OBSERVATION OF AN ORGANIC SUPERCONDUCTOR [BIS(ETHYLENEDITHIO)-TETRATHIAFULVALENE]2[CU(NCS)2] BY SCANNING TUNNELING MICROSCOPY

被引:12
作者
YOSHIMURA, M
FUJITA, K
ARA, N
KAGESHIMA, M
SHIODA, R
KAWAZU, A
SHIGEKAWA, H
HYODO, S
机构
[1] UNIV TSUKUBA,INST MAT SCI,SAKURA,IBARAKI 305,JAPAN
[2] MEIJI UNIV,SCH SCI & TECHNOL,TAMA KU,KAWASAKI 214,JAPAN
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1990年 / 8卷 / 01期
关键词
D O I
10.1116/1.577025
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The surface of an organic high-Tc superconductor, (BEDT-TTF)2[Cu(NCS)2] [BEDT-TTF bis(ethylenedithio)tetrathiafulvalene, Tc= 10.4 K under ambient pressure], was observed with a scanning tunneling microscope in air and at room temperature. The step height observed on its surface was 13.2 A and was very close to the one layer thickness of the (BEDT-TTF)2 [cu(ncs)2] crystal (15.22 A, determined by x-ray diffraction). Periodic zig-zag structures were observed along the diagonal line of the surface unit cell and agreed well with the two-dimensional BEDT-TFF molecular structure projected onto its crystal b-c plane. © 1990, American Vacuum Society. All rights reserved.
引用
收藏
页码:488 / 489
页数:2
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