TY - JOUR
T1 - Bose glass state in bulk (Nd,Eu,Gd)Ba2Cu3O x with a high irreversibility field
AU - Awaji, Satoshi
AU - Isono, Nobuyuki
AU - Watanabe, Kazuo
AU - Murakami, Masato
AU - Muralidhar, Miryala
AU - Koshizuka, Naomi
AU - Noto, Koshichi
PY - 2004/6
Y1 - 2004/6
N2 - (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.
AB - (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.
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U2 - 10.1103/PhysRevB.69.214522
DO - 10.1103/PhysRevB.69.214522
M3 - Article
AN - SCOPUS:42749105339
SN - 0163-1829
VL - 69
SP - 214522-1-214522-4
JO - Physical Review B-Condensed Matter
JF - Physical Review B-Condensed Matter
IS - 21
M1 - 214522
ER -