Magnetic shape-memory effect in SrRuO3

被引：15

作者：

Kunkemoeller, S. ^{[1
]}

Bruening, D. ^{[1
]}

Stunault, A. ^{[2
]}

Nugroho, A. A. ^{[3
]}

Lorenz, T. ^{[1
]}

Braden, M. ^{[1
]}

机构：

[1] Univ Cologne, Phys Inst 2, Zulpicher Str 77, D-50937 Cologne, Germany

[2] Inst Laue Langevin, 71 Ave Martyrs,CS 20156, F-38042 Grenoble 9, France

[3] Inst Teknol Bandung, Fac Math & Nat Sci, Jalan Ganesha 10, Bandung 40132, Indonesia

来源：

PHYSICAL REVIEW B | 2017年 / 96卷 / 22期

关键词：

STRUCTURAL-ANALYSIS; TEMPERATURE; ANISOTROPY; CRYSTALS;

D O I：

10.1103/PhysRevB.96.220406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

As most perovskites, SrRuO3 exhibits structural phase transitions associated with rotations of the RuO6 octahedra. The application of moderate magnetic fields in the ferromagnetically ordered state allows one to control these structural distortions, although the ferromagnetic order occurs at six times lower temperature than the structural distortion. Our neutron-diffraction and macroscopic measurements unambiguously show that magnetic fields rearrange structural domains, and that for the field along a cubic [110](c) direction, a fully detwinned crystal is obtained. Subsequent heating above T-C into the paramagnetic phase causes a magnetic shape-memory effect, where the initial structural domains recover.

引用

页数：5

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