Paper Title:
Micro-Mechanism and Impurity Influence of Ferromagnetic Shape Memory Alloy Ni2MnGa Investigation
  Abstract

In this paper the perfect Ni2MnGa cluster model is studied by use of the first principles discrete variational method (DVM), which is based on the framework of density- function theory. To study the characteristic properties of the alloy and the influence of the impurities which substitute for Mn at the central, the electronic structure、the binding energy and site energy are calculated. The result illuminates that Ni2MnGa complex obviously has metallic property. Ga plays to transmit electron for the exchange actions between Mn and Mn. And the periodic influence of 11 impurity elements on the binding energy and the site energy is gived. From the microcosmic the reason of the martensitic temperature changed with the concentration of element is analyzed.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
2239-2242
DOI
10.4028/www.scientific.net/MSF.475-479.2239
Citation
J. Mu, D. Zhao, "Micro-Mechanism and Impurity Influence of Ferromagnetic Shape Memory Alloy Ni2MnGa Investigation", Materials Science Forum, Vols. 475-479, pp. 2239-2242, 2005
Online since
January 2005
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Qiu Hua Ma, Qing Wei Wang, Peng Xian Lu, Yong Gai Hou
Power and Fluid Machinery
Abstract:The electronic structures of thermoelectric material NaCo2O4 were studied by the first-principles calculations with plane-wave...
2051
Authors: Xiu Rong Zhang, Lin Yin, Wei Jun Li, Hui Shuai Tang
Chapter 10: Power Electronics and Power Drives
Abstract:The geometric structures of PtNN0,± clusters are optimized by the B3LYP/LANL2DZ method of density function theory, the...
1889
Authors: Deng Bang Jiang, Wen Deng, Yao Zhong Lan
Abstract:The electronic and reaction properties of natural sphalerite containing seven typical kinds of impurities is studied by the...
39
Authors: Er Jun Kan
Chapter 1: Materials Science and Material Processing Technologies
Abstract:We demonstrate the existence of a hidden degree of freedom controlling the orbitalordering in [LaTiO1/[LaAlO5 multilayers with comprehensive...
7
Authors: Ying Xi, Hai Qing Jiang, Bo Jin, Jian Zhang Shi, Tian Ming Lei, Zhi Yong Zhang
Chapter 7: Mechanical, Thermal, Optical, Electric, Magnetic Functional Materials and Properties
Abstract:In this paper, the photocatalytic properties of W-doped monoclinic BiVO4 were studied by CASTEP of MS-5.5 software under PWPP...
845