Resistance anomaly of Nb-Si thin films

A resistance anomaly of very thin Nb–Si films is reported. The anomaly is characterized by a sudden drop in the resistance by a factor of ∼10 3 at a temperature ( T D ) of ∼180 K without any application of pressure. The lower resistance-state (∼zero Ω) is constant to 4.2 K so far as we measured. T D...

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Veröffentlicht in:Japanese Journal of Applied Physics 1983-08, Vol.22 (8), p.523-524
Hauptverfasser: OGUSHI, T, OBARA, K, ANAYAMA, T
Format: Artikel
Sprache:eng
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Zusammenfassung:A resistance anomaly of very thin Nb–Si films is reported. The anomaly is characterized by a sudden drop in the resistance by a factor of ∼10 3 at a temperature ( T D ) of ∼180 K without any application of pressure. The lower resistance-state (∼zero Ω) is constant to 4.2 K so far as we measured. T D depends on measuring current and on magnetic fields. The anomaly has properties very similar to those of CuCl under high pressure .
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.22.l523