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Interplay between Structural, Electronic, and Magnetic Properties in the p0-d Semi-Heusler Compounds: The Case of Li-Based Compounds
Crystals ( IF 2.4 ) Pub Date : 2024-07-29 , DOI: 10.3390/cryst14080693
Kemal Özdoğan 1 , Iosif Galanakis 2
Affiliation  

Half-metallic semi-Heusler compounds (also known as half-Heusler compounds) are currently at the forefront of scientific research due to their potential applications in spintronic devices. Unlike other semi-Heuslers, the p0(d0)-d compounds do not appear to crystallize in the typical variant of the C1b structure. We investigate this phenomenon in the p0-d Heusler compounds LiYGa and LiYGe, where Y varies between Ca and Zn, using first-principles ab initio electronic band-structure calculations. We examine the electronic and magnetic properties of these compounds in relation to the three possible C1b structures. Notably, LiVGa, LiVGe, LiMnGa, and LiCrGe are half-metallic ferromagnets across all three variations of the C1b lattice structure. Our findings will serve as a foundation for future experimental studies on these compounds.

中文翻译:


p0-d Semi-Heusler 化合物中结构、电子和磁性之间的相互作用:以锂基化合物为例



半金属半霍斯勒化合物(也称为半霍斯勒化合物)由于其在自旋电子器件中的潜在应用,目前处于科学研究的前沿。与其他半 Heusler 不同,p0(d0)-d 化合物在 C1b 结构的典型变体中似乎不会结晶。我们使用第一性原理从头算电子能带结构计算,研究了 p0-d Heusler 化合物 LiYGa 和 LiYGe 中的这种现象,其中 Y 在 Ca 和 Zn 之间变化。我们研究了这些化合物与三种可能的 C1b 结构相关的电子和磁性特性。值得注意的是,LiVGa、LiVGe、LiMnGa 和 LiCrGe 都是 C1b 晶格结构的所有三种变体的半金属铁磁体。我们的研究结果将为这些化合物的未来实验研究奠定基础。
更新日期:2024-07-30
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