ANHARMONIC PHONONS AND SUPERCONDUCTIVITY IN PD H(D)

被引：8

作者：

CRESPI, VH ^{[1
]}

COHEN, ML ^{[1
]}

机构：

[1] LAWRENCE BERKELEY LAB,DIV MAT SCI,BERKELEY,CA 94720

来源：

SOLID STATE COMMUNICATIONS | 1992年 / 83卷 / 06期

关键词：

D O I：

10.1016/0038-1098(92)90082-K

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The inverse isotope effect in PdH(D) is analyzed with a simple model of anharmonic phonons. The model is based on a fit to an ab initio frozen phonon calculation which provides an interionic potential that can reproduce the experimental values for T(c).

引用

页码：427 / 429

页数：3

共 14 条

[1] ANHARMONIC PHONONS AND THE ISOTOPE EFFECT IN SUPERCONDUCTIVITY [J].

CRESPI, VH ;

COHEN, ML ;

PENN, DR .

PHYSICAL REVIEW B, 1991, 43 (16) :12921-12924

[2] ANHARMONIC PHONONS AND THE ANOMALOUS ISOTOPE EFFECT IN LA2-XSRXCUO4 [J].

CRESPI, VH ;

COHEN, ML .

PHYSICAL REVIEW B, 1991, 44 (09) :4712-4715

[3]

CRESPI VH, UNPUB PHYSICAL REV B

[4] MCMILLANS EQUATION AND TC OF SUPERCONDUCTORS [J].

DYNES, RC .

SOLID STATE COMMUNICATIONS, 1972, 10 (07) :615-&

[5] ABINITIO PSEUDOPOTENTIAL CALCULATIONS OF TOTAL ENERGIES AND FORCES FOR HYDROGEN IN PALLADIUM [J].

ELSASSER, C ;

FAHNLE, M ;

HO, KM ;

CHAN, CT .

PHYSICA B-CONDENSED MATTER, 1991, 172 (1-2) :217-224

[6]

GINODMAN VB, 1980, SOV J LOW TEMP PHYS, V6, P278

[7]

GRIESSEN R, 1982, HELV PHYS ACTA, V55, P699

[8] ISOTOPE EFFECTS AND PRESSURE-DEPENDENCE OF THE TC OF SUPERCONDUCTING STOICHIOMETRIC PDH AND PDD SYNTHESIZED AND MEASURED IN A DIAMOND ANVIL CELL [J].

HEMMES, H ;

DRIESSEN, A ;

GRIESSEN, R ;

GUPTA, M .

PHYSICAL REVIEW B, 1989, 39 (07) :4110-4118

[9]

KLSASSER C, 1991, PHYSICAL REV B, V44, P10377

[10] TRANSITION TEMPERATURE OF STRONG-COUPLED SUPERCONDUCTORS [J].

MCMILLAN, WL .

PHYSICAL REVIEW, 1968, 167 (02) :331-&

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