On the out-of-plane magnetotransport in YBa2Cu3Oy

被引:0
作者
Fujita, S
Tamura, Y
Suzuki, A
机构
[1] Sci Univ Tokyo, Fac Sci, Ctr Solid State Phys, Shinjuku Ku, Tokyo 1628601, Japan
[2] Inst Stat Math, Minato Ku, Tokyo 1068569, Japan
[3] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA
[4] Sci Univ Tokyo, Fac Sci, Dept Phys, Shinjuku Ku, Tokyo 1628601, Japan
来源
MODERN PHYSICS LETTERS B | 2000年 / 14卷 / 30期
关键词
D O I
10.1142/S021798490000135X
中图分类号
O59 [应用物理学];
学科分类号
摘要
The out-of-plane resistivity, rho(c), in a single-crystal YBa2CU3Oy follows the experimental law: rho (c) = C(1)rho (ab) + C-2/T, where C-1, C-2 are the constants and rho (ab) is in-plane resistivity in the concentration range 6.6 < y < 6.92 with the highest T-c, 90 K, occurring at y = 6.88 and in the temperature range T-c < T < room temperature. This behavior is microscopically explained under the assumption that the charge carriers are a mixture of "electrons", "holes", and +/- pairons. The second term C2/T arises from the quantum tunneling between copper planes of the - pairons, moving with a linear dispersion relation, and the first term C(1)rho (ab) from the in-plane currents due to the "holes" and + pairons.
引用
收藏
页码:1085 / 1092
页数:8
相关论文
共 10 条
[1]   POSSIBLE HIGH-TC SUPERCONDUCTIVITY IN THE BA-LA-CU-O SYSTEM [J].
BEDNORZ, JG ;
MULLER, KA .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1986, 64 (02) :189-193
[2]   BOUND ELECTRON PAIRS IN A DEGENERATE FERMI GAS [J].
COOPER, LN .
PHYSICAL REVIEW, 1956, 104 (04) :1189-1190
[3]   ELECTRICAL RESISTIVITY OF A METALLIC POWDER [J].
FUJITA, S .
PHYSICA, 1971, 51 (04) :601-&
[4]   Quantum statistics of composites: Ehrenfest-Oppenheimer-Bethe's rule [J].
Fujita, S ;
Morabito, DL .
MODERN PHYSICS LETTERS B, 1998, 12 (19) :753-762
[5]  
FUJITA S, UNPUB MOD PHYS LET B
[6]   Formation of d-wave pairons in cuprates via longitudinal-optical-phonon exchange [J].
Fujita, SJ ;
Morabito, DL .
MODERN PHYSICS LETTERS B, 1998, 12 (25-26) :1061-1067
[7]  
GODOY S, 1991, J ENG SCI, V29, P1201
[8]   COMPOSITIONAL DEPENDENCE OF TRANSPORT ANISOTROPY IN LARGE (LA, SR)2CUO4 SINGLE-CRYSTALS AND 2ND PEAK IN MAGNETIZATION CURVES [J].
KIMURA, T ;
KISHIO, K ;
KOBAYASHI, T ;
NAKAYAMA, Y ;
MOTOHIRA, N ;
KITAZAWA, K ;
YAMAFUJI, K .
PHYSICA C, 1992, 192 (1-2) :247-252
[9]   SUPERCONDUCTIVITY IN A LAYERED PEROVSKITE WITHOUT COPPER [J].
MAENO, Y ;
HASHIMOTO, H ;
YOSHIDA, K ;
NISHIZAKI, S ;
FUJITA, T ;
BEDNORZ, JG ;
LICHTENBERG, F .
NATURE, 1994, 372 (6506) :532-534
[10]   Normal-state transport properties of slightly overdoped YBa2Cu3Oy crystals prepared by a crystal-pulling technique [J].
Terasaki, I ;
Sato, Y ;
Miyamoto, S ;
Tajima, S ;
Tanaka, S .
PHYSICAL REVIEW B, 1995, 52 (22) :16246-16254