An interpretation of the correlation between the intensity of Scanning Tunneling Microscopy (STM) induced light emission and the topographic height for the metal particles

被引：4

作者：

Nishitani, R ^{[1
]}

Umeno, T ^{[1
]}

Kasuya, A ^{[1
]}

机构：

[1] TOHOKU UNIV, INST MAT RES, SENDAI, MIYAGI 98077, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1997年 / 36卷 / 11B期

关键词：

STM; tunneling induced light emission; photon map; gold particles; STM induced dipole;

D O I：

10.1143/JJAP.36.L1545

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The correlation between the intensity of Scanning Tunneling Microscopy(STM) induced light emission and the topographic height for metal particles is described. The topographic height dependence of the STM induced light emission from the STM induced dipole on the gold particles is calculated. The light emission is considered as the radiation from tunneling induced dipole, and the intensity is calculated as a function of the orientation of the dipole moment which depends on the position of the STM tip over the particles. The light intensity is nearly proportional to the topographic height of the particles. This result explains the linear correlation of the contrast between the photon intensity map and the STM topographic image.

引用

页码：L1545 / L1547

页数：3

共 13 条

[1] PHOTON-EMISSION IN SCANNING-TUNNELING-MICROSCOPY - INTERPRETATION OF PHOTON MAPS OF METALLIC SYSTEMS [J].

BERNDT, R ;

GIMZEWSKI, JK .

PHYSICAL REVIEW B, 1993, 48 (07) :4746-4754

[2] INELASTIC TUNNELING EXCITATION OF TIP-INDUCED PLASMON MODES ON NOBLE-METAL SURFACES [J].

BERNDT, R ;

GIMZEWSKI, JK ;

JOHANSSON, P .

PHYSICAL REVIEW LETTERS, 1991, 67 (27) :3796-3799

[3] PHOTON-EMISSION WITH THE SCANNING TUNNELING MICROSCOPE [J].

GIMZEWSKI, JK ;

REIHL, B ;

COOMBS, JH ;

SCHLITTLER, RR .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1988, 72 (04) :497-501

[4] LIGHT EMITTED FROM MOLECULES ADSORBED ON A METAL-SURFACE [J].

GREENLER, RG .

SURFACE SCIENCE, 1977, 69 (02) :647-652

[5] STM LIGHT-EMISSION SPECTROSCOPY OF SURFACE MICROSTRUCTURES ON GRANULAR AU FILMS [J].

ITO, K ;

OHYAMA, S ;

UEHARA, Y ;

USHIODA, S .

SURFACE SCIENCE, 1995, 324 (2-3) :282-288

[6] THEORY FOR PHOTON-EMISSION FROM A SCANNING TUNNELING MICROSCOPE [J].

JOHANSSON, P ;

MONREAL, R .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1991, 84 (02) :269-275

[7] OPTICAL CONSTANTS OF NOBLE METALS [J].

JOHNSON, PB ;

CHRISTY, RW .

PHYSICAL REVIEW B, 1972, 6 (12) :4370-4379

[8] PHOTON-EMISSION SCANNING-TUNNELING-MICROSCOPY OF SILVER FILMS IN ULTRAHIGH-VACUUM - A SPECTROSCOPIC METHOD [J].

MCKINNON, AW ;

WELLAND, ME ;

WONG, TMH ;

GIMZEWSKI, JK .

PHYSICAL REVIEW B, 1993, 48 (20) :15250-15255

[9] Measurements of photon intensity map for metal particles by scanning tunneling microscopy [J].

Nishitani, R ;

Umeno, T ;

Suga, K ;

Kasuya, A ;

Nishina, Y .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1996, 217 :99-102

[10] THEORY OF PHOTON-EMISSION IN ELECTRON-TUNNELING TO METALLIC PARTICLES [J].

PERSSON, BNJ ;

BARATOFF, A .

PHYSICAL REVIEW LETTERS, 1992, 68 (21) :3224-3227

← 1 2 →