高压合成Cr-GaSb自旋电子材料的电输运和磁性
Electrotransport and magnetic properies of Cr-GaSb spintronic materials synthesized under high pressure
摘要：
研究了Cr-GaSb系中新相的电输运和磁性质。样品采用高压（P=6-8 GPa）高温处理法制备，并用X射线衍射和扫描电镜（SEM）进行了表征。具有正交结构$Iba2$的CrGa $_2$ Sb $_2$相之一具有铁磁和半导体性质的组合，并且潜在地有希望用于自旋电子学应用。另一种高温相是顺磁性的，被鉴定为四氢$I4/mcm$。
英文摘要：
Electrotarnsport and magnetic properties of new phases in the system Cr-GaSb were studied. The samples were prepared by high-pressure (P=6-8 GPa) high-temperature treatment and identified by x-ray diffraction and scanning electron microscopy (SEM). One of the CrGa$_2$Sb$_2$ phases with an orthorhombic structure $Iba2$ has a combination of ferromagnetic and semiconductor properties and is potentially promising for spintronic applications. Another high-temperature phase is paramagnetic and identified as tetragonal $I4/mcm$.
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