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Research Output 2001 2019

2019

Enhancement of piezo-related properties of AlN through combinatorial AlN–TiN nanocolumn composite composition spread

Lee, H. Y., Lee, S. Y. & Chang, K-S., 2019 Dec 1, In : Ceramics International. 45, 17, p. 22744-22751 8 p.

Research output: Contribution to journalArticle

Composite materials
Chemical analysis
Reactive sputtering
Valence bands
Light absorption
1 Citation (Scopus)

Physical, photochemical, and extended piezoelectric studies of orthorhombic ZnSnN 2 nanocolumn arrays

Hsu, A. J. & Chang, K-S., 2019 Mar 15, In : Applied Surface Science. 470, p. 19-26 8 p.

Research output: Contribution to journalArticle

Depth profiling
Fluorine
Substrates
Tin oxides
Chemical analysis
2018
3 Citations (Scopus)

Fabrication and Photocatalytic Application of Aromatic Ring Functionalized Melem Oligomers

Hsu, C. Y. & Chang, K-S., 2018 Feb 15, In : Journal of Physical Chemistry C. 122, 6, p. 3506-3512 7 p.

Research output: Contribution to journalArticle

oligomers
Oligomers
Fabrication
fabrication
rings
Nanowires
Fabrication
Modulation
Impurities
Substrates

Hydrothermal fabrication and analysis of piezotronic-related properties of BiFeO3 nanorods

Arazas, A. P. R., Wu, C. C. & Chang, K-S., 2018 Aug 15, In : Ceramics International. 44, 12, p. 14158-14162 5 p.

Research output: Contribution to journalArticle

Nanorods
Fabrication
ITO glass
Photocatalysis
Methylene Blue
2 Citations (Scopus)

Indium-zinc-tin-oxide film prepared by reactive magnetron sputtering for electrochromic applications

Li, K. D., Chen, P. W., Chang, K. S., Hsu, S. C. & Jan, D. J., 2018 Nov 8, In : Materials. 11, 11, 2221.

Research output: Contribution to journalArticle

Indium
Reactive sputtering
Zinc oxide
Tin oxides
Magnetron sputtering
2017
1 Citation (Scopus)

Characterization of Sputtered HfO2−x–TiO2−x Nanocolumn Arrays and Their Application in Photocatalysis

Feng, H. C. & Chang, K-S., 2017 Jul 1, In : Journal of Electronic Materials. 46, 7, p. 4532-4538 7 p.

Research output: Contribution to journalArticle

Photocatalysis
composite materials
Methylene Blue
Reactive sputtering
methylene blue
3 Citations (Scopus)
Nanorods
Photocatalysis
Sputtering
Composite materials
Chemical analysis
10 Citations (Scopus)
Graphite
Hydrothermal synthesis
Nanorods
Oxides
Fabrication
9 Citations (Scopus)
Reactive sputtering
Band structure
sputtering
Deconvolution
Chemical analysis
3 Citations (Scopus)
Polymethyl Methacrylate
Polymethyl methacrylates
Nanocomposites
Thermionic emission
Coating techniques
2016
5 Citations (Scopus)
photoelectrochemical devices
sputtering
electron probes
Auger spectroscopy
electron spectroscopy
18 Citations (Scopus)

Piezopotential-Induced Schottky Behavior of Zn1−xSnO3 Nanowire Arrays and Piezophotocatalytic Applications

Wang, Y. T. & Chang, K-S., 2016 Jan 1, In : Journal of the American Ceramic Society. 99, 8, p. 2593-2600 8 p.

Research output: Contribution to journalArticle

Nanowires
vibration
Photocatalysis
Methylene Blue
Vibrations (mechanical)
2015
1 Citation (Scopus)

Facile fabrication of a photocatalyst of Ta4N5 nanocolumn arrays by using reactive sputtering

Peng, Y. J., Lee, S. Y. & Chang, K-S., 2015 Jan 1, In : Journal of the Electrochemical Society. 162, 6, p. H371-H375

Research output: Contribution to journalArticle

Caustics
Photocatalysis
Methylene Blue
Reactive sputtering
Photodegradation
21 Citations (Scopus)

Piezoresistive effects enhanced the photocatalytic properties of Cu 2 O/CuO nanorods

Wu, H. W., Lee, S. Y., Lu, W. C. & Chang, K-S., 2015 Jul 30, In : Applied Surface Science. 344, p. 236-241 6 p.

Research output: Contribution to journalArticle

Nanorods
Photocatalysis
Photoelectrochemical cells
Purging
Energy gap
32 Citations (Scopus)

Study of ZnSnO3-nanowire piezophotocatalyst using two-step hydrothermal synthesis

Lo, M. K., Lee, S. Y. & Chang, K-S., 2015 Mar 5, In : Journal of Physical Chemistry C. 119, 9, p. 5218-5224 7 p.

Research output: Contribution to journalArticle

Hydrothermal synthesis
Nanowires
nanowires
synthesis
piezoelectricity
2014
25 Citations (Scopus)

Facile fabrication and tuning of TiO2 nanoarchitectured morphology using magnetron sputtering and its applications to photocatalysis

Lin, Z. A., Lu, W. C., Wu, C. Y. & Chang, K-S., 2014 Dec 1, In : Ceramics International. 40, 10, p. 15523-15529 7 p.

Research output: Contribution to journalArticle

Photocatalysis
Nanorods
Magnetron sputtering
Tuning
Fabrication
9 Citations (Scopus)

High-throughput identification of higher-κ dielectrics from an amorphous N2-doped HfO2-TiO2 library

Chang, K. S., Lu, W. C., Wu, C. Y. & Feng, H. C., 2014 Dec 5, In : Journal of Alloys and Compounds. 615, p. 386-389 4 p.

Research output: Contribution to journalArticle

Throughput
Gate dielectrics
Chemical analysis
Leakage currents
Oxides
15 Citations (Scopus)

Modulation of physical and photocatalytic properties of (Cr, N) codoped TiO2 nanorods using soft solution processing

Lu, W. C., Nguyen, H. D., Wu, C. Y., Chang, K. S. & Yoshimura, M., 2014 Apr 14, In : Journal of Applied Physics. 115, 14, 144305-1.

Research output: Contribution to journalArticle

nanorods
chromium
physical properties
modulation
methylene blue

Preface: The biennial TACT international thin films conference (TACT 2013)

Lee, J. W., He, J. L., Chang, K-S., Chang, Y. Y., Greczyński, G., Huang, H. H., Kuo, Y. L., Shih, S. J., Wang, C. H. & Wu, F. B., 2014 Jan 1, In : Surface and Coatings Technology. 259, PB, p. 113-114 2 p.

Research output: Contribution to journalEditorial

Thin films
bis(tetraheptylammonium)tetraiodocyclopentane tellurate(IV)
2 Citations (Scopus)

Substantial enhancement of the dielectric properties of amorphous Y 2O3-TiO2 composition spreads through N 2 doping using combinatorial sputtering

Chang, K-S., Feng, H. C., Chen, C. L. & Lu, W. C., 2014 Jan 1, In : IEEE Transactions on Electron Devices. 61, 6, p. 2125-2129 5 p., 6809211.

Research output: Contribution to journalArticle

Dielectric properties
Sputtering
Doping (additives)
Oxides
Chemical analysis
2013
4 Citations (Scopus)

Combinatorial screening of work functions in Ta-C-N/HfO2/Si advanced gate stacks

Chang, K-S., Green, M. L., Levin, I. & De Gendt, S., 2013 Mar 1, In : Scripta Materialia. 68, 5, p. 333-336 4 p.

Research output: Contribution to journalArticle

Screening
screening
Metals
Oxides
CMOS
2012
2 Citations (Scopus)

High-Throughput Screening of Amorphous Y 2 O 3 ?TiO 2 /SiO 2 Higher κ Gate Dielectric Layers

Chang, K-S., Green, M. L., Schenck, P. K., Levin, I. & Venkatasubramanian, E., 2012 Jan 1, In : IEEE Transactions on Electron Devices. 59, 12, p. 3212-3216 5 p., 6328262.

Research output: Contribution to journalArticle

Gate dielectrics
Screening
Permittivity
Throughput
Pulsed laser deposition
2010
1 Citation (Scopus)

Manipulation of the crystallinity boundary of pulsed laser deposited high-k HfO2-TiO2-Y2O3 combinatorial thin films

Klamo, J. L., Schenck, P. K., Burke, P. G., Chang, K-S. & Green, M. L., 2010 Mar 26, In : Journal of Applied Physics. 107, 5, 054101.

Research output: Contribution to journalArticle

manipulators
crystallinity
pulsed lasers
thin films
space processing
8 Citations (Scopus)

Microstructure evolution and surface characteristics of NiP and CrN composite coatings under phosphate glasses molding process

Chang, K. C., Yang, H. W., Hsiao, Y. C., Chang, C. C. & Wu, F. B., 2010 Nov 25, In : Surface and Coatings Technology. 205, 5, p. 1225-1228 4 p.

Research output: Contribution to journalArticle

Composite coatings
Molding
phosphates
Phosphates
coatings
6 Citations (Scopus)

Physical and chemical characterization of combinatorial metal gate electrode Ta-C-N library film

Chang, K-S., Green, M. L., Levin, I., Hattrick-Simpers, J. R., Jaye, C., Fischer, D. A., Takeuchi, I. & De Gendt, S., 2010 Jun 7, In : Applied Physics Letters. 96, 19, 192114.

Research output: Contribution to journalArticle

electrodes
thermal stability
metals
x ray fluorescence
data systems
2009
9 Citations (Scopus)

A high-Throughput screening system for thermoelectric material exploration based on a combinatorial film approach

Otani, M., Thomas, E. L., Wong-Ng, W., Schenck, P. K., Chang, K-S., Lowhorn, N. D., Green, M. L. & Ohguchi, H., 2009 May 1, In : Japanese Journal of Applied Physics. 48, 5 PART 3

Research output: Contribution to journalArticle

thermoelectric materials
Screening
screening
Seebeck coefficient
Throughput
11 Citations (Scopus)

"Higher-κ" dielectrics for advanced silicon microelectronic devices: A combinatorial research study

Green, M. L., Schenck, P. K., Chang, K-S., Ruglovsky, J. & Vaudin, M., 2009 Jul 1, In : Microelectronic Engineering. 86, 7-9, p. 1662-1664 3 p.

Research output: Contribution to journalArticle

Silicon
microelectronics
Microelectronics
Leakage currents
Permittivity
2008

Combinatorial methodology for the exploration of metal gate electrodes on HfO2 for the advanced gate stack

Chang, K-S., Green, M. L., Suehle, J., Hattrick-Simpersb, J., Takeuchi, I., Ohmori, K., Chikyow, T., De Gendt, S. & Majhi, P., 2008 Nov 17, ECS Transactions - Dielectrics for Nanosystems 3: Materials Science, Processing, Reliability, and Manufacturing. 2 ed. p. 151-159 9 p. (ECS Transactions; vol. 13, no. 2).

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

Electrodes
Metals
Chemical analysis
Wavelength dispersive spectroscopy
Scanning
6 Citations (Scopus)

Determination of work functions in the Ta1-xAlx Ny/HfO2 advanced gate stack using combinatorial methodology

Chang, K. S., Green, M. L., Hattrick-Simpers, J. R., Takeuchi, I., Suehle, J. S., Celik, O. & De Gendt, S., 2008 Oct 17, In : IEEE Transactions on Electron Devices. 55, 10, p. 2641-2647 7 p.

Research output: Contribution to journalArticle

Metals
Chemical analysis
Oxides
Solid solutions
Thermodynamic stability
2007
9 Citations (Scopus)

Application of combinatorial methodologies for work function engineering of metal gate/high-κ advanced gate stacks

Green, M. L., Chang, K-S., DeGendt, S., Schram, T. & Hattrick-Simpers, J., 2007 Sep 1, In : Microelectronic Engineering. 84, 9-10, p. 2209-2212 4 p.

Research output: Contribution to journalArticle

Metals
engineering
methodology
metals
plotting

Combinatorial methodologies applied to the advanced CMOS gate stack

Chang, K. S., Bassim, N. D., Schenck, P. K., Suehle, J., Takeuchi, I. & Green, M. L., 2007 Oct 22, CHARACTERIZATION AND METROLOGY FOR NANOELECTRONICS: 2007 International Conference on Frontiers of Characterization and Metrology. p. 297-302 6 p. (AIP Conference Proceedings; vol. 931).

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

CMOS
methodology
experimentation
metals
requirements
20 Citations (Scopus)

Influences of annealing in reducing and oxidizing ambients on flatband voltage properties of HfO2 gate stack structures

Ohmori, K., Ahmet, P., Yoshitake, M., Chikyow, T., Shiraishi, K., Yamabe, K., Watanabe, H., Akasaka, Y., Nara, Y., Chang, K-S., Green, M. L. & Yamada, K., 2007 May 9, In : Journal of Applied Physics. 101, 8, 084118.

Research output: Contribution to journalArticle

annealing
electric potential
metals
gases
oxygen
2006

A combinatorial study of metal gate/HfO2 MOSCAPS

Green, M. L., Chang, K-S., Takeuchi, I. & Chikyow, T., 2006 Dec 1, In : ECS Transactions. 3, 3, p. 341-350 10 p.

Research output: Contribution to journalConference article

Metals
Wavelength dispersive spectroscopy
Electrodes
Gate dielectrics
Surveying
20 Citations (Scopus)

Combinatorial study of Ni-Ti-Pt ternary metal gate electrodes on HfO 2 for the advanced gate stack

Chang, K. S., Green, M. L., Suehle, J., Vogel, E. M., Xiong, H., Hattrick-Simpers, J., Takeuchi, I., Famodu, O., Ohmori, K., Ahmet, P., Chikyow, T., Majhi, P., Lee, B. H. & Gardner, M., 2006 Oct 16, In : Applied Physics Letters. 89, 14, 142108.

Research output: Contribution to journalArticle

electrodes
metals
ternary alloys
leakage
sputtering
1 Citation (Scopus)

Controllability of flatband voltage in high-k gate stack structures - Remarkable advantages of la2O3 over HfO2

Ohmori, K., Ahmet, P., Shiraishi, K., Yamabe, K., Watanabe, H., Akasaka, Y., Umezawa, N., Nakajima, K., Yoshitake, M., Nakayama, T., Chang, K-S., Kakushima, K., Nara, Y., Green, M. L., Iwai, H., Yamada, K. & Chikyow, T., 2006 Jan 1, ICSICT-2006: 2006 8th International Conference on Solid-State and Integrated Circuit Technology, Proceedings. IEEE Computer Society, p. 376-379 4 p. 4098113. (ICSICT-2006: 2006 8th International Conference on Solid-State and Integrated Circuit Technology, Proceedings).

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

Controllability
Electric potential
Gases
Charge transfer
Annealing

Influences of annealing conditions on flatband voltage properties using continuously workfunction-tuned metal electrodes

Ohmori, K., Ahmet, P., Shiraishi, K., Watanabe, H., Akasaka, Y., Yamabe, K., Yoshitake, M., Chang, K-S., Green, M. L., Yamada, K. & Chikyow, T., 2006 Dec 1, 1st IEEE International Workshop on Nano CMOS, IEEE IWNC 2006. p. 160-162 3 p. 4570988. (2006 International Workshop on Nano CMOS - Proceedings, IWNC).

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

Annealing
Electrodes
Electric potential
Metals

Wide controllability of flatband voltage in la2O3 gate stack structures - Remarkable advantages of la2O3 over HfO2 -

Ohmori, K., Ahmet, P., Shiraishi, K., Yamabe, K., Watanabe, H., Akasaka, Y., Umezawa, N., Nakajima, K., Yoshitake, M., Nakayama, T., Chang, K. S., Kakushima, K., Nara, Y., Green, M. L., Iwai, H., Yamada, K. & Chikyow, T., 2006 Dec 1, In : ECS Transactions. 3, 3, p. 351-362 12 p.

Research output: Contribution to journalConference article

Controllability
Electric potential
Gases
Charge transfer
Annealing
2005
12 Citations (Scopus)

Measurement of the magnetoelectric coefficient using a scanning evanescent microwave microscope

Gao, C., Hu, B., Li, X., Liu, C., Murakami, M., Chang, K. S., Long, C. J., Wuttig, M. & Takeuchi, I., 2005 Oct 10, In : Applied Physics Letters. 87, 15, p. 1-3 3 p., 153505.

Research output: Contribution to journalArticle

microscopes
microwaves
scanning
coefficients
spatial resolution
22 Citations (Scopus)

Microstructural study of epitaxial Zn 1-xMg xO composition spreads

Bendersky, L. A., Takeuchi, I., Chang, K-S., Yang, W., Hullavarad, S. & Vispute, R. D., 2005 Oct 15, In : Journal of Applied Physics. 98, 8, 083526.

Research output: Contribution to journalArticle

pulsed laser deposition
solid solutions
defects
crystallography
chips
27 Citations (Scopus)

Microwave-frequency loss and dispersion in ferroelectric Ba 0.3Sr 0.7 TiO 3 thin films

Booth, J. C., Takeuchi, I. & Chang, K-S., 2005 Aug 22, In : Applied Physics Letters. 87, 8, 082908.

Research output: Contribution to journalArticle

microwave frequencies
thin films
frequency measurement
polar regions
broadband
56 Citations (Scopus)

Quantitative scanning evanescent microwave microscopy and its applications in characterization of functional materials libraries

Gao, C., Hu, B., Takeuchi, I., Chang, K-S., Xiang, X. D. & Wang, G., 2005 Jan 1, In : Measurement Science and Technology. 16, 1, p. 248-260 13 p.

Research output: Contribution to journalReview article

Functional materials
Microscopy
Microwave
Scanning
Microscopic examination
63 Citations (Scopus)

Tunable multiferroic properties in nanocomposite PbTiO 3 - CoFe 2O 4 epitaxial thin films

Murakami, M., Chang, K. S., Aronova, M. A., Lin, C. L., Yu, M. H., Simpers, J. H., Wuttig, M., Takeuchi, I., Gao, C., Hu, B., Lofland, S. E., Knauss, L. A. & Bendersky, L. A., 2005 Sep 12, In : Applied Physics Letters. 87, 11, 112901.

Research output: Contribution to journalArticle

nanocomposites
thin films
tuning
permittivity
magnetic properties
2004
26 Citations (Scopus)

Combinatorial Investigation of Ferromagnetic Shape-Memory Alloys in the Ni-Mn-Al Ternary System Using a Composition Spread Technique

Famodu, O. O., Hattrick-Simpers, J., Aronova, M., Chang, K-S., Murakami, M., Wuttig, M., Okazaki, T., Furuya, Y., Knauss, L. A., Bendersky, L. A., Biancaniello, F. S. & Takeuchi, I., 2004 Jan 1, In : Materials Transactions. 45, 2, p. 173-177 5 p.

Research output: Contribution to journalArticle

shape memory alloys
Ternary systems
ternary systems
Shape memory effect
Phase diagrams
16 Citations (Scopus)

Combinatorial investigation of structural quality of Au/Ni contacts on GaN

Davydov, A. V., Bendersky, L. A., Boettinger, W. J., Josell, D., Vaudin, M. D., Chang, K-S. & Takeuchi, I., 2004 Feb 15, In : Applied Surface Science. 223, 1-3, p. 24-29 6 p.

Research output: Contribution to journalArticle

Transmission electron microscopy
Nickel
Contamination
Diffraction
Metals
6 Citations (Scopus)

Combinatorial pulsed laser deposition using a compact high-throughout thin-film deposition flange

Chang, K-S., Aronova, M. A. & Takeuchi, I., 2004 Feb 15, In : Applied Surface Science. 223, 1-3, p. 224-228 5 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Flanges
Thin films
Chemical sensors
Throughput
2 Citations (Scopus)

Erratum: Monolithic multichannel ultraviolet detector arrays and continuous phase evolution in Mg xZn 1-xO composition spreads (Journal of Applied Physics (2003) 94 (7336))

Takeuchi, I., Yang, W., Chang, K-S., Aronova, M. A., Venkatesan, T., Vispute, R. D. & Bendersky, L. A., 2004 Apr 1, In : Journal of Applied Physics. 95, 7, 1 p.

Research output: Contribution to journalComment/debate

ultraviolet detectors
physics
74 Citations (Scopus)

Exploration of artificial multiferroic thin-film heterostructures using composition spreads

Chang, K-S., Aronova, M. A., Lin, C. L., Murakami, M., Yu, M. H., Hattrick-Simpers, J., Famodu, O. O., Lee, S. Y., Ramesh, R., Wuttig, M., Takeuchi, I., Gao, C. & Bendersky, L. A., 2004 Apr 19, In : Applied Physics Letters. 84, 16, p. 3091-3093 3 p.

Research output: Contribution to journalArticle

thin films
microscopy
scanning
ferromagnetism
dielectric properties
8 Citations (Scopus)

Rapid constructing magnetic phase diagrams by magneto-optical imaging of composition spread films

Turchinskaya, M. J., Bendersky, L. A., Shapiro, A. J., Chang, K-S., Takeuchi, I. & Roytburd, A. L., 2004 Sep 1, In : Journal of Materials Research. 19, 9, p. 2546-2548 3 p.

Research output: Contribution to journalArticle

Phase diagrams
phase diagrams
Imaging techniques
Chemical analysis
diagrams
2003
1 Citation (Scopus)

Accelerated reliability test inputs in analyzing the device response of MgZnO based UV detector

Hullavarad, S. S., Takeuchi, I., Berger, J., Dhar, S., Chang, K. S., Venkatesan, T., Loughran, T. C., Vispute, R. D. & Yedave, S. N., 2003 Dec 1, In : Materials Research Society Symposium - Proceedings. 785, p. 495-499 5 p.

Research output: Contribution to journalConference article

Ultraviolet detectors
Quartz
Aluminum Oxide
detectors
Pulsed laser deposition