Local structure around Ga in ultrafine GaN/ZnO coaxial nanorod heterostructures

S. W. Han; H. J. Yoo; Sung Jin An; Jinkyoung Yoo; Gyu Chul Yi

doi:10.1063/1.2185627

Local structure around Ga in ultrafine GaN/ZnO coaxial nanorod heterostructures

S. W. Han
, H. J. Yoo
, Sung Jin An
, Jinkyoung Yoo
, Gyu Chul Yi

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

10 Scopus citations

Abstract

The structure of tubular GaN coaxially grown on ZnO nanorods with thickness of 6-12 nm was investigated using x-ray absorption fine structure (XAFS) at the Ga K edge. The XAFS measurements revealed that the GaN had a distorted-wurtzite structure, and that there were more distortions in the bond length of Ga-Ga pairs than in Ga-N pairs. However, no extra disorders were observed in any of the pairs. These results strongly suggest that Ga atoms first bonded to the ZnO template. Unlike other techniques, the XAFS determines structure around a selected species atom in nano-heterostructures.

Original language	English
Article number	111910
Journal	Applied Physics Letters
Volume	88
Issue number	11
DOIs	https://doi.org/10.1063/1.2185627
State	Published - Mar 30 2006
Externally published	Yes

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10.1063/1.2185627

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title = "Local structure around Ga in ultrafine GaN/ZnO coaxial nanorod heterostructures",

abstract = "The structure of tubular GaN coaxially grown on ZnO nanorods with thickness of 6-12 nm was investigated using x-ray absorption fine structure (XAFS) at the Ga K edge. The XAFS measurements revealed that the GaN had a distorted-wurtzite structure, and that there were more distortions in the bond length of Ga-Ga pairs than in Ga-N pairs. However, no extra disorders were observed in any of the pairs. These results strongly suggest that Ga atoms first bonded to the ZnO template. Unlike other techniques, the XAFS determines structure around a selected species atom in nano-heterostructures.",

author = "Han, \{S. W.\} and Yoo, \{H. J.\} and An, \{Sung Jin\} and Jinkyoung Yoo and Yi, \{Gyu Chul\}",

year = "2006",

month = mar,

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doi = "10.1063/1.2185627",

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volume = "88",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

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T1 - Local structure around Ga in ultrafine GaN/ZnO coaxial nanorod heterostructures

AU - Han, S. W.

AU - Yoo, H. J.

AU - An, Sung Jin

AU - Yoo, Jinkyoung

AU - Yi, Gyu Chul

PY - 2006/3/30

Y1 - 2006/3/30

N2 - The structure of tubular GaN coaxially grown on ZnO nanorods with thickness of 6-12 nm was investigated using x-ray absorption fine structure (XAFS) at the Ga K edge. The XAFS measurements revealed that the GaN had a distorted-wurtzite structure, and that there were more distortions in the bond length of Ga-Ga pairs than in Ga-N pairs. However, no extra disorders were observed in any of the pairs. These results strongly suggest that Ga atoms first bonded to the ZnO template. Unlike other techniques, the XAFS determines structure around a selected species atom in nano-heterostructures.

AB - The structure of tubular GaN coaxially grown on ZnO nanorods with thickness of 6-12 nm was investigated using x-ray absorption fine structure (XAFS) at the Ga K edge. The XAFS measurements revealed that the GaN had a distorted-wurtzite structure, and that there were more distortions in the bond length of Ga-Ga pairs than in Ga-N pairs. However, no extra disorders were observed in any of the pairs. These results strongly suggest that Ga atoms first bonded to the ZnO template. Unlike other techniques, the XAFS determines structure around a selected species atom in nano-heterostructures.

UR - https://www.scopus.com/pages/publications/33645135598

U2 - 10.1063/1.2185627

DO - 10.1063/1.2185627

M3 - Article

SN - 0003-6951

VL - 88

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 11

M1 - 111910

ER -

Local structure around Ga in ultrafine GaN/ZnO coaxial nanorod heterostructures

Abstract

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