DIELECTRIC FUNCTION OF YNI2B2C BETWEEN 10 MEV AND 50 EV

被引：20

作者：

WIDDER, K ^{[1
]}

BERNER, D ^{[1
]}

ZIBOLD, A ^{[1
]}

GESERICH, HP ^{[1
]}

KNUPFER, M ^{[1
]}

KIELWEIN, M ^{[1
]}

BUCHGEISTER, M ^{[1
]}

FINK, J ^{[1
]}

机构：

[1] IFW DRESDEN EV,INST FESTKORPERFORSCH,D-01171 DRESDEN,GERMANY

来源：

EUROPHYSICS LETTERS | 1995年 / 30卷 / 01期

关键词：

D O I：

10.1209/0295-5075/30/1/010

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed reflectance and EELS measurements on the quaternary superconductor YNi2B2C. Linking together the results of these two types of experiments we derived the dielectric function in the energy range between 10 meV and 50 eV. The data were analysed by using a generalized Drude-Lorentz model, where retardation effects resulting from the electron-phonon interaction were taken into account to describe the free-carrier response. For the d.c. coupling constant a value of lambda(tr) approximately 1.2 was obtained.

引用

页码：55 / 60

页数：6

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