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Heterostructure engineering for wurtzite LaN

delete2025-05-20
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PRE
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Andrew J. E. Rowberg
S
Sai Mu
DOI:10.1063/5.0255815delete
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摘要

摘要

En 中文
纤锌矿结构氮化镧(wz-LaN)是一种具有优良压电和铁电特性的半导体氮化物,使其在电子学应用中具有广阔前景。我们采用含杂化泛函的第一性原理密度泛函理论,研究了其在异质结构应用中的若干关键特性。首先,为在衬底上生长wz-LaN或设计异质结构,我们证明其可沿立方材料的[111]轴与多种立方材料实现晶格匹配。我们还评估了此类界面处的束缚电荷,同时考虑了极化不连续性和由拟形态应变引起的压电极化。其次,我们研究了能带对齐情况,并评估了与闪锌矿结构、岩盐结构和钙钛矿结构化合物,以及化学性质相似的纤锌矿和岩盐结构氮化物的界面结果。我们的结果为基于wz-LaN的电子器件开发提供了指导。
Keyword:
PIEZOELECTRIC POLARIZATION
ELECTRONIC-PROPERTIES
ENHANCEMENT
ABSORPTION
EXCHANGE

期刊

Journal of Chemical Physics 封面图
Journal of Chemical Physics
IF:
3.1
论文数:
7.2W
被引数:
23.2W

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