Perpendicular Magnetization and Generic Realization of the Ising Model in Artificial Spin Ice

被引：53

作者：

Zhang, Sheng ^{[1
,2
]}

Li, Jie ^{[1
,2
]}

Gilbert, Ian ^{[1
,2
]}

Bartell, Jason ^{[1
,2
]}

Erickson, Michael J. ^{[3
]}

Pan, Yu ^{[1
,2
]}

Lammert, Paul E. ^{[1
,2
]}

Nisoli, Cristiano ^{[4
,5
]}

Kohli, K. K. ^{[1
,2
]}

Misra, Rajiv ^{[1
,2
]}

Crespi, Vincent H. ^{[1
,2
]}

Samarth, Nitin ^{[1
,2
]}

Leighton, C. ^{[3
]}

Schiffer, Peter ^{[1
,2
]}

机构：

[1] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

[3] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA

[4] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[5] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 08期

关键词：

FRUSTRATED MAGNETS; MONOPOLES; MEDIA;

D O I：

10.1103/PhysRevLett.109.087201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied frustrated kagome arrays and unfrustrated honeycomb arrays of magnetostatically interacting single-domain ferromagnetic islands with magnetization normal to the plane. The measured pairwise spin correlations of both lattices can be reproduced by models based solely on nearest-neighbor correlations. The kagome array has qualitatively different magnetostatics but identical lattice topology to previously studied artificial spin ice systems composed of in-plane moments. The two systems show striking similarities in the development of moment pair correlations, demonstrating a universality in artificial spin ice behavior independent of specific realization in a particular material system.

引用

页数：5

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