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Journal Articles

Surface desorption properties of hydrogen-terminated diamond detected by micromechanical resonator

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Keyun Gu, Zilong Zhang, Jian Huang, Yasuo Koide, Satoshi Koizumi, Meiyong Liao
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 221901 (2025)
https://doi.org/10.1063/5.0274650
Published: June 2025
View article titled, Surface desorption properties of hydrogen-terminated diamond detected by micromechanical resonator
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Journal Articles

High-order resonance enhancing the mass sensitivity of diamond cantilevers

Open Access
Wen Zhao, Guo Chen, Keyun Gu, Masaya Toda, Yasuo Koide, Meiyong Liao
Journal: APL Materials
APL Mater. 13, 041124 (2025)
https://doi.org/10.1063/5.0250902
Published: April 2025
View article titled, High-order resonance enhancing the mass sensitivity of diamond cantilevers
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Journal Articles

A perspective on diamond MEMS magnetic sensors

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Zilong Zhang, Keyun Gu, Masaya Toda, Meiyong Liao
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 100501 (2025)
https://doi.org/10.1063/5.0255014
Published: March 2025
View article titled, A perspective on diamond MEMS magnetic sensors
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Journal Articles

Elastic strain engineered nanomechanical GaN resonators with thermoelastic dissipation dilution up to 600 K

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Huanying Sun, Liwen Sang, Xiulin Shen, Xuelin Yang, Tiefu Li, J. Q. You, Bo Shen, Meiyong Liao
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 054502 (2022)
https://doi.org/10.1063/5.0080227
Published: February 2022
View article titled, Elastic strain engineered nanomechanical GaN resonators with thermoelastic dissipation dilution up to 600 K
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Includes: Supplementary data
Journal Articles

Polarization-induced hole doping for long-wavelength In-rich InGaN solar cells

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Liwen Sang, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Xuelin Yang, Bo Shen
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 202103 (2021)
https://doi.org/10.1063/5.0071506
Published: November 2021
View article titled, Polarization-induced hole doping for long-wavelength In-rich InGaN solar cells
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Journal Articles

Highly efficient diamond electromechanical transducer based on released metal–oxide–semiconductor structure

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Meiyong Liao, Liwen Sang, Huanying Sun, Tiefu Li, Satoshi Koizumi
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 073504 (2021)
https://doi.org/10.1063/5.0058646
Published: August 2021
View article titled, Highly efficient diamond electromechanical transducer based on released metal–oxide–semiconductor structure
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Journal Articles

Boosting the doping efficiency of Mg in p-GaN grown on the free-standing GaN substrates

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Liwen Sang, Bing Ren, Raimu Endo, Takuya Masuda, Hideyuki Yasufuku, Meiyong Liao, Toshihide Nabatame, Masatomo Sumiya, Yasuo Koide
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 172103 (2019)
https://doi.org/10.1063/1.5124904
Published: October 2019
View article titled, Boosting the doping efficiency of Mg in p-GaN grown on the free-standing GaN substrates
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Includes: Supplementary data
Journal Articles

Suppression in the electrical hysteresis by using CaF2 dielectric layer for p-GaN MIS capacitors

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Liwen Sang, Bing Ren, Meiyong Liao, Yasuo Koide, Masatomo Sumiya
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 161423 (2018)
https://doi.org/10.1063/1.5010952
Published: March 2018
View article titled, Suppression in the electrical hysteresis by using CaF2 dielectric layer for p-GaN MIS capacitors
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Journal Articles

A density functional study of the effect of hydrogen on electronic properties and band discontinuity at anatase TiO2/diamond interface

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Kongping Wu, Meiyong Liao, Liwen Sang, Jiangwei Liu, Masataka Imura, Haitao Ye, Yasuo Koide
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 161599 (2018)
https://doi.org/10.1063/1.5002176
Published: February 2018
View article titled, A density functional study of the effect of hydrogen on electronic properties and band discontinuity at anatase TiO2/diamond interface
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Journal Articles

Initial leakage current paths in the vertical-type GaN-on-GaN Schottky barrier diodes

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Liwen Sang, Bing Ren, Masatomo Sumiya, Meiyong Liao, Yasuo Koide, Atsushi Tanaka, Yujin Cho, Yoshitomo Harada, Toshihide Nabatame, Takashi Sekiguchi, Shigeyoshi Usami, Yoshio Honda, Hiroshi Amano
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 122102 (2017)
https://doi.org/10.1063/1.4994627
Published: September 2017
View article titled, Initial leakage current paths in the vertical-type GaN-on-GaN Schottky barrier diodes
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Journal Articles

Effect of off-cut angle of hydrogen-terminated diamond(111) substrate on the quality of AlN towards high-density AlN/diamond(111) interface hole channel

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Masataka Imura, Ryan G. Banal, Meiyong Liao, Jiangwei Liu, Takashi Aizawa, Akihiro Tanaka, Hideo Iwai, Takaaki Mano, Yasuo Koide
Journal: Journal of Applied Physics
J. Appl. Phys. 121, 025702 (2017)
https://doi.org/10.1063/1.4972979
Published: January 2017
View article titled, Effect of off-cut angle of hydrogen-terminated diamond(111) substrate on the quality of AlN towards high-density AlN/diamond(111) interface hole channel
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Journal Articles

Investigation on the interfacial chemical state and band alignment for the sputtering-deposited CaF2/p-GaN heterojunction by angle-resolved X-ray photoelectron spectroscopy

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Kexiong Zhang, Meiyong Liao, Masatomo Sumiya, Yasuo Koide, Liwen Sang
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 185305 (2016)
https://doi.org/10.1063/1.4967394
Published: November 2016
View article titled, Investigation on the interfacial chemical state and band alignment for the sputtering-deposited CaF2/p-GaN heterojunction by angle-resolved X-ray photoelectron spectroscopy
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Journal Articles

Assembly of a high-dielectric constant thin TiOx layer directly on H-terminated semiconductor diamond

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Jing Zhao, Jiangwei Liu, Liwen Sang, Meiyong Liao, David Coathup, Masataka Imura, Baogui Shi, Changzhi Gu, Yasuo Koide, Haitao Ye
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 012105 (2016)
https://doi.org/10.1063/1.4939650
Published: January 2016
View article titled, Assembly of a high-dielectric constant thin TiOx layer directly on H-terminated semiconductor diamond
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Journal Articles

InGaN-based thin film solar cells: Epitaxy, structural design, and photovoltaic properties

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Liwen Sang, Meiyong Liao, Yasuo Koide, Masatomo Sumiya
Journal: Journal of Applied Physics
J. Appl. Phys. 117, 105706 (2015)
https://doi.org/10.1063/1.4914908
Published: March 2015
View article titled, InGaN-based thin film solar cells: Epitaxy, structural design, and photovoltaic properties
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Journal Articles

Impedance analysis of Al2O3/H-terminated diamond metal-oxide-semiconductor structures

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Meiyong Liao, Jiangwei Liu, Liwen Sang, David Coathup, Jiangling Li, Masataka Imura, Yasuo Koide, Haitao Ye
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 083506 (2015)
https://doi.org/10.1063/1.4913597
Published: February 2015
View article titled, Impedance analysis of Al2O3/H-terminated diamond metal-oxide-semiconductor structures
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Includes: Supplementary data
Journal Articles

Energy dissipation in micron- and submicron-thick single crystal diamond mechanical resonators

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Meiyong Liao, Masaya Toda, Liwen Sang, Shunichi Hishita, Shuji Tanaka, Yasuo Koide
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 251904 (2014)
https://doi.org/10.1063/1.4904990
Published: December 2014
View article titled, Energy dissipation in micron- and submicron-thick single crystal diamond mechanical resonators
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Includes: Supplementary data
Journal Articles

Systematic investigation of surface and bulk electronic structure of undoped In-polar InN epilayers by hard X-ray photoelectron spectroscopy

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Masataka Imura, Shunsuke Tsuda, Takahiro Nagata, Hiroyuki Takeda, Meiyong Liao, AnLi Yang, Yoshiyuki Yamashita, Hideki Yoshikawa, Yasuo Koide, Keisuke Kobayashi, Tomohiro Yamaguchi, Masamitsu Kaneko, Nao Uematsu, Tsutomu Araki, Yasushi Nanishi
Journal: Journal of Applied Physics
J. Appl. Phys. 114, 033505 (2013)
https://doi.org/10.1063/1.4812570
Published: July 2013
View article titled, Systematic investigation of surface and bulk electronic structure of undoped In-polar InN epilayers by hard X-ray photoelectron spectroscopy
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Journal Articles

Integration of high-dielectric constant Ta2O5 oxides on diamond for power devices

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Shaoheng Cheng, Liwen Sang, Meiyong Liao, Jiangwei Liu, Masataka Imura, Hongdong Li, Yasuo Koide
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 232907 (2012)
https://doi.org/10.1063/1.4770059
Published: December 2012
View article titled, Integration of high-dielectric constant Ta2O5 oxides on diamond for power devices
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Journal Articles

Enhanced performance of InGaN solar cell by using a super-thin AlN interlayer

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Liwen Sang, Meiyong Liao, Naoki Ikeda, Yasuo Koide, Masatomo Sumiya
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 161109 (2011)
https://doi.org/10.1063/1.3654155
Published: October 2011
View article titled, Enhanced performance of InGaN solar cell by using a super-thin AlN interlayer
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Journal Articles

High-temperature ultraviolet detection based on InGaN Schottky photodiodes

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Liwen Sang, Meiyong Liao, Yasuo Koide, Masatomo Sumiya
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 031115 (2011)
https://doi.org/10.1063/1.3615291
Published: July 2011
View article titled, High-temperature ultraviolet detection based on InGaN Schottky photodiodes
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