Ni-Mn-Ga-Ti铁磁形状记忆合金的相稳定性和磁性能的第一性原理计算
白静1,2,3,4(
),石少锋1,2,王锦龙1,2,王帅2,赵骧1
),石少锋1,2,王锦龙1,2,王帅2,赵骧1
First-Principles Calculations of Phase Stability and Magnetic Properties of Ni-Mn-Ga-Ti FerromagneticShape Memory Alloys
Jing BAI1,2,3,4(),Shaofeng SHI1,2,Jinlong WANG1,2,Shuai WANG2,Xiang ZHAO1
),Shaofeng SHI1,2,Jinlong WANG1,2,Shuai WANG2,Xiang ZHAO1
图3. Ni8Mn4-xGa4Tix (x=0、1、2)合金奥氏体母相的自旋总电子态密度
Fig.3. Total density of states of ferromagnetic austenite for Ni8Mn4-xGa4Tix alloys with x=0 (a), x=1 (b) and x=2 (c) (EF—Fermi level. Circles in Fig.3 show that the intensity of up-spin total DOS (from -3.5 eV to -1 eV) decreases with the increasing content of Ti, and arrows in Fig.3 show that the intensity of the peak at 1.3 eV decreases with the Ti content in the down-spin total DOS)
