Pulsed laser deposition of high-quality thin films of the insulating ferromagnet EuS

被引：13

作者：

Yang, Qi I. ^{[1
,2
,3
]}

Zhao, Jinfeng ^{[4
]}

Zhang, Li ^{[3
,5
]}

Dolev, Merav ^{[3
,5
]}

Fried, Alexander D. ^{[1
,3
]}

Marshall, Ann F. ^{[6
]}

Risbud, Subhash H. ^{[4
]}

Kapitulnik, Aharon ^{[1
,2
,3
,5
]}

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[2] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA

[3] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA

[4] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA

[5] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA

[6] Stanford Univ, Stanford Nanocharacterizat Lab, Stanford, CA 94305 USA

来源：

APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 08期

关键词：

MAGNETIC-PROPERTIES; EUROPIUM SULFIDE; HEAT; TRANSITION;

D O I：

10.1063/1.4866265

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High-quality thin films of the ferromagnetic insulator europium(II) sulfide (EuS) were fabricated by pulsed laser deposition on Al2O3 (0001) and Si (100) substrates. A single orientation was obtained with the [100] planes parallel to the substrates, with atomic-scale smoothness indicates a near-ideal surface topography. The films exhibit uniform ferromagnetism below 15.9 K, with a substantial component of the magnetization perpendicular to the plane of the films. Optimization of the growth condition also yielded truly insulating films with immeasurably large resistance. This combination of magnetic and electric properties opens the gate for future devices that require a true ferromagnetic insulator. (C) 2014 AIP Publishing LLC.

引用

页数：4

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