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Titolo:
FREQUENCY-DEPENDENCE OF RESISTIVITY OF HIGH-PURITY COPPER AT LOW-TEMPERATURES
Autore:
NAKANE H; WATANABE T; KOBAYASHI M; HASHIMOTO T;
Indirizzi:
KOGAKUIN UNIV,DEPT ELECT ENGN,NISHI SHINJUKU 1 CHOME,SHINJUKU KU TOKYO 16391 JAPAN SCI UNIV TOKYO,FAC IND SCI & TECHNOL,DEPT APPL ELECTR NODA CHIBA 278 JAPAN GUNMA PREFECTURAL COLL HLTH SCI MAEBASHI GUNMA 371 JAPAN TOKYO INST TECHNOL,FAC SCI,DEPT APPL PHYS,MEGURO KU TOKYO 152 JAPAN
Titolo Testata:
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
fascicolo: 7, volume: 32, anno: 1993,
pagine: 3199 - 3203
SICI:
0021-4922(1993)32:7<3199:FOROHC>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLENOID COIL;
Keywords:
HIGH-PURITY COPPER; MEAN FREE PATH; ANOMALOUS SKIN EFFECT; AC RESISTIVITY; SRPM METHOD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
H. Nakane et al., "FREQUENCY-DEPENDENCE OF RESISTIVITY OF HIGH-PURITY COPPER AT LOW-TEMPERATURES", JPN J A P 1, 32(7), 1993, pp. 3199-3203

Abstract

The frequency dependence of the surface impedance of different kinds of high-purity copper was measured in the audio frequency region and at low temperatures. The impedance of a coil with and without a rod-shaped sample was measured as a function of frequency. From these values,the surface impedance for copper of different purities was calculated. It was found that the real part of the difference in the coil impedance is proportional to omega(n), where omega is the angular frequency and n ranges from 1/2 (normal skin effect) to 2/3 (anomalous skin effect). This finding suggests that the surface impedance of high-purity copper at low temperatures can be better explained in terms of the anomalous skin effect than the normal skin effect.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 12/07/20 alle ore 01:47:02