PHONON CHARACTERIZATION OF BI2(SR1-XCAX)2CUO6+DELTA BY INFRARED AND RAMAN-SPECTROSCOPY

被引：75

作者：

POPOVIC, ZV ^{[1
]}

THOMSEN, C ^{[1
]}

CARDONA, M ^{[1
]}

LIU, R ^{[1
]}

STANISIC, G ^{[1
]}

KREMER, R ^{[1
]}

KONIG, W ^{[1
]}

机构：

[1] INST PHYS,YU-11000 BELGRADE,YUGOSLAVIA

来源：

SOLID STATE COMMUNICATIONS | 1988年 / 66卷 / 09期

关键词：

BISMUTH COMPOUNDS - OXIDES - PHONONS - SPECTROSCOPY; INFRARED; -; SPECTROSCOPY; RAMAN;

D O I：

10.1016/0038-1098(88)90547-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report the preparation, X-Ray diffraction, electrical, and magnetic measurements as well as infrared and Raman spectra of nearly single phase Bi-Ca-Sr-Cu-O (BCSCO-1) samples. The phase has an orthorhombic crystal structure with unit cell parameters a equals 5. 388 A, b equals 5. 381 A, c equals 24. 408 A, and T//c larger than 50 K. Eight ir- and five Raman modes were observed. The temperature dependence of phonon features exhibits an anomalous behavior for the ir-active phonon at approx. 490 cm** minus **1. The mode assignment is given on the basis of the vibrational properties of the initial oxides and of CuO//5 pyramides in YBa//2Cu//3O//6.

引用

页码：965 / 969

页数：5

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