G. IEEE Trans. Magnet. 37, 2135-2137 (2001).

209. "Near-complete spin polarization in atomically-smooth chromium-dioxide epitaxial films prepared using a CVD liquid precursor." Anguelouch, A.; Gupta, A.; Xiao, G.; Abraham, D. W.; Ji, Y.; Ingvarsson, S.; Chien, C. L. Phys. Rev. B.: Cond. Matter Mater. Phys. 64, 180408/1-180408/3 (2001).

210. "Selective growth of ferromagnetic films for magnetic memory, storage-based devices," Bojarczuk, N. A., Jr.; Duncombe, P. R.; Guha, S.; Gupta, A.; Karasinski, J. M.; Li, X., US Patent 6,299,991, 2001.

211. "Metal embedded passivation layer structure to fabricated fuses and antifuses for microelectronic interconnect formation, customization and repair," Bojarczuk, N. A., Jr.; Guha, S.; Gupta, A.; Purushothaman, S., US Patent 6,255,671, 2001.

212. "Selective Growth of Ferromagnetic Films," Gupta, A.; Bojarczuk, N. A.; Duncombe, P. R.; Guha, S.; Karasinski, J. M.; Li, X. W., US Patent 6,333,067, December 25, 2001.

213. "Inverse magnetoresistance in chromium dioxide-based magnetic tunnel junctions." Gupta, A.; Li, X. W.; Xiao, G. Appl. Phys. Lett. 78, 1894-1896 (2001).

214. "Determination of the Spin Polarization of Half-Metallic CrO₂ by Point Contact Andreev Reflection." Ji, Y.; Strijkers, G. J.; Yang, F. Y.; Chien, C. L.; Byers, J. M.; Anguelouch, A.; Xiao, G.; Gupta, A. Phys. Rev. Lett. 86, 5585-5588 (2001).

215. "Ferromagnetic resonance observation of exchange and relaxation effects in CrO₂." Lubitz, P.; Rubinstein, M.; Osofsky, M. S.; Nadgorny, B. E.; Soulen, R. J.; Bussmann, K. M.; Gupta, A. J. Appl. Phys. 89, 6695-6697 (2001).

216. "Switching behavior and its strain dependence in epitaxial CrO₂ thin films." Spinu, L.; Srikanth, H.; O'Connor, C. J.; Gupta, A.; Li, X. W.; Xiao, G. IEEE Trans. Magnet. 37, 2596-2598 (2001).

217. "Critical behavior of epitaxial half-metallic ferromagnetic CrO₂ films." Yang, F. Y.; Chien, C. L.; Li, X. W.; Xiao, G.; Gupta, A. Phys. Rev. B.: Cond. Matter Mater. Phys. 63, 092403/1-092403/4 (2001).

218. "Properties of epitaxial chromium dioxide films grown by chemical vapor deposition using a liquid precursor." Anguelouch, A.; Gupta, A.; Xiao, G.; Miao, G. X.; Abraham, D. W.; Ingvarsson, S.; Ji, Y.; Chien, C. L. J. Appl. Phys. 91, 7140-7142 (2002).

219. "Coherent Magnetization Rotation and Phase Control by Ultrashort Optical Pulses in CrO₂ Thin Films." Zhang, Q.; Nurmikko, A. V.; Anguelouch, A.; Xiao, G.; Gupta, A. Phys. Rev. Lett. 89, 177402/1-177402/4 (2002).

This site is maintained by the web site committee of the Chemistry Department at The University of Alabama. Send comments to the .

College of Arts and Sciences | The University of Alabama | Disclaimer