Magnetic anisotropy of single-crystalline UNi2Al3

被引：16

作者：

Sullow, S ^{[1
]}

Becker, B ^{[1
]}

deVisser, A ^{[1
]}

Mihalik, M ^{[1
]}

Nieuwenhuys, GJ ^{[1
]}

Menovsky, AA ^{[1
]}

Mydosh, JA ^{[1
]}

机构：

[1] VAN DER WAALS ZEEMAN LAB,NL-1018 XE AMSTERDAM,NETHERLANDS

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1997年 / 9卷 / 04期

关键词：

D O I：

10.1088/0953-8984/9/4/011

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report the magnetic field dependence of the de susceptibility and resistivity in superconducting single crystals of the hexagonal heavy-fermion superconductor UNi2Al3. From the susceptibility we derive a crystalline-electric-field scheme, which closely resembles that of UPd2Al3. Furthermore, we examine the magnetic phase transition into the incommensurably ordered state at T-N = 4.1 K and construct the magnetic phase diagram for the three crystallographic directions. While for fields B parallel to the alpha- or c-axis T-N is monotonically lowered, this is not the case for B parallel to b. Instead. here we find a field-induced magnetic transition into a, presumably, commensurate ordered magnetic state. We discuss our results on UNi2Al3 in comparison to those for the related system UPd2Al3.

引用

页码：913 / 922

页数：10

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