Kao-Shuo Chang

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 journal › Article

Composite materials

Chemical analysis

Reactive sputtering

Valence bands

Light absorption

Fabrication and Photodegradation Application of Isopropanol-Functionalized Poly (Triazine Imide)

Chen, C. H. & Chang, K. S., 2019 Jan 1, (Accepted/In press) In : Journal of Electronic Materials.

Research output: Contribution to journal › Article

Imides

Triazines

2-Propanol

imides

Photodegradation

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 journal › Article

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 journal › Article

oligomers

Oligomers

Fabrication

fabrication

rings

Fabrication of Ba _1−x ZnO ₂ nanowires using solvothermal synthesis: Piezotronic and piezophototronic performance characterization

Chiang, Y. C. & Chang, K. S., 2018 Jul 1, In : Applied Surface Science. 445, p. 71-76 6 p.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

Indium

Reactive sputtering

Zinc oxide

Tin oxides

Magnetron sputtering

2017

1 Citation (Scopus)

Characterization of Sputtered HfO_2−x–TiO_2−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 journal › Article

Photocatalysis

composite materials

Methylene Blue

Reactive sputtering

methylene blue

3 Citations (Scopus)

Defective Y₂O_3−x–driven anomalous photocatalytic enhancement using Y₂O_3−x–TiO_2−x nanorod composite composition spreads

Rosell, N. V. B., Chen, Y. T. & Chang, K. S., 2017 Dec, In : Journal of the American Ceramic Society. 100, 12, p. 5548-5560 13 p.

Research output: Contribution to journal › Article

Nanorods

Photocatalysis

Sputtering

Composite materials

Chemical analysis

10 Citations (Scopus)

Fabrication of TiO₂-reduced graphene oxide nanorod composition spreads using combinatorial hydrothermal synthesis and their photocatalytic and photoelectrochemical applications

Lu, W. C., Tseng, L. C. & Chang, K-S., 2017 Jan 1, In : ACS Combinatorial Science. 19, 9, p. 585-593 9 p.

Research output: Contribution to journal › Article

Graphite

Hydrothermal synthesis

Nanorods

Oxides

Fabrication

9 Citations (Scopus)

Piezotronic and Piezophototronic Properties of Orthorhombic ZnSnN₂ Fabricated Using Zn-Sn₃N₄ Composition Spreads through Combinatorial Reactive Sputtering

Kuo, C. H. & Chang, K. S., 2017 Sep 6, In : Crystal Growth and Design. 17, 9, p. 4694-4702 9 p.

Research output: Contribution to journal › Article

Reactive sputtering

Band structure

sputtering

Deconvolution

Chemical analysis

4 Citations (Scopus)

Synergistic piezophotocatalytic and photoelectrochemical performance of poly(vinylidene fluoride)-ZnSnO₃ and poly(methyl methacrylate)-ZnSnO₃ nanocomposites

Lin, H. M. & Chang, K-S., 2017 Jan 1, In : RSC Advances. 7, 49, p. 30513-30520 8 p.

Research output: Contribution to journal › Article

Polymethyl Methacrylate

Polymethyl methacrylates

Nanocomposites

Thermionic emission

Coating techniques

2016

5 Citations (Scopus)

Photocatalytic and photoelectrochemical performance of Ta₃N₅ microcolumn films fabricated using facile reactive sputtering

Lin, D. H. & Chang, K. S., 2016 Aug 21, In : Journal of Applied Physics. 120, 7, 075303.

Research output: Contribution to journal › Article

photoelectrochemical devices

sputtering

electron probes

Auger spectroscopy

electron spectroscopy

18 Citations (Scopus)

Piezopotential-Induced Schottky Behavior of Zn_1−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 journal › Article

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 journal › Article

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 journal › Article

Nanorods

Photocatalysis

Photoelectrochemical cells

Purging

Energy gap

34 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 journal › Article

Hydrothermal synthesis

Nanowires

nanowires

synthesis

piezoelectricity

2014

26 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 journal › Article

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 journal › Article

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 journal › Article

nanorods

chromium

physical properties

modulation

methylene blue

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 journal › Article

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 journal › Article

Screening

screening

Metals

Oxides

CMOS

2012

2 Citations (Scopus)

High-Throughput Screening of Amorphous Y₂O₃?TiO ₂/SiO₂ 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 journal › Article

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 journal › Article

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 journal › Article

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 journal › Article

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, p. 05EB021-05EB024

Research output: Contribution to journal › Article

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 journal › Article

Silicon

microelectronics

Microelectronics

Leakage currents

Permittivity

2008

6 Citations (Scopus)

Determination of work functions in the Ta_1-xAl_x N_y/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 journal › Article

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 journal › Article

Metals

engineering

methodology

metals

plotting

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 journal › Article

annealing

electric potential

metals

gases

oxygen

2006

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 journal › Article

electrodes

metals

ternary alloys

leakage

sputtering

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 journal › Article

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 journal › Article

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 journal › Article

microwave frequencies

thin films

frequency measurement

polar regions

broadband

66 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 journal › Article

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 Feb, In : Materials Transactions. 45, 2, p. 173-177 5 p.

Research output: Contribution to journal › Article

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 journal › Article

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 journal › Article

Pulsed laser deposition

Flanges

Thin films

Chemical sensors

Throughput

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 journal › Article

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 journal › Article

Phase diagrams

phase diagrams

Imaging techniques

Chemical analysis

diagrams

2003

45 Citations (Scopus)

Combinatorial libraries of semiconductor gas sensors as inorganic electronic noses

Aronova, M. A., Chang, K. S., Takeuchi, I., Jabs, H., Westerheim, D., Gonzalez-Martin, A., Kim, J. & Lewis, B., 2003 Aug 11, In : Applied Physics Letters. 83, 6, p. 1255-1257 3 p.

Research output: Contribution to journal › Article

sensors

electronics

gases

thin films

formaldehyde

31 Citations (Scopus)

Dissociation and evolution of threading dislocations in epitaxial Ba_0.3Sr_0.7TiO₃ thin films grown on (001) LaAlO₃

Lu, C. J., Bendersky, L. A., Chang, K. & Takeuchi, I., 2003 Jan 1, In : Journal of Applied Physics. 93, 1, p. 512-521 10 p.

Research output: Contribution to journal › Article

dissociation

thin films

coalescing

pulsed laser deposition

nucleation

19 Citations (Scopus)

High-resolution identification of 1/2 〈110〉 stacking faults in epitaxial Ba_0.3Sr_0.7TiO₃ thin films

Lu, C. J., Bendersky, L. A., Chang, K. & Takeuchi, I., 2003 May 1, In : Philosophical Magazine. 83, 13, p. 1565-1595 31 p.

Research output: Contribution to journal › Article

crystal defects

high resolution

thin films

perovskites

atomic structure

189 Citations (Scopus)

Identification of novel compositions of ferromagnetic shape-memory alloys using composition spreads

Takeuchi, I., Famodu, O. O., Read, J. C., Aronova, M. A., Chang, K. S., Craciunescu, C., Lofland, S. E., Wuttig, M., Wellstood, F. C., Knauss, L. & Orozco, A., 2003 Mar, In : Nature Materials. 2, 3, p. 180-184 5 p.

Research output: Contribution to journal › Article

shape memory alloys

Shape memory effect

Phase diagrams

Magnetization

ferroelastic materials

177 Citations (Scopus)

Monolithic multichannel ultraviolet detector arrays and continuous phase evolution in Mg _xZn _1-xO composition spreads

Takeuchi, I., Yang, W., Chang, K. S., Aronova, M. A., Venkatesan, T., Vispute, R. D. & Bendersky, L. A., 2003 Dec 1, In : Journal of Applied Physics. 94, 11, p. 7336-7340 5 p.

Research output: Contribution to journal › Article

ultraviolet detectors

photometers

broadband

thin films

wavelengths

2002

2 Citations (Scopus)

Fabrication and characterization of in-situ grown epitaxial Ba_1-xSr_xTiO₃ composition spreads

Chang, K. S., Aronova, M., Famodu, O., Hattrick-Simpers, J., Lofland, S. E., Takeuchi, I., Lu, C. J., Bendersky, L. A. & Chang, H., 2002 Jan 1, In : Materials Research Society Symposium - Proceedings. 700, p. 113-118 6 p.

Research output: Contribution to journal › Article

Fabrication

fabrication

Chemical analysis

Microwave frequencies

frequency measurement

26 Citations (Scopus)

Ferromagnetic resonance in Ni-Mn-Ga films

Patil, S. I., Tan, D., Lofland, S. E., Bhagat, S. M., Takeuchi, I., Famodu, O., Read, J. C., Chang, K. S., Craciunescu, C. & Wuttig, M., 2002 Aug 12, In : Applied Physics Letters. 81, 7, p. 1279-1281 3 p.

Research output: Contribution to journal › Article

ferromagnetic resonance

magnons

stiffness

x ray diffraction

hysteresis

3 Citations (Scopus)

Microstructure and microstructural evolution in BaTiO₃ films fabricated using the precursor method

Bendersky, L. A., Lu, C. J., Scott, J. H., Chang, K. & Takeuchi, I., 2002 Oct, In : Journal of Materials Research. 17, 10, p. 2499-2506 8 p.

Research output: Contribution to journal › Article

Microstructural evolution

Epitaxial films

microstructure

Microstructure

Interdiffusion (solids)

22 Citations (Scopus)

Microwave frequency tuning and harmonic generation in ferroelectric thin film transmission lines

Booth, J. C., Ono, R. H., Takeuchi, I. & Chang, K. S., 2002 Jul 22, In : Applied Physics Letters. 81, 4, p. 718-720 3 p.

Research output: Contribution to journal › Article

microwave frequencies

transmission lines

harmonic generations

capacitance

tuning