Research Output 1998 2019

2019

Fabrication and characterization of asymmetric metal/Ge/metal diodes with Ge-on-insulator substrate

Maekrua, T., Goto, T., Nakae, K., Yamamoto, K., Nakashima, H. & Wang, D., Jan 1 2019, In : Japanese Journal of Applied Physics. 58, SB, SBBE05.

Research output: Contribution to journalArticle

Open Access
Electroluminescence
Diodes
diodes
insulators
Fabrication
Open Access
Field effect transistors
field effect transistors
insulators
space transportation system
Metals

Microstructural studies of core/rim structure of polycarbosilane-derived SiC consolidated by spark plasma sintering

Lee, J. H., Lee, Y., Han, Y. H., Shin, D. G., Kim, S. & Jang, B., Jun 15 2019, In : Ceramics International. 45, 9, p. 12406-12410 5 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Silicon carbide
Sintering
Carbon
Powders

Non-uniform sintering behavior during spark plasma sintering of Y2O3

Lee, J. H., Kim, B. N. & Jang, B. K., Jan 1 2019, (Accepted/In press) In : Ceramics International.

Research output: Contribution to journalArticle

Spark plasma sintering
Heating rate
Sintering
Microstructure
Grain growth
1 Citation (Scopus)

Polycrystalline thin-film transistors fabricated on high-mobility solid-phase-crystallized Ge on glass

Moto, K., Yamamoto, K., Imajo, T., Suemasu, T., Nakashima, H. & Toko, K., May 27 2019, In : Applied Physics Letters. 114, 21, 212107.

Research output: Contribution to journalArticle

Open Access
solid phases
transistors
glass
thin films
hole mobility
2018

Border trap evaluation for SiO2/GeO2/Ge gate stacks using deep-level transient spectroscopy

Wen, W. C., Yamamoto, K., Wang, D. & Nakashima, H., Nov 28 2018, In : Journal of Applied Physics. 124, 20, 205303.

Research output: Contribution to journalArticle

borders
metal oxide semiconductors
traps
capacitors
evaluation
7 Citations (Scopus)

Electrical properties of pseudo-single-crystalline Ge films grown by Au-induced layer exchange crystallization at 250 °c

Higashi, H., Kudo, K., Yamamoto, K., Yamada, S., Kanashima, T., Tsunoda, I., Nakashima, H. & Hamaya, K., Jun 7 2018, In : Journal of Applied Physics. 123, 21, 215704.

Research output: Contribution to journalArticle

electrical properties
crystallization
transistors
contamination
leakage
8 Citations (Scopus)

Two-step synthesis and characterization of vertically stacked SnS-WS2 and SnS-MoS2 p-n heterojunctions

Sukma Aji, A., Izumoto, M., Suenaga, K., Yamamoto, K., Nakashima, H. & Ago, H., Jan 1 2018, In : Physical Chemistry Chemical Physics. 20, 2, p. 889-897 9 p.

Research output: Contribution to journalArticle

Heterojunctions
heterojunctions
synthesis
Chemical vapor deposition
vapor deposition
1 Citation (Scopus)
trajectory control
Sputter deposition
interlayers
Nitrogen
Metals
2017
1 Citation (Scopus)

Corrosion behavior of volcanic ash and calcium magnesium aluminosilicate on Yb2SiO5 environmental barrier coatings

Jang, B., Feng, F. J., Suzuta, K., Tanaka, H., Matsushita, Y., Lee, K. S. & Ueno, S., Apr 1 2017, In : Journal of the Ceramic Society of Japan. 125, 4, p. 326-332 7 p.

Research output: Contribution to journalArticle

Ashes
Volcanic Eruptions
Aluminosilicates
ashes
Magnesium
1 Citation (Scopus)

Effect of n-type doping level on direct band gap electroluminescence intensity for asymmetric metal/Ge/metal diodes

Maekura, T., Tanaka, K., Motoyama, C., Yoneda, R., Yamamoto, K., Nakashima, H. & Wang, D., Aug 30 2017, In : Semiconductor Science and Technology. 32, 10, 104001.

Research output: Contribution to journalArticle

Electroluminescence
electroluminescence
Diodes
Energy gap
Metals
4 Citations (Scopus)

Effect of post annealing on hole mobility of pseudo-single-crystalline germanium films on glass substrates

Kasahara, K., Higashi, H., Nakano, M., Nagatomi, Y., Yamamoto, K., Nakashima, H. & Hamaya, K., Nov 1 2017, In : Materials Science in Semiconductor Processing. 70, p. 68-72 5 p.

Research output: Contribution to journalArticle

Germanium
Hole mobility
hole mobility
germanium
Electric properties

Effect of water vapor on static fatigue behavior of a nickel/yttria-stabilized zirconia composite

Matsudaira, T., Jang, B., Kim, S. D. & Woo, S. K., May 1 2017, In : Journal of the Ceramic Society of Japan. 125, 5, p. 416-418 3 p.

Research output: Contribution to journalReview article

Yttria stabilized zirconia
Steam
yttria-stabilized zirconia
Nickel
Water vapor
4 Citations (Scopus)

Electrical properties of epitaxial Lu- or Y-doped La2O3/La2O3/Ge high-k gate-stacks

Kanashima, T., Yamashiro, R., Zenitaka, M., Yamamoto, K., Wang, D., Tadano, J., Yamada, S., Nohira, H., Nakashima, H. & Hamaya, K., Nov 1 2017, In : Materials Science in Semiconductor Processing. 70, p. 260-264 5 p.

Research output: Contribution to journalArticle

Lutetium
Germanium
lutetium
germanium
Electric properties
2 Citations (Scopus)
Field effect transistors
field effect transistors
conduction
Fabrication
space transportation system
2 Citations (Scopus)

Mechanism of mobility enhancement in Ge p-channel metal-oxide-semiconductor field-effect transistor due to introduction of Al atoms into SiO2/GeO2 gate stack

Nagatomi, Y., Tateyama, T., Tanaka, S., Wen, W. C., Sakaguchi, T., Yamamoto, K., Zhao, L., Wang, D. & Nakashima, H., Nov 1 2017, In : Materials Science in Semiconductor Processing. 70, p. 246-253 8 p.

Research output: Contribution to journalArticle

MOSFET devices
metal oxide semiconductors
field effect transistors
Annealing
Atoms
2016

Characteristics of bulk and coating in Gd2-xZr2+xO7+0.5x(x = 0.0, 0.5, 1.0) system for thermal barrier coatings

Kim, S. J., Lee, S. M., Oh, Y. S., Kim, H. T., Jang, B. K. & Kim, S., Nov 2016, In : Journal of the Korean Ceramic Society. 53, 6, p. 652-658 7 p.

Research output: Contribution to journalArticle

Thermal barrier coatings
Suspensions
Gadolinium
Zirconia
Coatings

Consideration of the formation mechanism of an Al2O3-HfO2 eutectic film on a SiC substrate

Seya, K., Ueno, S., Nishimura, T. & Jang, B., Jan 1 2016, In : Journal of the Korean Physical Society. 68, 1, p. 73-76 4 p.

Research output: Contribution to journalArticle

eutectics
zone melting
melting points
heating
electric furnaces

Thermal behavior and mechanical properties of Y2SiO5 environmental barrier coatings after isothermal heat treatment

Jang, B. K., Feng, F. J., Lee, K. S., García, E., Nistal, A., Nagashima, N., Kim, S., Oh, Y. S. & Kim, H. T., Dec 25 2016, In : Surface and Coatings Technology. 308, p. 24-30 7 p.

Research output: Contribution to journalArticle

heat treatment
Heat treatment
mechanical properties
coatings
Coatings
2015
2 Citations (Scopus)

Directional property evaluation of spark plasma sintered GNPs-reinforced hydroxyapatite composites

Bajpai, I., Kim, D. Y., Han, Y. H., Jang, B. K. & Kim, S., Jun 8 2015, In : Materials Letters. 158, p. 62-65 4 p.

Research output: Contribution to journalArticle

Graphite
Durapatite
sparks
Electric sparks
Hydroxyapatite

Formation of Al2O3 - HfO2 eutectic EBC film on silicon carbide substrate

Seya, K., Ueno, S. & Jang, B. K., Jan 1 2015, In : Journal of Nanomaterials. 2015, 318278.

Research output: Contribution to journalReview article

Silicon carbide
Eutectics
Carbon
Substrates
Molten materials
4 Citations (Scopus)

Microstructure formation of Al2O3-HfO2 eutectic

Seya, K., Jang, B. K. & Ueno, S., Jan 1 2015, In : Journal of the Ceramic Society of Japan. 123, 1437, p. 433-436 4 p.

Research output: Contribution to journalArticle

eutectics
Eutectics
solidification
Solidification
rapid solidification
1 Citation (Scopus)

Thermal conductivity of ZrO2-4mol%Y2O3 thin coatings by pulsed thermal imaging method

Jang, B., Sun, J., Kim, S., Oh, Y. S., Lee, S. M. & Kim, H. T., Dec 25 2015, In : Surface and Coatings Technology. 284, p. 57-62 6 p.

Research output: Contribution to journalArticle

Infrared imaging
Thermal conductivity
thermal conductivity
coatings
Coatings

Transmission electron microscopy investigation of hot-pressed ZrB2-SiC with B4C additive

Kim, S., Chae, J. M., Lee, S. M., Oh, Y. S., Kim, H. T. & Jang, B. K., Nov 2015, In : Journal of the Korean Ceramic Society. 52, 6, p. 462-466 5 p.

Research output: Contribution to journalArticle

Transmission electron microscopy
Microstructure
Oxides
Melting point
Sintering
2014
24 Citations (Scopus)

Change in microstructures and physical properties of ZrB2-SiC ceramics hot-pressed with a variety of SiC sources

Kim, S., Chae, J. M., Lee, S. M., Oh, Y. S., Kim, H. T. & Jang, B., Mar 1 2014, In : Ceramics International. 40, 2, p. 3477-3483 7 p.

Research output: Contribution to journalArticle

Hot pressing
Grain growth
Thermal conductivity
Physical properties
Microstructure
14 Citations (Scopus)

Characterization of multiwalled carbon nanotube-reinforced hydroxyapatite composites consolidated by spark plasma sintering

Kim, D. Y., Han, Y. H., Lee, J. H., Kang, I. K., Jang, B. K. & Kim, S., 2014, In : BioMed Research International. 2014, 768254.

Research output: Contribution to journalArticle

Carbon Nanotubes
Spark plasma sintering
Multiwalled carbon nanotubes (MWCN)
Durapatite
Composite materials
5 Citations (Scopus)

Control of bond coat microstructure in HVOF process for thermal barrier coatings

Myoung, S. W., Lu, Z., Jung, Y. G., Jang, B. K. & Paik, U., Dec 15 2014, In : Surface and Coatings Technology. 260, p. 63-67 5 p.

Research output: Contribution to journalArticle

Thermal barrier coatings
Hardness
coatings
microstructure
Microstructure
2 Citations (Scopus)

Effect of la2o3 addition on interface chemistry between 4YSZ top layer and Ni based alloy bond coat in thermal barrier coating by EB PVD

Park, C. Y., Yang, Y. H., Kim, S. W., Lee, S. M., Kim, H. T., Jang, B. K., Lim, D. S. & Oh, Y. S., Nov 1 2014, In : Journal of nanoscience and nanotechnology. 14, 11, p. 8659-8664 6 p.

Research output: Contribution to journalArticle

Thermal Conductivity
Thermal barrier coatings
Physical vapor deposition
Electron beams
Hot Temperature
2 Citations (Scopus)

Effect of plasma pretreatment on thermal durability of thermal barrier coatings in cyclic thermal exposure

Myoung, S. W., Lu, Z., Jung, Y. G., Jang, B. K., Yoo, Y. S., Seo, S. M., Choi, B. G. & Jo, C. Y., 2014, In : Advances in Materials Science and Engineering. 2014, 593891.

Research output: Contribution to journalArticle

Thermal barrier coatings
Durability
Plasmas
Air
Hot Temperature
2013

Development of metal source/drain Ge-CMOS using TiN/Ge and HfGe/Ge contacts

Nakashima, H., Yamamoto, K. & Wang, D., Jan 1 2013, In : ECS Transactions. 58, 9, p. 167-178 12 p.

Research output: Contribution to journalArticle

Fabrication
Carrier mobility
Fermi level
Metals
Electrons
2 Citations (Scopus)

Effect of carbon content on the tribological behavior of TiCxN1-x films prepared by arc-vapor deposition

Nguyen, X. H., Kim, I. K., Jang, B. K. & Oh, Y. S., Dec 2013, In : Journal of the Ceramic Society of Japan. 121, 1420, p. 961-967 7 p.

Research output: Contribution to journalArticle

Vapor deposition
Carbon
arcs
vapor deposition
Carbon nitride
10 Citations (Scopus)

Effect of Gd2O3 on the thermal conductivity of ZrO2-4 mol.% Y2O3 ceramics fabricated by spark plasma sintering

Jang, B., Kim, S., Oh, Y. S., Kim, H. T., Sakka, Y. & Murakami, H., Jul 1 2013, In : Scripta Materialia. 69, 2, p. 165-170 6 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Fluorspar
Thermal diffusivity
sparks
Thermal conductivity
7 Citations (Scopus)

Fabrication of dense ZrO2/CNT composites: Influence of bead-milling treatment

Suárez, G., Jang, B. K., Aglietti, E. F. & Sakka, Y., Sep 1 2013, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 44, 9, p. 4374-4381 8 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Zirconia
beads
Carbon nanotubes
Suspensions

Fabrication of metal-nitride/Si contacts with low electron barrier height

Yamamoto, K., Asakawa, K., Wang, D. & Nakashima, H., Jan 1 2013, In : ECS Transactions. 58, 9, p. 53-59 7 p.

Research output: Contribution to journalArticle

Nitrides
Fabrication
Electrons
Metals
Sputtering
2012
14 Citations (Scopus)
MIS (semiconductors)
passivity
capacitors
spectroscopy
traps
21 Citations (Scopus)

Fabrication of TiN/Ge contact with extremely low electron barrier height

Yamamoto, K., Harada, K., Yang, H., Wang, D. & Nakashima, H., Jul 1 2012, In : Japanese journal of applied physics. 51, 7 PART 1, 070208.

Research output: Contribution to journalArticle

Leakage currents
Fabrication
fabrication
Electrons
Surface states
3 Citations (Scopus)

Gate stack and source/drain junction formations for high-mobility Ge MOSFETs

Nakashima, H., Yamamoto, K., Yang, H. & Wang, D., Dec 1 2012, SiGe, Ge, and Related Compounds 5: Materials, Processing, and Devices. 9 ed. Vol. 50. p. 205-216 12 p.

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

Thermal diffusion
Carrier mobility
Passivation
Ion implantation
Fabrication
4 Citations (Scopus)
Hole mobility
hole mobility
Condensation
condensation
insulators

Plasma resistance of Y2O3 nanofilms on quartz with different interlayer deposited by EB-PVD

Kim, D. M., Lee, S. M., Kim, I. K., Jang, B. K., Lim, D. S. & Oh, Y. S., Nov 2012, In : Journal of the Ceramic Society of Japan. 120, 1407, p. 539-543 5 p.

Research output: Contribution to journalArticle

Quartz
Physical vapor deposition
Electron beams
interlayers
quartz
16 Citations (Scopus)

Schottky source/drain Ge metal-oxide-semiconductor field-effect transistors with directly contacted TiN/Ge and HfGe/Ge structures

Yamamoto, K., Yamanaka, T., Harada, K., Sada, T., Sakamoto, K., Kojima, S., Yang, H., Wang, D. & Nakashima, H., May 1 2012, In : Applied Physics Express. 5, 5, 051301.

Research output: Contribution to journalArticle

MOSFET devices
metal oxide semiconductors
field effect transistors
Sputter deposition
MOS devices
8 Citations (Scopus)

Source/drain junction fabrication for Ge metal-oxide-semiconductor field-effect transistors

Yamamoto, K., Yamanaka, T., Ueno, R., Hirayama, K., Yang, H., Wang, D. & Nakashima, H., Feb 1 2012, In : Thin Solid Films. 520, 8, p. 3382-3386 5 p.

Research output: Contribution to journalArticle

MOSFET devices
metal oxide semiconductors
field effect transistors
Leakage currents
Fabrication
2011
3 Citations (Scopus)

Alignment of carbon nanofibers in the Al2O3 matrix under a magnetic field

Jang, B. K., Tsuda, K. & Sakka, Y., Mar 1 2011, In : Materials Transactions. 52, 3, p. 572-575 4 p.

Research output: Contribution to journalArticle

Carbon nanofibers
alignment
Magnetic fields
carbon
matrices

Defect evaluation by photoluminescence for uniaxially strained Si-on-insulator

Wang, D., Yamamoto, K., Gao, H., Yang, H. & Nakashima, H., Jul 1 2011, China Semiconductor Technology International Conference 2011, CSTIC 2011. 1 ed. p. 1117-1122 6 p. (ECS Transactions; vol. 34, no. 1).

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

Photoluminescence
Strain relaxation
Defects
Annealing
Electron cyclotron resonance

Defect evaluation by photoluminescence for uniaxially strained Si-On-insulator

Wang, D., Yamamoto, K., Gao, H., Yang, H. & Nakashima, H., Nov 22 2011, In : Journal of the Electrochemical Society. 158, 12, p. H1221-H1224

Research output: Contribution to journalArticle

Strain relaxation
Photoluminescence
insulators
photoluminescence
Defects
2 Citations (Scopus)

Effective passivation of defects in Ge-rich SiGe-on-insulator substrates by Al2O3 deposition and subsequent post-annealing

Yang, H., Iyota, M., Ikeura, S., Wang, D. & Nakashima, H., Jun 1 2011, In : Solid-State Electronics. 60, 1, p. 128-133 6 p.

Research output: Contribution to journalArticle

Passivation
passivity
insulators
Annealing
Defects

Effect of Al2O3 deposition and subsequent annealing on passivation of defects in Ge-rich SiGe-on-insulator

Yang, H., Iyota, M., Ikeura, S., Wang, D. & Nakashima, H., Mar 23 2011, Technology Evolution for Silicon Nano-Electronics. p. 79-84 6 p. (Key Engineering Materials; vol. 470).

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

Passivation
Annealing
Defects
Personal digital assistants
Hole concentration
23 Citations (Scopus)

Fabrication of Ge metal-oxide-semiconductor capacitors with high-quality interface by ultrathin SiO2/GeO2 bilayer passivation and postmetallization annealing effect of al

Hirayama, K., Ueno, R., Iwamura, Y., Yoshino, K., Wang, D., Yang, H. & Nakashima, H., Apr 1 2011, In : Japanese Journal of Applied Physics. 50, 4 PART 2, 04DA10.

Research output: Contribution to journalArticle

Passivation
metal oxide semiconductors
passivity
capacitors
Capacitors
18 Citations (Scopus)

Fabrication of Ge-MOS capacitors with high quality interface by ultra-thin SiO2/GeO2 bi-layer passivation combined with the subsequent SiO2-depositions using magnetron sputtering

Hirayama, K., Yoshino, K., Ueno, R., Iwamura, Y., Yang, H., Wang, D. & Nakashima, H., Jun 1 2011, In : Solid-State Electronics. 60, 1, p. 122-127 6 p.

Research output: Contribution to journalArticle

MOS capacitors
Passivation
Magnetron sputtering
passivity
capacitors
21 Citations (Scopus)

Formation and thermal properties of fluorite-pyrochlore composite structure in La2(ZrxCe1 - X)2O7 oxide system

Kwak, K. H., Shim, B. C., Lee, S. M., Oh, Y. S., Kim, H. T., Jang, B. K. & Kim, S., Oct 1 2011, In : Materials Letters. 65, 19-20, p. 2937-2940 4 p.

Research output: Contribution to journalArticle

Fluorspar
composite structures
fluorite
Composite structures
Oxides
29 Citations (Scopus)
MOSFET devices
Passivation
metal oxide semiconductors
passivity
field effect transistors