Field-induced commensurate-incommensurate phase transition in a Dzyaloshinskii-Moriya spiral antiferromagnet

被引：84

作者：

Zheludev, A ^{[1
]}

Maslov, S ^{[1
]}

Shirane, G ^{[1
]}

Sasago, Y ^{[1
]}

Koide, N ^{[1
]}

Uchinokura, K ^{[1
]}

机构：

[1] UNIV TOKYO,DEPT APPL PHYS,BUNKYO KU,TOKYO 113,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.78.4857

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report an observation of a commensurate-incommensurate phase transition in a Dzyaloshinskii-Moriya spiral magnet Ba2CuGe2O7. The transition is induced by applying a magnetic field in the plane of spin rotation. In this experiment we have direct control over the strength of the commensurate potential, while the preferred incommensurate period of the spin system remains unchanged. Experimental results for the period of the soliton lattice and bulk magnetization as a function of external magnetic field are in quantitative agreement with theory.

引用

页码：4857 / 4860

页数：4

共 23 条

[1]

[Anonymous], 1957, SOV PHYS JETP

[2]

[Anonymous], 1980, Gos. Izd-vo Fiz.-Mat. Literatury

[3] COMMENSURATE PHASES, INCOMMENSURATE PHASES AND THE DEVILS STAIRCASE [J].

BAK, P .

REPORTS ON PROGRESS IN PHYSICS, 1982, 45 (06) :587-629

[4]

CLARKE R, 1980, ORDERING 2 DIMENSION, P53

[5]

DZYALOSHINSKII IE, 1965, ZH EKSP TEOR FIZ, V20, P665

[6] ANTIFERROMAGNETIC HEISENBERG-MODEL IN A UNIFORM EXTERNAL-FIELD [J].

FABRICIUS, K ;

KARBACH, M ;

LOW, U ;

MUTTER, KH .

PHYSICAL REVIEW B, 1992, 45 (10) :5315-5320

[7] X-RAY-SCATTERING AND ELECTRIC-FIELD STUDIES OF THE SLIDING MODE CONDUCTOR NBSE3 [J].

FLEMING, RM ;

MONCTON, DE ;

MCWHAN, DB .

PHYSICAL REVIEW B, 1978, 18 (10) :5560-5563

[8] ONE-DIMENSIONAL DISLOCATIONS .1. STATIC THEORY [J].

FRANK, FC ;

VANDERMERWE, JH .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1949, 198 (1053) :205-216

[9]

Frenkel Ya I., 1938, ZH EKSP TEOR FIZ, V8, P1340

[10] MAGNETIC NEUTRON-SCATTERING STUDIES OF RBMNBR3 [J].

HELLER, L ;

COLLINS, MF ;

YANG, YS ;

COLLIER, B .

PHYSICAL REVIEW B, 1994, 49 (02) :1104-1112

← 1 2 3 →