研究成果 1998 2019

フィルター
記事
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., 1 1 2019, : : Japanese Journal of Applied Physics. 58, SB, SBBE05.

研究成果: ジャーナルへの寄稿記事

公開
Electroluminescence
Diodes
diodes
insulators
Fabrication
公開
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., 6 15 2019, : : Ceramics International. 45, 9, p. 12406-12410 5 p.

研究成果: ジャーナルへの寄稿記事

Spark plasma sintering
Silicon carbide
Sintering
Carbon
Powders

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., 5 27 2019, : : Applied Physics Letters. 114, 21, 212107.

研究成果: ジャーナルへの寄稿記事

公開
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., 11 28 2018, : : Journal of Applied Physics. 124, 20, 205303.

研究成果: ジャーナルへの寄稿記事

borders
metal oxide semiconductors
traps
capacitors
evaluation
6 引用 (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., 6 7 2018, : : Journal of Applied Physics. 123, 21, 215704.

研究成果: ジャーナルへの寄稿記事

electrical properties
crystallization
transistors
contamination
leakage
8 引用 (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., 1 1 2018, : : Physical Chemistry Chemical Physics. 20, 2, p. 889-897 9 p.

研究成果: ジャーナルへの寄稿記事

Heterojunctions
heterojunctions
synthesis
Chemical vapor deposition
vapor deposition
1 引用 (Scopus)
trajectory control
Sputter deposition
interlayers
Nitrogen
Metals
2017
1 引用 (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., 4 1 2017, : : Journal of the Ceramic Society of Japan. 125, 4, p. 326-332 7 p.

研究成果: ジャーナルへの寄稿記事

Ashes
Volcanic Eruptions
Aluminosilicates
ashes
Magnesium
1 引用 (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., 8 30 2017, : : Semiconductor Science and Technology. 32, 10, 104001.

研究成果: ジャーナルへの寄稿記事

Electroluminescence
electroluminescence
Diodes
Energy gap
Metals
4 引用 (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., 11 1 2017, : : Materials Science in Semiconductor Processing. 70, p. 68-72 5 p.

研究成果: ジャーナルへの寄稿記事

Germanium
Hole mobility
hole mobility
germanium
Electric properties
3 引用 (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., 11 1 2017, : : Materials Science in Semiconductor Processing. 70, p. 260-264 5 p.

研究成果: ジャーナルへの寄稿記事

Lutetium
Germanium
lutetium
germanium
Electric properties
2 引用 (Scopus)
Field effect transistors
field effect transistors
conduction
Fabrication
space transportation system
2 引用 (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., 11 1 2017, : : Materials Science in Semiconductor Processing. 70, p. 246-253 8 p.

研究成果: ジャーナルへの寄稿記事

MOSFET devices
metal oxide semiconductors
field effect transistors
Annealing
Atoms
2016

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

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

研究成果: ジャーナルへの寄稿記事

eutectics
zone melting
melting points
heating
electric furnaces

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

Jang, B., Feng, F. J., Lee, K. S., García, E., Nistal, A., Nagashima, N., Kim, S., Oh, Y. S. & Kim, H. T., 12 25 2016, : : Surface and Coatings Technology. 308, p. 24-30 7 p.

研究成果: ジャーナルへの寄稿記事

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

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

Bajpai, I., Kim, D. Y., Han, Y. H., Jang, B. & Kim, S., 6 8 2015, : : Materials Letters. 158, p. 62-65 4 p.

研究成果: ジャーナルへの寄稿記事

Graphite
Durapatite
sparks
Electric sparks
Hydroxyapatite
1 引用 (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., 12 25 2015, : : Surface and Coatings Technology. 284, p. 57-62 6 p.

研究成果: ジャーナルへの寄稿記事

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., 11 1 2015, : : Journal of the Korean Ceramic Society. 52, 6, p. 462-466 5 p.

研究成果: ジャーナルへの寄稿記事

Transmission electron microscopy
Microstructure
Oxides
Melting point
Sintering
2014
2 引用 (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., Lim, D. S. & Oh, Y. S., 11 1 2014, : : Journal of nanoscience and nanotechnology. 14, 11, p. 8659-8664 6 p.

研究成果: ジャーナルへの寄稿記事

Thermal Conductivity
Thermal barrier coatings
Physical vapor deposition
Electron beams
Hot Temperature
2013

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

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

研究成果: ジャーナルへの寄稿記事

Fabrication
Carrier mobility
Fermi level
Metals
Electrons
10 引用 (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., 7 1 2013, : : Scripta Materialia. 69, 2, p. 165-170 6 p.

研究成果: ジャーナルへの寄稿記事

Spark plasma sintering
Fluorspar
Thermal diffusivity
sparks
Thermal conductivity

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

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

研究成果: ジャーナルへの寄稿記事

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

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

Yamamoto, K., Harada, K., Yang, H., Wang, D. & Nakashima, H., 7 1 2012, : : Japanese Journal of Applied Physics. 51, 7 PART 1, 070208.

研究成果: ジャーナルへの寄稿記事

Leakage currents
Fabrication
fabrication
Electrons
Surface states
4 引用 (Scopus)
Hole mobility
hole mobility
Condensation
condensation
insulators
16 引用 (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., 5 1 2012, : : Applied Physics Express. 5, 5, 051301.

研究成果: ジャーナルへの寄稿記事

MOSFET devices
metal oxide semiconductors
field effect transistors
Sputter deposition
MOS devices
8 引用 (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., 2 1 2012, : : Thin Solid Films. 520, 8, p. 3382-3386 5 p.

研究成果: ジャーナルへの寄稿記事

MOSFET devices
metal oxide semiconductors
field effect transistors
Leakage currents
Fabrication
2011

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

Wang, D., Yamamoto, K., Gao, H., Yang, H. & Nakashima, H., 11 22 2011, : : Journal of the Electrochemical Society. 158, 12

研究成果: ジャーナルへの寄稿記事

Strain relaxation
Photoluminescence
insulators
photoluminescence
Defects
2 引用 (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., 6 1 2011, : : Solid-State Electronics. 60, 1, p. 128-133 6 p.

研究成果: ジャーナルへの寄稿記事

Passivation
passivity
insulators
Annealing
Defects
23 引用 (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., 4 1 2011, : : Japanese Journal of Applied Physics. 50, 4 PART 2, 04DA10.

研究成果: ジャーナルへの寄稿記事

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

Fabrication of Ge-MOS capacitors with high quality interface by ultra-thin SiO 2 /GeO 2 bi-layer passivation combined with the subsequent SiO 2 -depositions using magnetron sputtering

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

研究成果: ジャーナルへの寄稿記事

MOS capacitors
Passivation
Magnetron sputtering
passivity
capacitors
19 引用 (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. & Kim, S., 10 1 2011, : : Materials Letters. 65, 19-20, p. 2937-2940 4 p.

研究成果: ジャーナルへの寄稿記事

Fluorspar
composite structures
fluorite
Composite structures
Oxides
29 引用 (Scopus)
MOSFET devices
Passivation
metal oxide semiconductors
passivity
field effect transistors
3 引用 (Scopus)
Strain relaxation
Electron diffraction
Membranes
Finite element method
Transmission electron microscopy
42 引用 (Scopus)

Ohmic contact formation on n-type Ge by direct deposition of TiN

Iyota, M., Yamamoto, K., Wang, D., Yang, H. & Nakashima, H., 5 9 2011, : : Applied Physics Letters. 98, 19, 192108.

研究成果: ジャーナルへの寄稿記事

electric contacts
annealing
p-n junctions
interlayers
temperature
18 引用 (Scopus)

Postmetallization annealing effect of TiN-gate Ge metal-oxide-semiconductor capacitor with ultrathin SiO 2 / GeO 2 bilayer passivation

Nakashima, H., Iwamura, Y., Sakamoto, K., Wang, D., Hirayama, K., Yamamoto, K. & Yang, H., 6 20 2011, : : Applied Physics Letters. 98, 25, 252102.

研究成果: ジャーナルへの寄稿記事

metal oxide semiconductors
passivity
capacitors
annealing
nitrogen atoms
16 引用 (Scopus)

Thermal conductivity of EB-PVD ZrO2-4 mol% Y2O 3 films using the laser flash method

Jang, B., Sakka, Y., Yamaguchi, N., Matsubara, H. & Kim, H. T., 1 21 2011, : : Journal of Alloys and Compounds. 509, 3, p. 1045-1049 5 p.

研究成果: ジャーナルへの寄稿記事

Physical vapor deposition
Thermal conductivity
Coatings
Lasers
Thermal diffusivity
2010

325 nm-laser-excited micro-photoluminescence for strained Si films

Wang, D., Yang, H., Kitamura, T. & Nakashima, H., 2 26 2010, : : Thin Solid Films. 518, 9, p. 2470-2473 4 p.

研究成果: ジャーナルへの寄稿記事

Photoluminescence
photoluminescence
Lasers
lasers
Laser excitation
10 引用 (Scopus)

Defect control by Al deposition and the subsequent post-annealing for SiGe-on-insulator substrates with different Ge fractions

Yang, H., Wang, D., Nakashima, H., Hirayama, K., Kojima, S. & Ikeura, S., 2 26 2010, : : Thin Solid Films. 518, 9, p. 2342-2345 4 p.

研究成果: ジャーナルへの寄稿記事

Personal digital assistants
insulators
Annealing
Defects
annealing

Electrical characterization of high-k gate dielectrics on Ge with HfGeN and GeO2 interlayers

Hirayama, K., Kira, W., Yoshino, K., Yang, H., Wang, D. & Nakashima, H., 2 26 2010, : : Thin Solid Films. 518, 9, p. 2505-2508 4 p.

研究成果: ジャーナルへの寄稿記事

Gate dielectrics
interlayers
Annealing
annealing
Electron cyclotron resonance
2 引用 (Scopus)
thick films
excitons
photoluminescence
penetration
lasers
Electron diffraction
finite element method
electron diffraction
membranes
Membranes
1 引用 (Scopus)

Microstructure and strain distribution in freestanding Si membrane strained by SixNy deposition

Gao, H., Ikeda, K. I., Hata, S., Nakashima, H., Wang, D. & Nakashima, H., 9 1 2010, : : Materials Science and Engineering A. 527, 24-25, p. 6633-6637 5 p.

研究成果: ジャーナルへの寄稿記事

strain distribution
membranes
Membranes
microstructure
Microstructure
3 引用 (Scopus)

Passivation of electrically active defects in Ge-Rich SiGe-on-insulator by Al2O3 deposition and subsequent post-deposition annealing

Yang, H., Iyota, M., Ikeura, S., Wang, D. & Nakashima, H., 7 2010, : : Applied Physics Express. 3, 7, 071302.

研究成果: ジャーナルへの寄稿記事

Passivation
passivity
insulators
Annealing
Defects
2 引用 (Scopus)

Strain distribution in freestanding Si/SixNy membranes studied by transmission electron microscopy

Gao, H., Ikeda, K. I., Hata, S., Nakashima, H., Wang, D. & Nakashima, H., 9 30 2010, : : Thin Solid Films. 518, 23, p. 6787-6791 5 p.

研究成果: ジャーナルへの寄稿記事

strain distribution
membranes
Transmission electron microscopy
Membranes
transmission electron microscopy
2009
22 引用 (Scopus)
condensation
insulators
metal oxide semiconductors
Hall effect
field effect transistors
4 引用 (Scopus)
Condensation
Photoluminescence
condensation
insulators
photoluminescence
2008
9 引用 (Scopus)

Dependences of effective work functions of TaN on HfO2 and SiO2 on post-metallization anneal

Sugimoto, Y., Kajiwara, M., Yamamoto, K., Suehiro, Y., Wang, D. & Nakashima, H., 11 3 2008, : : Thin Solid Films. 517, 1, p. 204-206 3 p.

研究成果: ジャーナルへの寄稿記事

Metallizing
Wet etching
Oxides
Structural properties
Electric properties
3 引用 (Scopus)
Gate dielectrics
Oxides
Annealing
Plasmas
Oxidation