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Titolo:
Mutual inductance of small solenoid coil equipped with scanning tunneling electron microscope
Autore:
Yamazaki, T; Aono, M;
Indirizzi:
RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan RIKEN Wako Saitama Japan 3510198 & Chem Res, Wako, Saitama 3510198, Japan Osaka Univ, Dept Precis Sci & Technol, Suita, Osaka 5650871, Japan Osaka Univ Suita Osaka Japan 5650871 Technol, Suita, Osaka 5650871, Japan
Titolo Testata:
MATERIALS TRANSACTIONS
fascicolo: 8, volume: 42, anno: 2001,
pagine: 1705 - 1709
SICI:
1345-9678(200108)42:8<1705:MIOSSC>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
FORCE MICROSCOPY; RESOLUTION;
Keywords:
scanning tunneling electron microscope; gold; thin metal film; eddy current; electrical conductivity; mapping; iron tip; solenoid coil; mutual inductance;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Yamazaki, T Natl Space Dev Agcy Japan, Tsukuba Space Ctr, Res & Dept Bldg,Tsukuba, Ibaraki 3058505, Japan Natl Space Dev Agcy Japan Res & Dept Bldg Tsukuba Ibaraki Japan 3058505
Citazione:
T. Yamazaki e M. Aono, "Mutual inductance of small solenoid coil equipped with scanning tunneling electron microscope", MATER TRANS, 42(8), 2001, pp. 1705-1709

Abstract

A small solenoid coil was equipped with a scanning tunneling electron microscope (STM) which has an iron needle core tip as the probe. Mutual inductance of the coil with a thin gold film on a mica plate was investigated in order to profile electrical conductivity. It is important to maintain a small gap between the tip apex and the sample surface. The gap is related to the distribution of electron scattering by induced current. The conductivity mapping was carried out on a large ter-race. If the tip is over the step edge, the output signal from the probe coil becomes unstable. Atomically smooth surface of the specimen was in need for the electrical conductivity mapping. The electrical conductivity on the terrace was almost constant, The mutual inductance values with the gold film at various temperatures were investigated by cooling it below 250 K, The mutual inductance is inversely proportional to the temperature to the one-third power, T-1/3. The relationshipbetween the mutual inductance and the temperature was explained by the electromagnetic theory.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 08/07/20 alle ore 07:59:00