JOSEPHSON PLASMA-OSCILLATIONS IN LA1.85SR0.15CUO4

被引:12
作者
GERRITS, AM
WITTLIN, A
DUIJN, VHM
MENOVSKY, AA
FRANSE, JJM
VANBENTUM, PJM
机构
[1] UNIV NIJMEGEN,MAT RES INST,6525 ED NIJMEGEN,NETHERLANDS
[2] UNIV AMSTERDAM,VAN DER WAALS ZEEMAN LAB,1018 XE AMSTERDAM,NETHERLANDS
来源
PHYSICA C | 1994年 / 235卷
关键词
D O I
10.1016/0921-4534(94)91783-3
中图分类号
O59 [应用物理学];
学科分类号
摘要
We present new data on the c-axis far infrared reflection spectrum of La1.85Sr0.15CuO4. The observed reflectance edge below T-c is interpreted in a Josephson plasma oscillation model, which provides a novel spectroscopic way to determine the critical current density. Furthermore, we show that the presence of a small absorption peak near the aero crossing of the dielectric function can be explained in an effective medium calculation.
引用
收藏
页码:1117 / 1118
页数:2
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