Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation

Xiuqing Meng; Zhanghui Chen; Zhuo Chen; Fengmin Wu; Shu Shen Li; Jingbo Li; Junqiao Wu; Su Huai Wei

doi:10.1063/1.4850755

Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation

Xiuqing Meng, Zhanghui Chen, Zhuo Chen, Fengmin Wu, Shu Shen Li, Jingbo Li^*, Junqiao Wu, Su Huai Wei

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We demonstrate in this work controllable synthesis of cubic InN nanocrystals' through Mn doping. We show that the pristine nanocrystal has the wurtzite structure, but can be converted into the zinc-blende (ZB) structure when it is doped with Mn. Our first-principles calculations show that the phase transition is caused by the stronger p-d coupling between the host p valence state and the impurity d level in the ZB structure, which makes the hole generation in the ZB structure easier. Quantum confinement in the nanocrystals further enhanced this effect. This observation lays an important foundation for defects control of crystal phases.

Original language	English
Article number	253102
Journal	Applied Physics Letters
Volume	103
Issue number	25
DOIs	https://doi.org/10.1063/1.4850755
Publication status	Published - 16 Dec 2013
Externally published	Yes

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title = "Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation",

abstract = "We demonstrate in this work controllable synthesis of cubic InN nanocrystals' through Mn doping. We show that the pristine nanocrystal has the wurtzite structure, but can be converted into the zinc-blende (ZB) structure when it is doped with Mn. Our first-principles calculations show that the phase transition is caused by the stronger p-d coupling between the host p valence state and the impurity d level in the ZB structure, which makes the hole generation in the ZB structure easier. Quantum confinement in the nanocrystals further enhanced this effect. This observation lays an important foundation for defects control of crystal phases.",

author = "Xiuqing Meng and Zhanghui Chen and Zhuo Chen and Fengmin Wu and Li, {Shu Shen} and Jingbo Li and Junqiao Wu and Wei, {Su Huai}",

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AU - Meng, Xiuqing

AU - Chen, Zhanghui

AU - Chen, Zhuo

AU - Wu, Fengmin

AU - Li, Shu Shen

AU - Li, Jingbo

AU - Wu, Junqiao

AU - Wei, Su Huai

PY - 2013/12/16

Y1 - 2013/12/16

N2 - We demonstrate in this work controllable synthesis of cubic InN nanocrystals' through Mn doping. We show that the pristine nanocrystal has the wurtzite structure, but can be converted into the zinc-blende (ZB) structure when it is doped with Mn. Our first-principles calculations show that the phase transition is caused by the stronger p-d coupling between the host p valence state and the impurity d level in the ZB structure, which makes the hole generation in the ZB structure easier. Quantum confinement in the nanocrystals further enhanced this effect. This observation lays an important foundation for defects control of crystal phases.

AB - We demonstrate in this work controllable synthesis of cubic InN nanocrystals' through Mn doping. We show that the pristine nanocrystal has the wurtzite structure, but can be converted into the zinc-blende (ZB) structure when it is doped with Mn. Our first-principles calculations show that the phase transition is caused by the stronger p-d coupling between the host p valence state and the impurity d level in the ZB structure, which makes the hole generation in the ZB structure easier. Quantum confinement in the nanocrystals further enhanced this effect. This observation lays an important foundation for defects control of crystal phases.

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VL - 103

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 25

M1 - 253102

ER -

Enhancing structural transition by carrier and quantum confinement: Stabilization of cubic InN quantum dots by Mn incorporation

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