A CALORIMETRIC STUDY OF LONG-RANGE AND SHORT-RANGE MAGNETIC-INTERACTIONS OF THE R(3+) IONS IN NDBA2CU3OX AND DYBA2CU3OX

被引：2
|
作者：
ALLENSPACH, P
LEE, BW
GAJEWSKI, DA
MAPLE, MB
机构：
[1] PAUL SCHERRER INST,CH-5232 VILLIGEN,SWITZERLAND
[2] HANKUK UNIV FOREIGN STUDIES,DEPT PHYS,KYUNGKDO 449791,SOUTH KOREA
[3] UNIV CALIF SAN DIEGO,DEPT PHYS,LA JOLLA,CA 92093
[4] UNIV CALIF SAN DIEGO,INST PURE & APPL PHYS SCI,LA JOLLA,CA 92093
来源：
PHYSICA C | 1994年 / 235卷
关键词：
D O I：
10.1016/0921-4534(94)92098-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Low temperature specific heat measurements were performed in order to obtain information about the magnetic ordering effects in NdBa2Cu3Ox (Nd123x) and DyBa2Cu3Ox (Dy123x). In the specific heat of both system a strong oxygen dependence was observed. While for Nd123x the shape and the position of the specific heat anomaly is changed by changing the oxygen content, for Dy123x only a change in the shape was measured. A shift in the position indicates a variation in the magnetic coupling, whereas the observed changes in shape are a result of variations in the magnetic correlation length.
引用
收藏
页码：1753 / 1754
页数：2
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