Anisotropic carrier mobility in buckled two-dimensional GaN

Literature Information

Publication Date 2017-08-10
DOI 10.1039/C7CP04117A
Impact Factor 3.676
Authors

Lijia Tong, Junjie He, Min Yang, Zheng Chen, Jing Zhang, Yanli Lu, Ziyuan Zhao


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Abstract

Developing nanoelectronic engineering requires two-dimensional (2d) materials with both usable carrier mobility and proper large band-gap. In this study, we present a detailed theoretical investigation of the intrinsic carrier mobilities of buckled 2d GaN. This buckled 2d GaN is accessed by hydrofluorination (FGaNH) and hydrogenation (HGaNH). We predict that the anisotropic carrier mobilities of buckled 2d GaN can exceed those of 2d MoS2 and can be altered by an alterable surface chemical bond (convert from a Ga–F–Ga bond of FGaNH to a Ga–H bond of HGaNH). Moreover, converting FGaNH to HGaNH can significantly suppress hole mobility (even close to zero) and result in a transition from a p-type-like semiconductor (FGaNH) to an n-type-like semiconductor (HGaNH). These features make buckled 2d GaN a promising candidate for application in future conductivity-adjustable electronics.

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Inside front cover

Front/Back Matter

DOI: 10.1039/C1PY90005F

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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