ANISOTROPY EFFECTS IN SUPERCONDUCTING NIOBIUM

被引：82

作者：

WEBER, HW

SEIDL, E

LAA, C

SCHACHINGER, E

PROHAMMER, M

JUNOD, A

ECKERT, D

机构：

[1] GRAZ TECH UNIV, INST THEORET PHYS, A-8010 GRAZ, AUSTRIA

[2] UNIV GENEVA, DEPT PHYS MAT CONDENSEE, CH-1211 GENEVA 4, SWITZERLAND

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.44.7585

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents an extensive experimental and theoretical analysis of anisotropy effects in superconducting niobium. It is concluded that anisotropy effects, especially in the magnetic properties, are clearly discernible and that the theoretical analysis results in a mean-square anisotropy of the electron-phonon interaction of 0.0335 +/- 0.0035 and of the Fermi velocity of 0.118 +/- 0.007. These anisotropy parameters are in excellent agreement with previous de Haas - van Alphen experiments.

引用

收藏

页码：7585 / 7600

页数：16

相关论文

共 37 条

[1] PROXIMITY ELECTRON-TUNNELING SPECTROSCOPY .2. EFFECTS OF THE INDUCED N-METAL PAIR POTENTIAL ON CALCULATED S-METAL PROPERTIES [J].

ARNOLD, GB ;

ZASADZINSKI, J ;

OSMUN, JW ;

WOLF, EL .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1980, 40 (3-4) :225-246

[2] THE MIXED STATE HEAT-CAPACITY OF NIOBIUM AT CONSTANT MAGNETIC INDUCTION [J].

BAKER, CGB ;

FORGAN, EM ;

GOUGH, CE .

PHYSICA B & C, 1981, 108 (1-3) :927-928

[3] FREE-ENERGY DIFFERENCE BETWEEN NORMAL + SUPERCONDUCTING STATES [J].

BARDEEN, J ;

STEPHEN, M .

PHYSICAL REVIEW A-GENERAL PHYSICS, 1964, 136 (6A) :1485-&

[4]

BOTLO M, 1984, 17TH P INT C LOW TEM, P1285

[5] UPPER CRITICAL-FIELD OF NB - CALCULATED TEMPERATURE-DEPENDENCE AND ANISOTROPY [J].

BUTLER, WH .

PHYSICAL REVIEW LETTERS, 1980, 44 (23) :1516-1520

[6] PROPERTIES OF BOSON-EXCHANGE SUPERCONDUCTORS [J].

CARBOTTE, JP .

REVIEWS OF MODERN PHYSICS, 1990, 62 (04) :1027-1157

[7] ANISOTROPY OF THE FERMI-SURFACE, FERMI VELOCITY, MANY-BODY ENHANCEMENT, AND SUPERCONDUCTING ENERGY-GAP IN NB [J].

CRABTREE, GW ;

DYE, DH ;

KARIM, DP ;

CAMPBELL, SA ;

KETTERSON, JB .

PHYSICAL REVIEW B, 1987, 35 (04) :1728-1741

[8] THERMODYNAMICS OF STRONG COUPLING SUPERCONDUCTORS INCLUDING THE EFFECT OF ANISOTROPY [J].

DAAMS, JM ;

CARBOTTE, JP .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1981, 43 (3-4) :263-286

[9] BULK (HC2) AND SURFACE (HC3) NUCLEATION FIELDS OF STRONG-COUPLING SUPERCONDUCTING ALLOYS [J].

EILENBERGER, G ;

AMBEGAOKAR, V .

PHYSICAL REVIEW, 1967, 158 (02) :332-+

[10] SUPERCONDUCTING PROPERTIES OF HIGH-PURITY NIOBIUM [J].

FINNEMORE, DK ;

STROMBERG, TF ;

SWENSON, CA .

PHYSICAL REVIEW, 1966, 149 (01) :231-+

← 1 2 3 4 →