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2012
1 Citation (Scopus)

AlGaN/GaN heterostructure field-effect transistor with semi-insulating Mg-doped GaN cap layer

Lee, K. H., Chang, P. C. & Chang, S. J., 2012 Dec 1, In : ECS Solid State Letters. 1, 1, p. Q14-Q16

Research output: Contribution to journalArticle

High electron mobility transistors
Cutoff frequency
Transconductance
Leakage currents
Heterojunctions

AlGaN/GaN MOS-HFETs based on InGaN/GaN MQW structures with Ta 2O 5 dielectric

Lee, K. H., Chang, P. C., Chang, S. J. & Yin, Y. C., 2012 Mar 1, In : EPJ Applied Physics. 57, 3, 30102.

Research output: Contribution to journalArticle

High electron mobility transistors
metal oxide semiconductors
Semiconductor quantum wells
field effect transistors
Metals
7 Citations (Scopus)

Align Ag nanorods via oxidation reduction growth using RF-sputtering

Hu, Z. S., Hung, F. Y., Chang, S. J., Hsieh, W. K. & Chen, K. J., 2012 Jul 16, In : Journal of Nanomaterials. 2012, 345086.

Research output: Contribution to journalArticle

Nanorods
Silver
Silver oxides
Sputtering
Photoluminescence
1 Citation (Scopus)

Amorphous IGZO nonvolatile memory thin film transistors using Ta 2O 5 gate dielectric

Chiu, C. J., Chang, S. P., Weng, W. Y. & Chang, S. J., 2012 Apr 2, Nanotechnology and Advanced Materials. p. 233-238 6 p. (Advanced Materials Research; vol. 486).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gate dielectrics
Thin film transistors
Data storage equipment
Gallium
Zinc oxide
98 Citations (Scopus)

A new tri-band bandpass filter based on stub-loaded step-impedance resonator

Chen, W. Y., Weng, M. H. & Chang, S. J., 2012 Apr 1, In : IEEE Microwave and Wireless Components Letters. 22, 4, p. 179-181 3 p., 6171882.

Research output: Contribution to journalArticle

Bandpass filters
bandpass filters
Resonators
resonators
impedance
45 Citations (Scopus)

A new tri-band bandpass filter for Gsm, wimax and ultra-wideband responses by using asymmetric stepped impedance resonators

Chen, W. Y., Weng, M. H., Chang, S. J., Kuan, H. & Su, Y. H., 2012 Jan 1, In : Progress in Electromagnetics Research. 124, p. 365-381 17 p.

Research output: Contribution to journalArticle

Wimax
Bandpass filters
bandpass filters
Ultra-wideband (UWB)
Resonators

A Si nanowire photovoltaic device prepared by selective electroless etching

Tsai, T. Y., Chang, S-J., Hsueh, T. J., Hsu, C. L., Weng, W. Y. & Shieh, J. M., 2012 Dec 4, In : IEEE Transactions on Nanotechnology. 11, 6, p. 1148-1150 3 p., 6294450.

Research output: Contribution to journalArticle

Photovoltaic cells
Nanowires
Etching
Short circuit currents
Conversion efficiency
10 Citations (Scopus)

A TiO 2 nanowire MIS photodetector with polymer insulator

Chang, S-J., Tsai, T. Y., Jiao, Z. Y., Chiu, C. J., Weng, W. Y., Wang, S. H., Hsu, C. L., Hsueh, T. J. & Wu, S. L., 2012 Oct 4, In : IEEE Electron Device Letters. 33, 11, p. 1577-1579 3 p., 6313882.

Research output: Contribution to journalArticle

Photodetectors
Nanowires
Polymers
Metals
Semiconductor materials
31 Citations (Scopus)

A visible-blind TiO 2 nanowire photodetector

Tsai, T. Y., Chang, S. J., Weng, W. Y., Hsu, C. L., Wang, S. H., Chiu, C. J., Hsueh, T. J. & Chang, S. P., 2012 Feb 29, In : Journal of the Electrochemical Society. 159, 4

Research output: Contribution to journalArticle

Photodetectors
Nanowires
Photocurrents
Dynamic response
Heating
20 Citations (Scopus)

Bending effects of ZnO nanorods metal-semiconductor-metal photodetectors on flexible polyimide substrate

Chen, T. P., Young, S. J., Chang, S. J., Hsiao, C. H. & Hsu, Y. J., 2012 May 11, In : Nanoscale Research Letters. 7

Research output: Contribution to journalArticle

Dark currents
Photodetectors
Nanorods
polyimides
Polyimides
4 Citations (Scopus)

Characteristics of GaN/InGaN double-heterostructure photovoltaic cells

Wu, M. H., Chang, S. P., Chang, S. J., Horng, R. H., Liao, W. Y. & Lin, R. M., 2012 Sep 17, In : International Journal of Photoenergy. 2012, 206174.

Research output: Contribution to journalArticle

Photovoltaic cells
photovoltaic cells
Heterojunctions
Chemical analysis
Conversion efficiency
8 Citations (Scopus)

Characteristics of InGaN-based light-emitting diodes on patterned sapphire substrates with various pattern heights

Yu, S. F., Chang, S. P., Chang, S. J., Lin, R. M., Wu, H. H. & Hsu, W. C., 2012 Aug 17, In : Journal of Nanomaterials. 2012, 346915.

Research output: Contribution to journalArticle

Aluminum Oxide
Sapphire
Light emitting diodes
Substrates
Organic Chemicals
1 Citation (Scopus)

Characteristics of thin-film-transistors based on Zn-In-Sn-O thin films prepared by co-sputtering system

Chen, K. J., Hung, F. Y., Lui, T. S., Chang, S. J. & Liao, T. Y., 2012 Apr 5, In : Materials Transactions. 53, 3, p. 571-574 4 p.

Research output: Contribution to journalArticle

Thin film transistors
Sputtering
transistors
sputtering
Thin films
13 Citations (Scopus)

Characterization of oxide tarps in 28nm p-type metal-oxide-semiconductor field-effect transistors with tip-shaped SiGe source/drain based on random telegraph noise

Wang, B. C., Wu, S. L., Huang, C. W., Lu, Y. Y., Chang, S. J., Lin, Y. M., Lee, K. H. & Cheng, O., 2012 Feb 1, In : Japanese journal of applied physics. 51, 2 PART 2, 02BC11.

Research output: Contribution to journalArticle

Telegraph
p-type semiconductors
MOSFET devices
metal oxide semiconductors
field effect transistors
2 Citations (Scopus)

Charge compensation and enhanced photoluminescence of Sr 2SiO4:Eu3+, Li+ phosphor

Chen, H. Y., Chang, S. J., Weng, M. H. & Yang, R. Y., 2012 Jan 1, Materials for Environmental Protection and Energy Application, MEPEA 2011. p. 106-111 6 p. (Advanced Materials Research; vol. 343-344).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phosphors
Photoluminescence
Ions
Strontium
Solid state reactions
8 Citations (Scopus)

Chemical oxide interfacial layer for the high-k-last/gate-last integration scheme

Chen, Y. T., Fu, S. I., Chiang, W. T., Lin, C. T., Tsai, S. H., Wang, S. W. & Chang, S. J., 2012 May 31, In : IEEE Electron Device Letters. 33, 7, p. 946-948 3 p., 6204313.

Research output: Contribution to journalArticle

Oxides
Annealing
Silicates
Leakage currents
Current density
3 Citations (Scopus)

Comparison studies of InGaN epitaxy with trimethylgallium and triethylgallium for photosensors application

Lee, K. H., Chang, P. C., Chang, S-J., Su, Y. K., Wu, S. L. & Pilkuhn, M., 2012 Jun 15, In : Materials Chemistry and Physics. 134, 2-3, p. 899-904 6 p.

Research output: Contribution to journalArticle

photosensors
Epitaxial layers
Metallorganic chemical vapor deposition
Epitaxial growth
Magnetron sputtering
10 Citations (Scopus)

Correlation between random telegraph noise and 1/f noise parameters in 28-nm pMOSFETs with tip-shaped SiGe source/drain

Wang, B. C., Wu, S. L., Huang, C. W., Lu, Y. Y., Chang, S. J., Lin, Y. M., Lee, K. H. & Cheng, O., 2012 May 29, In : IEEE Electron Device Letters. 33, 7, p. 928-930 3 p., 6203555.

Research output: Contribution to journalArticle

Telegraph
Valence bands
Oxides
Electron energy levels
29 Citations (Scopus)

CuO nanowire-based humidity sensor

Wang, S. B., Hsiao, C. H., Chang, S-J., Lam, K. T., Wen, K. H., Young, S. J., Hung, S. C. & Huang, B. R., 2012 May 8, In : IEEE Sensors Journal. 12, 6, p. 1884-1888 5 p., 6107512.

Research output: Contribution to journalArticle

Humidity sensors
Nanowires
humidity
nanowires
sensors
18 Citations (Scopus)

Deep UV Ta 2O 5/Zinc-indium-tin-oxide thin film photo-transistor

Chiu, C. J., Shih, S. S., Weng, W. Y., Chang, S. J., Hung, Z. D. & Tsai, T. Y., 2012 May 22, In : IEEE Photonics Technology Letters. 24, 12, p. 1018-1020 3 p., 6179308.

Research output: Contribution to journalArticle

Thin film transistors
Tin oxides
indium oxides
Indium
tin oxides
3 Citations (Scopus)

Effect of Ag film thickness on the crystallization mechanism and photoluminescence properties of ZnO/Ag nanoflower arrays

Hu, Z. S., Hung, F. Y., Chang, S. J., Huang, B. R., Lin, B. C., Hsieh, W. K. & Chen, K. J., 2012 Aug 1, In : Applied Surface Science. 258, 20, p. 8049-8054 6 p.

Research output: Contribution to journalArticle

Nanoflowers
Zinc Oxide
Crystallization
Zinc oxide
Film thickness
21 Citations (Scopus)

Effect of Eu 3+ concentration on microstructure and photoluminescence of Sr 2SiO 4:Eu 3+ phosphors prepared by microwave assisted sintering

Yang, R. Y., Chen, H. Y., Chang, S-J. & Yang, Y. K., 2012 Mar 1, In : Journal of Luminescence. 132, 3, p. 780-783 4 p.

Research output: Contribution to journalArticle

Powder Diffraction
Microwaves
Particle Size
X-Ray Diffraction
Electron Scanning Microscopy

Effect of nickel annealing on GaN-based photodetectors

Chen, T. P., Young, S. J., Chang, S-J., Wang, S. M., Hsiao, C. H., Huang, B. R. & Yang, C. B., 2012 Feb 27, In : Electrochemical and Solid-State Letters. 15, 4

Research output: Contribution to journalArticle

Photodetectors
Nickel
photometers
Metals
nickel
17 Citations (Scopus)

Effect of temperature on the deposition of ZnO thin films by successive ionic layer adsorption and reaction

Shei, S. C., Lee, P. Y. & Chang, S. J., 2012 Aug 1, In : Applied Surface Science. 258, 20, p. 8109-8116 8 p.

Research output: Contribution to journalArticle

Adsorption
Thin films
Ethylene Glycol
Temperature
Ethylene glycol
5 Citations (Scopus)

Effect of varied undoped GaN thickness on ESD and optical properties of GaN-based LEDs

Chiang, T. H., Wang, C. K., Chang, S. J., Chiou, Y. Z., Ko, T. K., Lin, T. K. & Chang, S. P., 2012 Apr 24, In : IEEE Photonics Technology Letters. 24, 10, p. 800-802 3 p., 6146401.

Research output: Contribution to journalArticle

Electrostatic discharge
Light emitting diodes
light emitting diodes
Optical properties
endurance
15 Citations (Scopus)

Efficiency droop characteristics in InGaN-based near ultraviolet-to-blue light-emitting diodes

Yu, S. F., Lin, R. M., Chang, S-J. & Chu, F. C., 2012 Feb 1, In : Applied Physics Express. 5, 2, 022102.

Research output: Contribution to journalArticle

Quantum efficiency
Light emitting diodes
quantum efficiency
light emitting diodes
injection
3 Citations (Scopus)

Efficiency improvement of GaN-based light-emitting diodes by direct wet etching of indium-tin-oxide layer

Li, S., Kuo, D. S., Liu, C. H., Hung, S. C. & Chang, S. J., 2012 Dec 1, In : IET Optoelectronics. 6, 6, p. 303-306 4 p.

Research output: Contribution to journalArticle

Wet etching
Tin oxides
indium oxides
Indium
tin oxides
4 Citations (Scopus)

Enhanced current spreading for GaN-based side-view LEDs by adding an metallic stripe across the long side of the chip

Chang, L. M., Chang, S. J., Jiao, Z. Y., Shen, C. F., Ko, T. K., Hon, S. J., Chiou, Y. Z. & Chiou, H. Y., 2012 Aug 8, In : IEEE Photonics Technology Letters. 24, 16, p. 1412-1414 3 p., 6224171.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
chips
output
current distribution
14 Citations (Scopus)

Enhanced field electron emission from zinc-doped cuo nanowires

Tsai, T. Y., Hsu, C. L., Chang, S. J., Chen, S. I., Hsueh, H. T. & Hsueh, T. J., 2012 Apr 24, In : IEEE Electron Device Letters. 33, 6, p. 887-889 3 p., 6184273.

Research output: Contribution to journalArticle

Electron emission
Nanowires
Zinc
Glass
Copper oxides
16 Citations (Scopus)

Enhancement of near-infrared photonic band gap in a doped semiconductor photonic crystal

Hung, H. C., Wu, C. J., Yang, T. J. & Chang, S. J., 2012 Jan 1, In : Progress in Electromagnetics Research. 125, p. 219-235 17 p.

Research output: Contribution to journalArticle

Photonic band gap
Photonic crystals
photonics
Semiconductor materials
Infrared radiation
37 Citations (Scopus)

Fabrication and characterization of coaxial p-copper oxide/n-ZnO nanowire photodiodes

Hsueh, H. T., Chang, S. J., Weng, W. Y., Hsu, C. L., Hsueh, T. J., Hung, F. Y., Wu, S. L. & Dai, B. T., 2012 Jan 1, In : IEEE Transactions on Nanotechnology. 11, 1, p. 127-133 7 p., 5876323.

Research output: Contribution to journalArticle

Copper oxides
Photodiodes
Nanowires
Fabrication
Sputtering
24 Citations (Scopus)

Field-emission and photoelectrical characteristics of zno nanorods photodetectors prepared on flexible substrate

Chen, T. P., Young, S. J., Chang, S. J., Hsiao, C. H. & Huang, C. S., 2012 Apr 9, In : Journal of the Electrochemical Society. 159, 5, p. J153-J157

Research output: Contribution to journalArticle

Photodetectors
Nanorods
Field emission
Substrates
Zinc Oxide

GaN-based LEDs grown on cone-shaped patterned sapphire substrates with peripheral air voids by lateral etching

Lin, N. M., Shei, S. C., Chang, S. J., Lai, W. C., Yang, Y. Y., Lin, W. C. & Lo, H. M., 2012 Jan 1, Equipment Manufacturing Technology. p. 542-546 5 p. (Advanced Materials Research; vol. 422).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sapphire
Light emitting diodes
Cones
Etching
Substrates
25 Citations (Scopus)

GaN-Based LEDs with a chirped multiquantum barrier structure

Lin, Y. Y., Chuang, W-K., Chang, S-J., Li, S., Jiao, Z. Y., Ko, T. K., Hon, S. J. & Liu, C. H., 2012 Sep 10, In : IEEE Photonics Technology Letters. 24, 18, p. 1600-1602 3 p., 6268320.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Electrons
electrons
injection

GaN-based LEDs with air voids prepared by laser scribing and chemical etching

Chang, S. J., 2012 Mar 5, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI. 82781E. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8278).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

scoring
Etching
Voids
Light emitting diodes
voids

GaN-based LEDs with a mirror structure and an insulating layer

Lin, N. M., Shei, S. C. & Chang, S. J., 2012 Oct 22, 2012 Symposium on Photonics and Optoelectronics, SOPO 2012. 6270550. (2012 Symposium on Photonics and Optoelectronics, SOPO 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
Mirrors
Light absorption
Thermodynamic stability
Annealing
4 Citations (Scopus)

GaN-based LEDs with Ar plasma treatment

Kuo, D. S., Lam, K. T., Wen, K. H., Chang, S-J., Ko, T. K. & Hon, S. J., 2012 Feb 1, In : Materials Science in Semiconductor Processing. 15, 1, p. 52-55 4 p.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Plasmas
injection
damage
6 Citations (Scopus)

GaN-based LEDs with double strain releasing MQWs and Si delta-doping layers

Chang, C. Y., Chang, S. J., Liu, C. H., Li, S. & Lin, T. K., 2012 Oct 5, In : IEEE Photonics Technology Letters. 24, 20, p. 1809-1811 3 p., 6294429.

Research output: Contribution to journalArticle

releasing
Light emitting diodes
light emitting diodes
Doping (additives)
Epitaxial layers
1 Citation (Scopus)

GaN-based LEDs with nano-patterns by contact-transferred and mask-embedded lithography and Cl2/N2 plasma etching

Zeng, X. F., Shei, S. C. & Chang, S. J., 2012 Dec 1, In : ECS Solid State Letters. 1, 6, p. R27-R30

Research output: Contribution to journalArticle

Plasma etching
Lithography
Light emitting diodes
Masks
Electric properties
8 Citations (Scopus)

GaN-based LEDs with omnidirectional metal underneath an insulating SiO 2 layer

Lin, N. M., Shei, S. C., Chang, S-J. & Zeng, X. F., 2012 Apr 24, In : IEEE Photonics Technology Letters. 24, 10, p. 815-817 3 p., 6180073.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Metals
metals
Light absorption
9 Citations (Scopus)

GaN-Based LEDs with sapphire debris removed by phosphoric etching

Chang, S. J., Kuo, D. S., Lam, K. T., Wen, K. H., Ko, T. K. & Hon, S. J., 2012 Feb 1, In : IEEE Transactions on Components, Packaging and Manufacturing Technology. 2, 2, p. 349-353 5 p., 6081909.

Research output: Contribution to journalArticle

Aluminum Oxide
Debris
Sapphire
Light emitting diodes
Etching

GaN-based light-emitting diodes with a thermally stable mirror structure underneath an insulating SiO2 layer

Lin, N. M., Shei, S. C. & Chang, S. J., 2012 Dec 1, In : IET Optoelectronics. 6, 6, p. 277-281 5 p.

Research output: Contribution to journalArticle

Light emitting diodes
Mirrors
light emitting diodes
mirrors
Thermodynamic stability
2 Citations (Scopus)

GaN-based light-emitting diodes with embedded air void arrays

Shen, Y., Li, S., Kuo, D. S., Chang, S. J., Lam, K. T. & Wen, K. H., 2012 Jul, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 30, 4, 041207.

Research output: Contribution to journalArticle

Light emitting diodes
voids
light emitting diodes
air
Air
41 Citations (Scopus)

GaN-based light-emitting diode with sputtered AlN nucleation layer

Yen, C. H., Lai, W-C., Yang, Y. Y., Wang, C. K., Ko, T. K., Hon, S. J. & Chang, S-J., 2012 Feb 6, In : IEEE Photonics Technology Letters. 24, 4, p. 294-296 3 p., 6092445.

Research output: Contribution to journalArticle

Light emitting diodes
Nucleation
light emitting diodes
nucleation
Leakage currents
11 Citations (Scopus)

GaN-based Schottky barrier ultraviolet photodetector with a 5-pair AlGaN-GaN intermediate layer

Lee, K. H., Chang, P. C., Chang, S. J. & Wu, S. L., 2012 Mar 1, In : Physica Status Solidi (A) Applications and Materials Science. 209, 3, p. 579-584 6 p.

Research output: Contribution to journalArticle

Schottky barrier diodes
Photodetectors
Leakage currents
photometers
Schottky diodes
1 Citation (Scopus)

GaN schottky barrier photodetectors with a β-Ga2O 3 cap layer

Huang, Z. D., Chuang, R. W., Weng, W. Y., Chang, S. J., Chiu, C. J. & Wu, S. L., 2012 Nov 1, In : Applied Physics Express. 5, 11, 116701.

Research output: Contribution to journalArticle

Photodetectors
caps
photometers
Epitaxial layers
Leakage currents
7 Citations (Scopus)

Gold nanoparticle-modulated conductivity in gold peapodded silica nanowires

Wang, S. B., Hu, M. S., Chang, S. J., Chong, C. W., Han, H. C., Huang, B. R., Chen, L. C. & Chen, K. H., 2012 Jun 12, In : Nanoscale. 4, 12, p. 3660-3664 5 p.

Research output: Contribution to journalArticle

Silicon Dioxide
Gold
Nanowires
Silica
Nanoparticles
5 Citations (Scopus)

Growth of gallium nitride on silicon by molecular beam epitaxy incorporating a chromium nitride interlayer

Liu, K. W., Young, S. J., Chang, S. J., Hsueh, T. H., Hung, H., Chen, S. X. & Chen, Y. Z., 2012 Jan 15, In : Journal of Alloys and Compounds. 511, 1, p. 1-4 4 p.

Research output: Contribution to journalArticle

Gallium nitride
Chromium
Silicon
Molecular beam epitaxy
Nitrides
2 Citations (Scopus)

Growth of InN nanorods prepared by plasma-assisted molecular beam epitaxy with varying Cr thicknesses

Liu, K. W., Young, S. J., Chang, S. J., Hsueh, T. H., Chen, Y. Z., Chen, K. J., Hung, H., Wang, S. M. & Wu, Y. L., 2012 May 15, In : Journal of Crystal Growth. 347, 1, p. 113-118 6 p.

Research output: Contribution to journalArticle

Nanorods
Molecular beam epitaxy
nanorods
molecular beam epitaxy
Nitridation
7 Citations (Scopus)

High-efficiency si solar cell fabricated by ion implantation and inline backside rounding process

Lee, C. M., Chang, S. P., Chang, S. J. & Wu, C. I., 2012 Dec 1, In : International Journal of Photoenergy. 2012, 670981.

Research output: Contribution to journalArticle

Ion implantation
ion implantation
Etching
Solar cells
solar cells