Chiral Magnetic Soliton Lattice on a Chiral Helimagnet

被引：436

作者：

Togawa, Y. ^{[1
,2
]}

Koyama, T. ^{[3
]}

Takayanagi, K. ^{[1
]}

Mori, S. ^{[2
,3
]}

Kousaka, Y. ^{[4
]}

Akimitsu, J. ^{[4
]}

Nishihara, S. ^{[5
]}

Inoue, K. ^{[5
,6
]}

Ovchinnikov, A. S. ^{[7
]}

Kishine, J. ^{[8
]}

机构：

[1] Osaka Prefecture Univ, N2RC, Sakai, Osaka 5998570, Japan

[2] CREST, JST, Chiyoda Ku, Tokyo 1020075, Japan

[3] Osaka Prefecture Univ, Dept Mat Sci, Sakai, Osaka 5998531, Japan

[4] Aoyama Gakuin Univ, Dept Math & Phys, Sagamihara, Kanagawa 2525258, Japan

[5] Hiroshima Univ, Dept Chem, Fac Sci, Hiroshima 7398526, Japan

[6] Hiroshima Univ, IAMR, Facil Sci, Hiroshima 7398530, Japan

[7] Ural Fed Univ, Dept Phys, Ekaterinburg 620083, Russia

[8] Kyushu Inst Technol, Dept Basic Sci, Kitakyushu, Fukuoka 8048550, Japan

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 10期

关键词：

HELICAL SPIN STRUCTURE; ELECTRON DIFFRACTION; WEAK FERROMAGNETISM; CR1/3NBS2; ORDER;

D O I：

10.1103/PhysRevLett.108.107202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using Lorenz microscopy and small-angle electron diffraction, we directly present that the chiral magnetic soliton lattice (CSL) continuously evolves from a chiral helimagnetic structure in small magnetic fields in Cr1/3NbS2. An incommensurate CSL undergoes a phase transition to a commensurate ferromagnetic state at the critical field strength. The period of a CSL, which exerts an effective potential for itinerant spins, is tuned by simply changing the field strength. Chiral magnetic orders observed do not exhibit any structural dislocation, indicating their high stability and robustness in Cr1/3NbS2.

引用

页数：5

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