Body-Centered-Cubic Ni and Its Magnetic Properties

C. S. Tian, D. Qian, D. Wu, R. H. He, Y. Z. Wu, W. X. Tang, L. F. Yin, Y. S. Shi, G. S. Dong, X. F. Jin, X. M. Jiang, F. Q. Liu, H. J. Qian, K. Sun, L. M. Wang, G. Rossi, Z. Q. Qiu, and J. Shi
Phys. Rev. Lett. 94, 137210 – Published 7 April 2005

Abstract

The body-centered-cubic (bcc) phase of Ni, which does not exist in nature, has been achieved as a thin film on GaAs(001) at 170 K via molecular beam epitaxy. The bcc Ni is ferromagnetic with a Curie temperature of 456 K and possesses a magnetic moment of 0.52±0.08μB/atom. The cubic magnetocrystalline anisotropy of bcc Ni is determined to be +4.0×105ergs·cm3, as opposed to 5.7×104ergs·cm3 for the naturally occurring face-centered-cubic (fcc) Ni. This sharp contrast in the magnetic anisotropy is attributed to the different electronic band structures between bcc Ni and fcc Ni, which are determined using angle-resolved photoemission with synchrotron radiation.

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  • Received 18 November 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.137210

©2005 American Physical Society

Authors & Affiliations

C. S. Tian, D. Qian, D. Wu, R. H. He, Y. Z. Wu, W. X. Tang, L. F. Yin, Y. S. Shi, G. S. Dong, and X. F. Jin*

  • Surface Physics Laboratory, Fudan University, Shanghai 200433, China

X. M. Jiang1, F. Q. Liu1, H. J. Qian1, K. Sun2, L. M. Wang2, G. Rossi3, Z. Q. Qiu4, and J. Shi5

  • 1National Synchrotron Radiation Laboratory, Beijing 310027, China
  • 2Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor Michigan 48109, USA
  • 3Laboratorio Nazionale TASC-INFM, Strada Statale 14, km 163.5 Basovizza, I-34012 Trieste, Italy
  • 4Department of Physics, University of California, Berkeley, California 94720, USA
  • 5Department of Physics, University of Utah, Salt Lake City, Utah 84112, USA

  • *Corresponding author. Electronic address: xfjin@fudan.edu.cn

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Issue

Vol. 94, Iss. 13 — 8 April 2005

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