Observation of multiple peaks in the magnetization curves of single crystals

M. Koblischka, A. van Dalen, T. Higuchi, K. Sawada, S. Yoo, M. Murakami

研究成果: Article査読

53 被引用数 (Scopus)

抄録

Induced current densities (Formula presented) were measured in a wide temperature ((Formula presented) K) and field range ((Formula presented) T) on single crystals of (Formula presented) using a superconducting quantum interference device magnetometer. The samples exhibit the fishtail or peak effect at temperatures above 30 K. In a small temperature window between 50 and 74 K, three peaks are seen in the (Formula presented) curves. The temperature and field behavior of the induced current densities is analyzed using a model describing a magnetization curve as composed of two independent contributions at low and high fields. By means of this analysis, it is demonstrated that the third peak corresponds to the fishtail peak, whereas the position of the second peak is practically independent of temperature. It is shown that the appearance of the second peak is due to the large values of the position of the fishtail peak.

本文言語English
ページ(範囲)R6893-R6896
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
54
10
DOI
出版ステータスPublished - 1996 1 1
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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