Structure and local chemical properties of boron-terminated tetravacancies in hexagonal boron nitride

Ovidiu Cretu; Yung Chang Lin; Masanori Koshino; Luiz H.G. Tizei; Zheng Liu; Kazutomo Suenaga

doi:10.1103/PhysRevLett.114.075502

Structure and local chemical properties of boron-terminated tetravacancies in hexagonal boron nitride

Ovidiu Cretu, Yung Chang Lin, Masanori Koshino, Luiz H.G. Tizei, Zheng Liu, Kazutomo Suenaga

National Institute of Advanced Industrial Science and Technology

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

35 Citations (Scopus)

Abstract

Imaging and spectroscopy performed in a low-voltage scanning transmission electron microscope are used to characterize the structure and chemical properties of boron-terminated tetravacancies in hexagonal boron nitride. We confirm earlier theoretical predictions about the structure of these defects and identify new features in the electron energy-loss spectra of B atoms using high resolution chemical maps, highlighting differences between these areas and pristine sample regions. We correlate our experimental data with calculations which help explain our observations.

Original language	English
Article number	075502
Journal	Physical Review Letters
Volume	114
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.114.075502
Publication status	Published - Feb 19 2015
Externally published	Yes

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Publisher Copyright:
© 2015 American Physical Society.

ASJC Scopus Subject Areas

General Physics and Astronomy

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10.1103/PhysRevLett.114.075502

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abstract = "Imaging and spectroscopy performed in a low-voltage scanning transmission electron microscope are used to characterize the structure and chemical properties of boron-terminated tetravacancies in hexagonal boron nitride. We confirm earlier theoretical predictions about the structure of these defects and identify new features in the electron energy-loss spectra of B atoms using high resolution chemical maps, highlighting differences between these areas and pristine sample regions. We correlate our experimental data with calculations which help explain our observations.",

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AU - Cretu, Ovidiu

AU - Lin, Yung Chang

AU - Koshino, Masanori

AU - Tizei, Luiz H.G.

AU - Liu, Zheng

AU - Suenaga, Kazutomo

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AB - Imaging and spectroscopy performed in a low-voltage scanning transmission electron microscope are used to characterize the structure and chemical properties of boron-terminated tetravacancies in hexagonal boron nitride. We confirm earlier theoretical predictions about the structure of these defects and identify new features in the electron energy-loss spectra of B atoms using high resolution chemical maps, highlighting differences between these areas and pristine sample regions. We correlate our experimental data with calculations which help explain our observations.

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Structure and local chemical properties of boron-terminated tetravacancies in hexagonal boron nitride

Abstract

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