Circular dichroism in STM-excited luminescence on metals

被引:14
作者
deParga, ALV [1 ]
Alvarado, SF [1 ]
机构
[1] UNIV AUTONOMA MADRID,FAC CIENCIAS,SURFACE PHYS LAB,DEPT FIS MAT CONDENSADA 103,E-28049 MADRID,SPAIN
来源
EUROPHYSICS LETTERS | 1996年 / 36卷 / 08期
关键词
D O I
10.1209/epl/i1996-00105-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
For a tunneling junction formed by an asymmetric tip apex and a hat surface, we find that highly circularly polarized light can be emitted by inelastic tunneling excitation. Furthermore, the degree of circular polarization exhibits a strong dependence on the azimuthal angle of emission; This indicates that the geometrical features of the tip apex can define a chiral system.
引用
收藏
页码:577 / 582
页数:6
相关论文
共 37 条
[31]   PRISM-COUPLED LIGHT-EMISSION FROM A SCANNING TUNNELING MICROSCOPE [J].
TAKEUCHI, K ;
UEHARA, Y ;
USHIODA, S ;
MORITA, S .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1991, 9 (02) :557-560
[32]   MICROSCOPIC THEORY OF LIGHT-EMISSION FROM THE SCANNING TUNNELING MICROSCOPE [J].
TSUKADA, M ;
SCHIMIZU, T ;
KOBAYASHI, K .
ULTRAMICROSCOPY, 1992, 42 :360-365
[33]   THEORY OF VISIBLE-LIGHT EMISSION FROM SCANNING TUNNELING MICROSCOPE [J].
UEHARA, Y ;
KIMURA, Y ;
USHIODA, S ;
TAKEUCHI, K .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1992, 31 (08) :2465-2469
[34]   STM LIGHT-EMISSION SPECTROSCOPY OF AU FILM [J].
USHIODA, S ;
UEHARA, Y ;
KUWAHARA, M .
APPLIED SURFACE SCIENCE, 1992, 60-1 :448-453
[35]   STM LIGHT-EMISSION SPECTROSCOPY OF SI SURFACES [J].
USHIODA, S .
SOLID STATE COMMUNICATIONS, 1992, 84 (1-2) :173-176
[36]   LUMINESCENCE FROM GOLD-PASSIVATED GALLIUM-ARSENIDE SURFACES EXCITED WITH A SCANNING TUNNELING MICROSCOPE [J].
WENDEROTH, M ;
GREGOR, MJ ;
ULBRICH, RG .
SOLID STATE COMMUNICATIONS, 1992, 83 (08) :535-537
[37]   CIRCULAR-DICHROISM IN THE ANGULAR-DISTRIBUTION OF PHOTOELECTRONS FROM ORIENTED CO MOLECULES [J].
WESTPHAL, C ;
BANSMANN, J ;
GETZLAFF, M ;
SCHONHENSE, G .
PHYSICAL REVIEW LETTERS, 1989, 63 (02) :151-154