ELLIPSOMETRIC SPECTRA OF YBA2CU3O7 IN THE 1.7 - 5.3 EV RANGE

被引：25

作者：

HUMLICEK, J ^{[1
]}

GARRIGA, M ^{[1
]}

CARDONA, M ^{[1
]}

GEGENHEIMER, B ^{[1
]}

SCHONHERR, E ^{[1
]}

BERBERICH, P ^{[1
]}

TATE, J ^{[1
]}

机构：

[1] TECH UNIV MUNICH,FAK PHYS,D-8046 GARCHING,FED REP GER

来源：

SOLID STATE COMMUNICATIONS | 1988年 / 66卷 / 10期

关键词：

CERAMIC MATERIALS - Electric Conductivity - CRYSTALS - Physical Properties - YTTRIUM COMPOUNDS - Electric Conductivity;

D O I：

10.1016/0038-1098(88)90324-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The authors report ellipsometric spectra of YBa//2Cu//3O//7 measured on ceramic, thin film, and single crystal samples. Absorption bands centered at 2. 8, 4. 1, and 4. 7 eV are observed in all three types of samples. The spectra change only slightly upon cooling from room temperature to 7 K. The spectral structures are assigned to interband transitions involving O(2p)-Cu(3d) and O(2p)-Ba(5d) bands.

引用

页码：1071 / 1075

页数：5

共 23 条

[1] Aspnes D. E., 1973, Optics Communications, V8, P222, DOI 10.1016/0030-4018(73)90132-6
[2] APPROXIMATE SOLUTION OF ELLIPSOMETRIC EQUATIONS FOR OPTICALLY BIAXIAL CRYSTALS
ASPNES, DE
[J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1980, 70 (10) : 1275 - 1277
[3] HIGH PRECISION SCANNING ELLIPSOMETER
ASPNES, DE
STUDNA, AA
[J]. APPLIED OPTICS, 1975, 14 (01): : 220 - 228
[4] Azzam RMA, 1977, ELLIPSOMETRY POLARIZ
[5] BERBERICH P, 1988, IN PRESS P M2S HTSC
[6] OPTICAL MEASUREMENTS ON ORIENTED THIN YBA2CU3O7-DELTA FILMS - LACK OF EVIDENCE FOR EXCITONIC SUPERCONDUCTIVITY
BOZOVIC, I
KIRILLOV, D
KAPITULNIK, A
CHAR, K
HAHN, MR
BEASLEY, MR
GEBALLE, TH
KIM, YH
HEEGER, AJ
[J]. PHYSICAL REVIEW LETTERS, 1987, 59 (19) : 2219 - 2221
[7] ELECTRONIC-STRUCTURE OF HIGH-TC SUPERCONDUCTING LAYERED PEROVSKITE LA-CU-O AND Y-BA-CU-O BY LMTO METHOD
FUJIWARA, T
HATSUGAI, Y
[J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1987, 26 (05): : L716 - L718
[8] GARRIGA M, 1988, IN PRESS P M2S HTSC
[9] GARRIGA M, IN PRESS
[10] GESERICH HP, UNPUB EUROPHYS LETT

← 1 2 3 →