NEUTRON-SCATTERING STUDY OF MAGNETISM IN ND2BANIO5

被引：42

作者：

SACHAN, V

BUTTREY, DJ

TRANQUADA, JM

SHIRANE, G

机构：

[1] UNIV DELAWARE,DEPT CHEM ENGN,NEWARK,DE 19716

[2] BROOKHAVEN NATL LAB,DEPT PHYS,UPTON,NY 11973

来源：

PHYSICAL REVIEW B | 1994年 / 49卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.49.9658

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Single crystals of the linear chain phase Nd2BaNiO5+delta [delta = 0.005(1)] have been prepared and the magnetism studied by neutron scattering. The Ni-O chain direction is along the short axis a. Long-range antiferromagnetic order sets in below T(N) = 48 K with Nd and Ni moments parallel to [001]. The Nd2BaNiO5 magnetic cell is doubled along a and c relative to the chemical unit cell. The magnitude of the moments at 4.9 K is 2.7(2) and 1.2(1)mu(B) for Nd and Ni, respectively.

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页码：9658 / 9662

页数：5

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