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Li-Wei Tu
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Journal Articles

Observation of surface oxidation resistant Shubnikov-de Haas oscillations in Sb2SeTe2 topological insulator

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Shiu-Ming Huang, Chih-Yang Huang, Shih-Jhe Huang, Ching Hsu, Shih-Hsun Yu, Mitch Chou, Paritosh V. Wadekar, Quark Yung-Sung Chen, Li-Wei Tu
Journal: Journal of Applied Physics
J. Appl. Phys. 121, 054311 (2017)
https://doi.org/10.1063/1.4975621
Published: February 2017
View article titled, Observation of surface oxidation resistant Shubnikov-de Haas oscillations in Sb2SeTe2 topological insulator
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Journal Articles

Water-modulated oxidation in the growth of m-ZnO epitaxial thin film by atomic layer deposition

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Wan-Chen Hsieh, Paritosh Vilas Wadekar, Hua-Huei Liu, Chiao-Han Lee, Chun-Fu Chang, Li-Wei Tu, Shou-Ting You, Quark Yungsung Chen, Hui-Chun Huang, New-Jin Ho, Hye-Won Seo, Wei-Kan Chu
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 35, 021511 (2017)
https://doi.org/10.1116/1.4975073
Published: February 2017
View article titled, Water-modulated oxidation in the growth of m-ZnO epitaxial thin film by atomic layer deposition
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Journal Articles

Effects of mid-gap defects and barrier interface reactions on tunneling behaviors of ZnO-i-Si heterojunctions

Open Access
Chun-Fu Chang, Paritosh V. Wadekar, Wan-Chen Hsieh, Wen-Yen Lin, Yu-Sheng Wang, Jun-Hau Wang, Jyun-Jie Lin, Hui-Chun Huang, Ching-Wen Chang, Li-Wei Tu, Chih-Hsiung Liao, Hua-Hsien Liao, New-Jin Ho, Hye-Won Seo, Quark Y. Chen, Wei-Kan Chu
Journal: AIP Advances
AIP Advances 6, 075018 (2016)
https://doi.org/10.1063/1.4960012
Published: July 2016
View article titled, Effects of mid-gap defects and barrier interface reactions on tunneling behaviors of ZnO-i-Si heterojunctions
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Includes: Supplementary data
Journal Articles

Experimental and theoretical study of polarized photoluminescence caused by anisotropic strain relaxation in nonpolar a-plane textured ZnO grown by a low-pressure chemical vapor deposition

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Chih-Ming Lai, Yu-En Huang, Kuang-Yang Kou, Chien-Hsun Chen, Li-Wei Tu, Shih-Wei Feng
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 022110 (2015)
https://doi.org/10.1063/1.4926978
Published: July 2015
View article titled, Experimental and theoretical study of polarized photoluminescence caused by anisotropic strain relaxation in nonpolar a-plane textured ZnO grown by a low-pressure chemical vapor deposition
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Journal Articles

Interplay of the photovoltaic and photoconductive operation modes in visible-blind photodetectors based on axial p-i-n junction GaN nanowires

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G. Jacopin, A. De Luna Bugallo, L. Rigutti, P. Lavenus, F. H. Julien, Yuan-Ting Lin, Li-Wei Tu, M. Tchernycheva
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 023116 (2014)
https://doi.org/10.1063/1.4860968
Published: January 2014
View article titled, Interplay of the photovoltaic and photoconductive operation modes in visible-blind photodetectors based on axial p-i-n junction GaN nanowires
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Journal Articles

Anisotropic strain relaxation and the resulting degree of polarization by one- and two-step growth in nonpolar a-plane GaN grown on r-sapphire substrate

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Shih-Wei Feng, Yu-Yu Chen, Chih-Ming Lai, Li-Wei Tu, Jung Han
Journal: Journal of Applied Physics
J. Appl. Phys. 114, 233103 (2013)
https://doi.org/10.1063/1.4851755
Published: December 2013
View article titled, Anisotropic strain relaxation and the resulting degree of polarization by one- and two-step growth in nonpolar a-plane GaN grown on r-sapphire substrate
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Journal Articles

Thermal annealing effect on material characterizations of β-Ga2O3 epilayer grown by metal organic chemical vapor deposition

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Chiung-Yi Huang, Ray-Hua Horng, Dong-Sing Wuu, Li-Wei Tu, Hsiang-Shun Kao
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 011119 (2013)
https://doi.org/10.1063/1.4773247
Published: January 2013
View article titled, Thermal annealing effect on material characterizations of β-Ga2O3 epilayer grown by metal organic chemical vapor deposition
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Journal Articles

Confined acoustic vibrations in piezoelectric GaN nanorods

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Pierre-Adrien Mante, Hung-Pin Chen, Yueh-Chun Wu, Cheng-Ying Ho, Li-Wei Tu, Jinn-Kong Sheu, Chi-Kuang Sun
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1506, 2–8 (2012)
https://doi.org/10.1063/1.4772516
Published: December 2012
View article titled, Confined acoustic vibrations in piezoelectric GaN nanorods
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Journal Articles

Using hole screening effect on hole–phonon interaction to estimate hole density in Mg-doped InN

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Yi-En Su, Yu-Chieh Wen, Yu-Liang Hong, Hong-Mao Lee, Shangjr Gwo, Yuan-Ting Lin, Li-Wei Tu, Hsiang-Lin Liu, Chi-Kuang Sun
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 252106 (2011)
https://doi.org/10.1063/1.3591974
Published: June 2011
View article titled, Using hole screening effect on hole–phonon interaction to estimate hole density in Mg-doped InN
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Journal Articles

Theoretical simulations of the effects of the indium content, thickness, and defect density of the i -layer on the performance of p - i - n InGaN single homojunction solar cells

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Shih-Wei Feng, Chih-Ming Lai, Chien-Hsun Chen, Wen-Ching Sun, Li-Wei Tu
Journal: Journal of Applied Physics
J. Appl. Phys. 108, 093118 (2010)
https://doi.org/10.1063/1.3484040
Published: November 2010
View article titled, Theoretical simulations of the effects of the indium content, thickness, and defect density of the i -layer on the performance of p - i - n InGaN single homojunction solar cells
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Journal Articles

m -plane ( 10 1 ̱ 0 ) InN heteroepitaxied on ( 100 ) - γ -LiAlO 2 substrate: Growth orientation control and characterization of structural and optical anisotropy

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Ching-Lien Hsiao, Jr-Tai Chen, Hsu-Cheng Hsu, Ying-Chieh Liao, Po-Han Tseng, Yen-Ting Chen, Zhe Chuan Feng, Li-Wei Tu, Mitch M. C. Chou, Li-Chyong Chen, Kuei-Hsien Chen
Journal: Journal of Applied Physics
J. Appl. Phys. 107, 073502 (2010)
https://doi.org/10.1063/1.3359680
Published: April 2010
View article titled, m -plane ( 10 1 ̱ 0 ) InN heteroepitaxied on ( 100 ) - γ -LiAlO 2 substrate: Growth orientation control and characterization of structural and optical anisotropy
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Journal Articles

Scanning tunneling microscopy and spectroscopy of the electronic structure of dislocations in GaN/Si(111) grown by molecular-beam epitaxy

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Ya-Ping Chiu, Bo-Chih Chen, Bo-Chao Huang, Min-Chuan Shih, Li-Wei Tu
Journal: Applied Physics Letters
Appl. Phys. Lett. 96, 082107 (2010)
https://doi.org/10.1063/1.3319512
Published: February 2010
View article titled, Scanning tunneling microscopy and spectroscopy of the electronic structure of dislocations in GaN/Si(111) grown by molecular-beam epitaxy
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Journal Articles

Photoluminescence spectroscopy of nearly defect-free InN microcrystals exhibiting nondegenerate semiconductor behaviors

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Ching-Lien Hsiao, Hsu-Cheng Hsu, Li-Chyong Chen, Chien-Ting Wu, Chun-Wei Chen, Min Chen, Li-Wei Tu, Kuei-Hsien Chen
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 181912 (2007)
https://doi.org/10.1063/1.2804568
Published: November 2007
View article titled, Photoluminescence spectroscopy of nearly defect-free InN microcrystals exhibiting nondegenerate semiconductor behaviors
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Journal Articles

Mechanism for persistent hexagonal island formation in AlN buffer layer during growth on Si (111) by plasma-assisted molecular beam epitaxy

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Kuang-Yuan Hsu, Hung-Chin Chung, Chuan-Pu Liu, Li-Wei Tu
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 211902 (2007)
https://doi.org/10.1063/1.2741054
Published: May 2007
View article titled, Mechanism for persistent hexagonal island formation in AlN buffer layer during growth on Si (111) by plasma-assisted molecular beam epitaxy
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Journal Articles

Huge positive magnetoresistance in an InN film

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C.-T. Liang, Zhi-Hao Sun, Ching-Lien Hsiao, M. Z. Hsu, Li-Wei Tu, Jyun-Ying Lin, Jing-Han Chen, Y. F. Chen, Chien Ting Wu
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 172101 (2007)
https://doi.org/10.1063/1.2730755
Published: April 2007
View article titled, Huge positive magnetoresistance in an InN film
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Journal Articles

Micro-Raman spectroscopy of a single freestanding GaN nanorod grown by molecular beam epitaxy

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Ching-Lien Hsiao, Li-Wei Tu, Tung-Wei Chi, Min Chen, Tai-Fa Young, Chih-Ta Chia, Yu-Ming Chang
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 043102 (2007)
https://doi.org/10.1063/1.2433034
Published: January 2007
View article titled, Micro-Raman spectroscopy of a single freestanding GaN nanorod grown by molecular beam epitaxy
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Journal Articles

Effect of N to Ga flux ratio on the GaN surface morphologies grown at high temperature by plasma-assisted molecular-beam epitaxy

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Jenn-Kai Tsai, Ikai Lo, Keng-Lin Chuang, Li-Wei Tu, Ji-Hao Huang, Chia-Ho Hsieh, Kung-Yu Hsieh
Journal: Journal of Applied Physics
J. Appl. Phys. 95, 460–465 (2004)
https://doi.org/10.1063/1.1634388
Published: January 2004
View article titled, Effect of N to Ga flux ratio on the GaN surface morphologies grown at high temperature by plasma-assisted molecular-beam epitaxy
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Journal Articles

Piezoelectric effect on Al 0.35−δ In δ Ga 0.65 N / GaN heterostructures

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Ikai Lo, J. K. Tsai, Li-Wei Tu, K. Y. Hsieh, M. H. Tsai, C. S. Liu, J. H. Huang, S. Elhamri, W. C. Mitchel, J. K. Sheu
Journal: Applied Physics Letters
Appl. Phys. Lett. 80, 2684–2686 (2002)
https://doi.org/10.1063/1.1469209
Published: April 2002
View article titled, Piezoelectric effect on Al 0.35−δ In δ Ga 0.65 N / GaN heterostructures
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Journal Articles

Effect of threading dislocations on electron transport in In 0.24 Ga 0.76 N/GaN multiple quantum wells

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Ikai Lo, K. Y. Hsieh, S. L. Hwang, Li-Wei Tu, W. C. Mitchel, A. W. Saxler
Journal: Applied Physics Letters
Appl. Phys. Lett. 74, 2167–2169 (1999)
https://doi.org/10.1063/1.123789
Published: April 1999
View article titled, Effect of threading dislocations on electron transport in In 0.24 Ga 0.76 N/GaN multiple quantum wells
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Journal Articles

Transparent conductive metal‐oxide contacts in vertical‐injection top‐emitting quantum well lasers

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Li‐Wei Tu, E. Fred Schubert, Hank M. O’Bryan, Yeong‐Her Wang, Bonnie E. Weir, George J. Zydzik, Alfred Y. Cho
Journal: Applied Physics Letters
Appl. Phys. Lett. 58, 790–792 (1991)
https://doi.org/10.1063/1.104517
Published: February 1991
View article titled, Transparent conductive metal‐oxide contacts in vertical‐injection top‐emitting quantum well lasers
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