Bose glass state in bulk (Nd,Eu,Gd)Ba2Cu3O x with a high irreversibility field

Satoshi Awaji, Nobuyuki Isono, Kazuo Watanabe, Masato Murakami, Miryala Muralidhar, Naomi Koshizuka, Koshichi Noto

研究成果: Article査読

15 被引用数 (Scopus)

抄録

(Nd,Eu,Gd)Ba2Cu3Ox (NEG123) bulk shows the high irreversibility properties. In order to clarify the origin of high irreversibility fields, the transport properties of NEG123 bulk with the high irreversibility field were investigated against high magnetic fields, temperatures, and field angles. We found that a dip in the angular dependent resistivity appears at B//c, originated to the correlated disorder along the c axis. In addition, the Bose glass phase was observed around B//c by the detailed analysis of the glass transition temperature and exponent. Therefore the Bose glass state plays an important role for realization of the high irreversibility field. It is suggested that new effective pinning centers correlated along the c axis are responsible for the high irreversibility field.

本文言語English
論文番号214522
ページ(範囲)214522-1-214522-4
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
69
21
DOI
出版ステータスPublished - 2004 6

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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