Giant magnetoresistance in sputtered Cr-Fe heterogeneous alloy films

K. Takanashi; T. Sugawara; K. Hono; H. Fujimori

doi:10.1063/1.358131

Giant magnetoresistance in sputtered Cr-Fe heterogeneous alloy films

K. Takanashi, T. Sugawara, K. Hono, H. Fujimori

Collaborative Research Center on Energy Materials

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

We have observed large negative magnetoresistance (MR) in Cr-Fe heterogeneous alloy films sputter deposited on heated substrates. The largest MR, 37.3% at 4.2 K and 14 T, appears around the Fe concentration of 20 at. %. While a large substrate temperature dependence of MR is observed when the Fe concentration is lower than 20 at. %, MR does not vary noticeably with changes in the substrate temperature when Fe concentration exceeds 20 at. %.

Original language	English
Pages (from-to)	6790-6792
Number of pages	3
Journal	Journal of Applied Physics
Volume	76
Issue number	10
DOIs	https://doi.org/10.1063/1.358131
Publication status	Published - 1994

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Giant magnetoresistance in sputtered Cr-Fe heterogeneous alloy films",

abstract = "We have observed large negative magnetoresistance (MR) in Cr-Fe heterogeneous alloy films sputter deposited on heated substrates. The largest MR, 37.3% at 4.2 K and 14 T, appears around the Fe concentration of 20 at. %. While a large substrate temperature dependence of MR is observed when the Fe concentration is lower than 20 at. %, MR does not vary noticeably with changes in the substrate temperature when Fe concentration exceeds 20 at. %.",

author = "K. Takanashi and T. Sugawara and K. Hono and H. Fujimori",

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N2 - We have observed large negative magnetoresistance (MR) in Cr-Fe heterogeneous alloy films sputter deposited on heated substrates. The largest MR, 37.3% at 4.2 K and 14 T, appears around the Fe concentration of 20 at. %. While a large substrate temperature dependence of MR is observed when the Fe concentration is lower than 20 at. %, MR does not vary noticeably with changes in the substrate temperature when Fe concentration exceeds 20 at. %.

AB - We have observed large negative magnetoresistance (MR) in Cr-Fe heterogeneous alloy films sputter deposited on heated substrates. The largest MR, 37.3% at 4.2 K and 14 T, appears around the Fe concentration of 20 at. %. While a large substrate temperature dependence of MR is observed when the Fe concentration is lower than 20 at. %, MR does not vary noticeably with changes in the substrate temperature when Fe concentration exceeds 20 at. %.

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Giant magnetoresistance in sputtered Cr-Fe heterogeneous alloy films

Abstract

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