Journal Papers
C. W. Chang*, Y. N. Hsu, Y. H. Yang, J. W. Zhang, S. W. Chang, Q. Y. Chen, K. K. Kuo*, S. T. Hung, K. H. Cheng, S. Hsieh, H. Y. Wang, Y. Sun, and L. W. Tu*, A Fast CA 19-9 Screening for pancreatic cancer clinical trials utilizing AlGaN/GaN high electron mobility transistors, IEEE Sensors Journal, Accepted.
C. W. Chang*, C. T. Huang, J. S. Wu, Z. H. Song, C. H. Liao, Q. Dang, Y. J. Lu, H. W. H. Lee, H. Ahn, and S. Gwo*, Ultrathin titanium nitride epitaxial structures for tunable infrared plasmonics, Journal of Physical Chemistry C, V.127, 21186–21193 (2023).
I. H. Ho, C. W. Chang, S. K. Wen, Y. J. Lu, S. Gwo, and H. Ahn*, Transient optical properties of titanium aluminum nitride (Ti1–xAlxN) epilayers, Journal of Physical Chemistry C, V. 127, 13731–13739 (2023).
R. Mishra, A. Dubey, C. W. Chang, A. Ranjan, M. Y. Lu, T. J. Yen, S. Gwo*, Epitaxial TiN/GaN heterostructure for efficient photonic energy harvesting, ACS Photonics, V. 9, 1895-1901 (2022).
I. H. Ho, C. W. Chang, Y. L. Chen, W. Y. Chang, T. J. Kuo, Y. J. Lu, S. Gwo*, H. Ahn*, Ultrathin TiN epitaxial films as transparent conductive electrodes, ACS Applied Materials & Interfaces, V. 14, 16839-16845 (2022).
C. M. Lin, C. F. Chang, W. C. Hsieh, C. W. Chang, Y. Y. Zheng, S. W. Yeh, C. J. Su, Y. C. Lin, Y. H. Yu, C. W. Chen, C. C. Kei, C. H. Liao, K. S. Huang, K. T. Huang, D. Chen, W. K. Chu, L. W. Tu, P. V. Wadekar*, T. C. Leung*, H. W. Seo, B. Y. Liaw, Q. Y. Chen*, Electrically tunable bandgaps for g-ZnO/ZnX (X= S, Se, Te) 2D semiconductor bilayers, Vacuum, V. 192, 110386 (2021).
R. Mishra, C. W. Chang, A. Dubey, Z. Y. Chiao, T. J. Yen, H. W. H. Lee, Y. J. Lu, S. Gwo*, Optimized titanium nitride epitaxial film for refractory plasmonics and solar energy harvesting, Journal of Physical Chemistry C, V. 125, 13658-13665 (2021).
K. Minn, A. Anopchenko, C. W. Chang, R. Mishra, J. Kim, Z. Zhang, Y. J. Lu, S. Gwo, H. W. H. Lee*, Enhanced Spontaneous Emission of Monolayer MoS2 on Epitaxially Grown Titanium Nitride Epsilon-Near-Zero Thin Films, Nano Letters, V. 21, 4928-4936 (2021).
V. Soni, C. W. Chang*, X. Xu, C. Wang, H. Yan, M. D’Agati, L. W. Tu, Q. Y. Chen, H. Tian, Ray T. Chen*, Portable automatic microring resonator system for high-sensitivity real-time optical-biosensing application based on subwavelength grating metamaterial waveguide, IEEE Transactions on Biomedical Engineering, V. 68, 1894-1902 (2021).
P. V. Wadekar, C. L. Xu, C. W. Chang, C. H. Lin, J. H. Yen, Q. Y. Chen, L. W. Tu*, Effects of Si doping on the ferromagnetic properties of delta doped GaMnN nanorods, Applied Physics Letters, V. 117, 262404 (2020).
C. W. Cheng, S. S. Raja, C. W. Chang, X. Q. Zhang, P. Y. Liu, Y. H. Lee, C. K. Shih and S. Gwo*, Epitaxial aluminum plasmonics covering full visible spectrum, Nanophotonics, V. 15, 627 (2020).
C. W. Chang, P. V. Wadekar, H. C. Huang, Q. Y. Chen, Y. R. Wu and L. W. Tu*, Light trapping induced high short-circuit current density in III-nitride nanorods/Si (111) heterojunction solar cells, Nanoscale Research Letters, V. 15, 167 (2020).
P. V. Wadekar, Y. T. Lin, C. M. Lin, C. W. Chang, Q. Y. Chen, T. C. Leung, C. M. Cheng and L.W. Tu*, Intrinsic ferromagnetism and anomalous Hall effect in GaN thin film by Mn delta doping, Journal of Alloys and Compounds, V. 834,154892 (2020).
C. W. Chang, X. Xu*, S. Chakravarty, H. C. Huang, L. W. Tu, Q. Y. Chen, H. Dalir, Michael A. Krainak and Ray T. Chen*, Pedestal subwavelength grating metamaterial waveguide ring resonator for ultra-sensitive label-free biosensing, Biosensors and Bioelectronics, V. 141, 111396 (2019).
X. Xu, Z. Pan, C. J. Chung, C. W. Chang, H. Yan, Ray T. Chen*, Subwavelength Grating Metamaterial Racetrack Resonator for Sensing and Modulation, IEEE Journal of Selected Topics in Quantum Electronics, V. 25, 5900108 (2019).
P. V. Wadekar, C. W. Chang, Y. J. Zheng, S. S. Guo, W. C. Hsieh, C. M. Cheng, M. H. Ma, W. C. Lai, J. K. Sheu, Q. Y. Chen, L. W. Tu*, Mn valence state mediated room temperature ferromagnetism in nonpolar Mn doped GaN, c, V. 473, 693 (2019).
C. W. Chang, P. H. Chen, S. H. Wang, S. Y. Hsu, W. T. Hsu, C. C. Tsai, P. V. Wadekar, S. Puttaswamy, K. H. Cheng, S. Hsieh, H. Y. J. Wang, K. K. Kuo, Y. Sun, and L. W. Tu*, Fast detection of tumor marker CA 19-9 using AlGaN/GaN high electron mobility transistors, Sensors & Actuators, B: Chemical, V. 267, 191 (2018).
C. W. Chang, P. V. Wadekar, S. S. Guo, Y. J. Zheng, M. Chou, H. C. Huang, W. C. Hsieh, W. C. Lai, Q.Y. Chen, and L.W. Tu*, Controlling surface morphology and circumventing secondary phase formation in non-polar m-GaN by tuning nitrogen activity, Journal of Electronic Materials, V. 47, 359 (2018).
F. M. Hsiao, M. Schnedler, V. Portz, Y.-C. Huang, B. C. Huang, M. C. Shih, C. W. Chang, L. W. Tu, H. Eisele, R. E. Dunin-Borkowski, Ph. Ebert, and Y. P. Chiu, Probing defect states in polycrystalline GaN grown on Si(111) by sub-bandgap laser-excited scanning tunneling spectroscopy, Journal of Applied Physics, V.121, 015701 (2017).
C. F. Chang, P. V. Wadekar, W. C. Hsieh, W. Y. Lin, Y. S. Wang, J. H. Wang, J. J. Lin, H. C. Huang, C. W. Chang, L. W. Tu, C. H. Liao, H. H. Liao, N. J. Ho, H. W. Seo, Q. Y. Chen, and W. K. Chu, Effects of mid-gap defects and barrier interface reactions on tunneling behaviors of ZnO-i-Si heterojunctions, AIP Advances, V. 6, 075018 (2016).
C. K. Lee, C. M. Cheng, S. C. Weng, W. C. Chen, K. D. Tsuei, S. H. Yu, M. M. Chou, C. W. Chang, L. W. Tu, H. D. Yang, C. W. Luo, and M. M. Gospodinov, Robustness of a Topologically Protected Surface State in a Sb2Te2Se Single Crystal, Scientific Reports, V. 6, 36538 (2016).
C. T. Yu, W. C. Lai, C. H. Yen, C. W. Chang, L. W. Tu, and S. J. Chang, Conversion efficiency improvement of InGaN/GaN multiple-quantumwell solar cells with ex-situ AlN nucleation layer, IEEE Trans. Electron Devices, V. 62, 1473 (2015).
L. M. Yang, C. Y. Pan, F. P. Lu, C. W. Chang, S. W. Feng, and L. W. Tu, Anti-reflection sub-wavelength structures design for InGaN-based solar cells performed by the finite-difference-time-domain (FDTD) simulation method, Opt. & Laser Tech, V. 67, 72 (2015).
Y. A. Chang, F. M. Chen, Y. L. Tsai, C. W. Chang, K. J. Chen, S. R. Li, T. C. Lu, H. C. Kuo, Y. K. Kuo, P. Yu, C. C. Lin, and L. W. Tu, Fabrication and characterization of back-side illuminated InGaN/GaN solar cells with periodic via-holes etching and Bragg mirror processes, Opt. Express, V. 22, A1334 (2014).
C. P. Tsai, S. C. Hsu, S. Y. Lin, C. W. Chang, L. W. Tu, K. C. Chen, T. S. Lay, and C. C. Lin, Type II GaSb Quantum Ring Solar Cell under Concentrated Sunlight, Opt. Express, V. 22, A359 (2014).
P. V. Wadekar, Q. Y. Chen, H. C. Huang, Y. T. Lin, C. W. Chang, H. W. Seo, T. W. Dung, M. C. Chou, S. W. Feng, N. J. Ho, D. Wijesundera, W. K. Chu, and L. W. Tu, Growth and characterization of InxGa1-xN multiple quantum wells without phase separation, J. Electron Mater, V. 42, 838 (2013).
C. C. Tsai, G. H. Li, Y. T. Lin, C. W. Chang, P. V. Wadekar, Q. Y. Chen, L. Rigutti, M. Tchernycheva, F. H. Julien, and L. W. Tu, Cathodoluminescence spectra of gallium nitride nanorods, Nanoscale Res. Lett., V. 6, 631 (2011).
Book
C. W. Chang, R. Mishra, H. Ahn, H. W. H. Lee, and S. Gwo, Chapter 5 - Refractory plasmonic materials, Plasmonic Materials and Metastructures: Fundamentals, Current Status, and Perspectives Materials Today, 139–161 (2024), Elsevier, ISBN: 978-0-323-85379-8.