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1

Formation and structural characterization of nanocrystalline Si/SiC multilayers grown by hot filament assisted chemical vapor deposition using CH3SiH3 gas jets

Yoshifumi Ikoma, Ryousuke Okuyama, Makoto Arita, Teruaki Motooka

Journal:

Thin Solid Films

Year:

2010

Language:

english

File:

PDF, 326 KB

english, 2010

2

Plastic deformation and allotropic phase transformations in zirconia ceramics during high-pressure torsion

Kaveh Edalati, Shoichi Toh, Yoshifumi Ikoma, Zenji Horita

Journal:

Scripta Materialia

Year:

2011

Language:

english

File:

PDF, 635 KB

english, 2011

3

Allotropic phase transformation and photoluminescence of germanium nanograins processed by high-pressure torsion

Ikoma, Yoshifumi, Toyota, Takamitsu, Ejiri, Yoshimasa, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji

Journal:

Journal of Materials Science

Year:

2016

Language:

english

File:

PDF, 1.20 MB

english, 2016

4

Effects of Mg doping on growth and structures of polycrystalline GaN by remote plasma MOCVD

Takeshi Iwanaga, Shigeru Yagi, Yoshifumi Ikoma, Teruaki Motooka

Journal:

Journal of Crystal Growth

Year:

2005

Language:

english

File:

PDF, 283 KB

english, 2005

5

Formation of silicon nanodots from dysprosium-doped amorphous SiCxOy films grown by hot-filament assisted chemical vapor deposition of CH3SiH3 and Dy(DPM)3 gas jets

Yoshifumi Ikoma, Takayoshi Masaki, Shinji Kawai, Teruaki Motooka

Journal:

Applied Surface Science

Year:

2007

Language:

english

File:

PDF, 475 KB

english, 2007

6

Growth and characterization of Fe3O4 films

Jian Ding, Di Zhang, Makoto Arita, Yoshifumi Ikoma, Kazuki Nakamura, Katsuhiko Saito, Qixin Guo

Journal:

Materials Research Bulletin

Year:

2011

Language:

english

File:

PDF, 917 KB

english, 2011

7

Graphite to diamond-like carbon phase transformation by high-pressure torsion

Edalati, Kaveh, Daio, Takeshi, Ikoma, Yoshifumi, Arita, Makoto, Horita, Zenji

Journal:

Applied Physics Letters

Year:

2013

Language:

english

File:

PDF, 1.94 MB

english, 2013

8

SPIE Proceedings [SPIE Sixth International Conference on Thin Film Physics and Applications - Shanghai, China (Tuesday 25 September 2007)] Sixth International Conference on Thin Film Physics and Applications - New approach to formation of nanopore on SOI: SiC/Si heteroepitaxial growth by supersonic jet CVD

Ikoma, Yoshifumi, Ono, Kenta, Uenuma, Mutsunori, Ogata, Tomohiko, Motooka, Teruaki, Shen, Wenzhong, Chu, Junhao

Year:

2008

Language:

english

File:

PDF, 579 KB

english, 2008

9

SPIE Proceedings [SPIE Seventh International Conference on Thin Film Physics and Applications - Shanghai, China (Friday 24 September 2010)] Seventh International Conference on Thin Film Physics and Applications - Position-controlled formation of Si nanopores by chemical vapor deposition of SiC/SOI(100)

Ikoma, Yoshifumi, Yahaya, Hafizal, Sakita, Hirofumi, Nishino, Yuta, Motooka, Teruaki, Chu, Junhao, Wang, Zhanshan

Year:

2011

Language:

english

File:

PDF, 4.18 MB

english, 2011

10

SPIE Proceedings [SPIE Seventh International Conference on Thin Film Physics and Applications - Shanghai, China (Friday 24 September 2010)] Seventh International Conference on Thin Film Physics and Applications - Fabrication of nanopores utilizing SiC/Si(001) heteroepitaxial growth on SOI substrates: nanopore density control

Yahaya, Hafizal, Ikoma, Yoshifumi, Kuriyama, Keiji, Motooka, Teruaki, Chu, Junhao, Wang, Zhanshan

Year:

2011

Language:

english

File:

PDF, 6.69 MB

english, 2011

11

Effects of oxygen gas pressure on properties of iron oxide films grown by pulsed laser deposition

Guo, Qixin, Shi, Wangzhou, Liu, Feng, Arita, Makoto, Ikoma, Yoshifumi, Saito, Katsuhiko, Tanaka, Tooru, Nishio, Mitsuhiro

Journal:

Journal of Alloys and Compounds

Year:

2013

Language:

english

File:

PDF, 790 KB

english, 2013

12

Fabrication of nanograined silicon by high-pressure torsion

Ikoma, Yoshifumi, Hayano, Kazunori, Edalati, Kaveh, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji, Aoki, Toshihiro, Smith, David J.

Journal:

Journal of Materials Science

Year:

2014

Language:

english

File:

PDF, 1.62 MB

english, 2014

13

Thermal conductivity reduction of crystalline silicon by high-pressure torsion

Sivasankaran Harish,Mitsuru Tabara,Yoshifumi Ikoma…

Journal:

Nanoscale Research Letters

Year:

2014

Language:

english

File:

PDF, 521 KB

english, 2014

14

Nanograin formation of GaAs by high-pressure torsion

Ikoma, Yoshifumi, Ejiri, Yoshimasa, Hayano, Kazunori, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji

Journal:

Philosophical Magazine Letters

Year:

2014

Language:

english

File:

PDF, 485 KB

english, 2014

15

Phase transformation and nanograin refinement of silicon by processing through high-pressure torsion

Ikoma, Yoshifumi, Hayano, Kazunori, Edalati, Kaveh, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji

Journal:

Applied Physics Letters

Year:

2012

Language:

english

File:

PDF, 1.24 MB

english, 2012

16

Characterization of epitaxial ZnTe layers grown on GaAs substrates by transmission electron microscopy and photoluminescence

Zhang, Fabi, Ikoma, Yoshifumi, Zhang, Jinping, Xu, Ke, Saito, Katsuhiko, Guo, Qixin

Journal:

Journal of Vacuum Science & Technology A Vacuum Surfaces and Films

Year:

2012

Language:

english

File:

PDF, 1.05 MB

english, 2012

17

Hole Resonant Tunneling through SiC/Si-dot/SiC Heterostructures

Ikoma, Yoshifumi, Uchiyama, K., Watanabe, Fumio, Motooka, Teruaki

Journal:

Materials Science Forum

Year:

2002

File:

PDF, 318 KB

2002

18

Formation of Nanocrystalline Si by Au-Catalyzed CH3SiH3 Pulse Jet CVD

Abe, Toshiaki, Anan, Shouhei, Watanabe, Fumiya, Takahashi, Ryoji, Ikoma, Yoshifumi

Journal:

Materials Science Forum

Year:

2013

Language:

english

File:

PDF, 1.13 MB

english, 2013

19

Nanopore Formation on SOI(100) by CH3SiH3 Pulse Jet CVD: SiC Growth Temperature Dependence

Ikoma, Yoshifumi, Nishino, Yuta, Anan, Shouhei, Abe, Toshiaki, Sakita, Hirofumi

Journal:

Materials Science Forum

Year:

2013

Language:

english

File:

PDF, 1.21 MB

english, 2013

20

Carbonization of SIMOX Substrates for Fabrication of Single-crystal SiC-on-insulator

Harada, Shinsuke, Arita, M., Ikoma, Yoshifumi, Motooka, Teruaki

Journal:

Materials Science Forum

Year:

2000

File:

PDF, 479 KB

2000

21

Formation and Current-Voltage Characteristics of SiC/Si-dot/SiC Resonant Tunneling Diodes

Ikoma, Yoshifumi, Tada, T., Uchiyama, K., Watanabe, Fumio, Motooka, Teruaki

Journal:

Solid State Phenomena

Year:

2001

Language:

english

File:

PDF, 427 KB

english, 2001

22

Formation of SiC/Si Multilayer Structures on Si(100) by Supersonic Free Jets of Single Gas Source CH3SiH3

Ikoma, Yoshifumi, Ohtani, R., Motooka, Teruaki

Journal:

Materials Science Forum

Year:

2004

Language:

english

File:

PDF, 2.44 MB

english, 2004

23

Growth of 3C-SiC/Si Multilayer Heterostructures by Supersonic Free Jets

Ikoma, Yoshifumi, Endo, Takeshi, Tada, T., Watanabe, Fumio, Motooka, Teruaki

Journal:

Materials Science Forum

Year:

2000

File:

PDF, 381 KB

2000

24

Formation of Si/SiC heterostructures for silicon-based quantum devices using single CH3SiH3-gas source free jet

Ohtani, Ryota, Ikoma, Yoshifumi, Motooka, Teruaki

Journal:

MRS Proceedings

Year:

2004

Language:

english

File:

PDF, 738 KB

english, 2004

25

Plastic Deformation of BaTiO 3 Ceramics by High-pressure Torsion and Changes in Phase Transformations, Optical and Dielectric Properties

Edalati, Kaveh, Arimura, Masashi, Ikoma, Yoshifumi, Daio, Takeshi, Miyata, Moriji, Smith, David J., Horita, Zenji

Journal:

Materials Research Letters

Year:

2015

Language:

english

File:

PDF, 1.04 MB

english, 2015

26

Negative capillary-pressure-induced cavitation probability in nanochannels

Zhang, Ruijing, Ikoma, Yoshifumi, Motooka, Teruaki

Journal:

Year:

2010

Language:

english

File:

PDF, 464 KB

english, 2010

27

Phase transformation of germanium by processing through high-pressure torsion: strain and temperature effects

Ikoma, Yoshifumi, Kumano, Kazuki, Edalati, Kaveh, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji

Journal:

Philosophical Magazine Letters

Year:

2017

Language:

english

File:

PDF, 1.22 MB

english, 2017

28

Thermal transport and thermal stress in a molybdenum film–glass substrate system

Miao, Tingting, Ma, Weigang, Yan, Shen, Zhang, Xing, Kohno, Masamichi, Takata, Yasuyuki, Ikoma, Yoshifumi

Journal:

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures

Year:

2016

Language:

english

File:

PDF, 983 KB

english, 2016

29

Large enhancement of superconducting transition temperature in single-element superconducting rhenium by shear strain

Mito, Masaki, Matsui, Hideaki, Tsuruta, Kazuki, Yamaguchi, Tomiko, Nakamura, Kazuma, Deguchi, Hiroyuki, Shirakawa, Naoki, Adachi, Hiroki, Yamasaki, Tohru, Iwaoka, Hideaki, Ikoma, Yoshifumi, Horita, Ze

Journal:

Scientific Reports

Year:

2016

Language:

english

File:

PDF, 854 KB

english, 2016

30

High-resolution transmission electron microscopy analysis of nanograined germanium produced by high-pressure torsion

Ikoma, Yoshifumi, Kumano, Kazuki, Edalati, Kaveh, McCartney, Martha R., Smith, David J., Horita, Zenji

Journal:

Materials Characterization

Year:

2017

Language:

english

File:

PDF, 2.12 MB

english, 2017

31

High Resolution TEM Observation of Nanocrystalline Silicon Fabricated by High Pressure Torsion (HPT)

Fukushima, Yuta, Edalati, Kaveh, Ikoma, Yoshifumi, Horita, Zenji, Smith, David J.

Journal:

Microscopy and Microanalysis

Year:

2015

Language:

english

File:

PDF, 629 KB

english, 2015

32

High-Pressure Zinc Oxide Phase as Visible-Light-Active Photocatalyst with Narrow Band Gap

Razavi-Khosroshahi, Hadi, Edalati, Kaveh, Wu, Ji, Nakashima, Yuki, Arita, Makoto, Ikoma, Yoshifumi, Sadakiyo, Masaaki, Inagaki, Yuji, Staykov, Aleksandar, Yamauchi, Miho, Horita, Zenji, Fuji, Masayosh

Journal:

Journal of Materials Chemistry A

Year:

2017

Language:

english

File:

PDF, 1.15 MB

english, 2017

33

Impact of metastable phases on electrical properties of Si with different doping concentrations after processing by high-pressure torsion

Chon, Bumsoo, Ikoma, Yoshifumi, Kohno, Masamichi, Shiomi, Junichiro, McCartney, Martha R., Smith, David J., Horita, Zenji

Journal:

Scripta Materialia

Year:

2018

Language:

english

File:

PDF, 1.27 MB

english, 2018

34

Crystal and electronic structural changes during annealing in severely deformed Si containing metastable phases formed by high-pressure torsion

Ikoma, Yoshifumi, Chon, Bumsoo, Yamasaki, Terumasa, Takahashi, Kazutoshi, Saito, Katsuhiko, Guo, Qixin, Horita, Zenji

Journal:

Applied Physics Letters

Year:

2018

Language:

english

File:

PDF, 1.66 MB

english, 2018

35

Application of the Zinc Injection Technique for Reducing Radiation Source in PWR Nuclear Power Plants

NAGATA, Nobuaki, WADA, Hiroshi, KADOI, Eiichi, TANIGUCHI, Kazufumi, WATANABE, Yoshifumi, IKOMA, Hideya, SEMBA, Tsuyoshi, HAMAGUCHI, Toshiaki

Journal:

Japanese Journal of Health Physics

Year:

2010

File:

PDF, 1.64 MB

2010

36

Phase transformations, vacancy formation and variations of optical and photocatalytic properties in TiO2-ZnO composites by high-pressure torsion

Hidalgo-Jimenez, Jacqueline, Wang, Qing, Edalati, Kaveh, Cubero-Sesín, Jorge M., Razavi-Khosroshahi, Hadi, Ikoma, Yoshifumi, Gutiérrez-Fallas, Dionisio, Dittel-Meza, Fernando A., Rodríguez-Rufino, Jua

Journal:

International Journal of Plasticity

Year:

2019

Language:

english

File:

PDF, 3.84 MB

english, 2019

37

An unexpected role of atomic oxygen dopants in Au evolution from clusters to a layer

Jeong, Eunwook, Choi, Eun-Ae, Ikoma, Yoshifumi, Yu, Seung Min, Bae, Jong-Seong, Lee, Sang-Geul, Han, Seung Zeon, Lee, Gun-Hwan, Yun, Jungheum

Journal:

Acta Materialia

Year:

2020

File:

PDF, 1.23 MB

2020

38

Formation of metastable bc8 phase from crystalline Si0.5Ge0.5 by high-pressure torsion

Ikoma, Yoshifumi, Yamasaki, Terumasa, Shimizu, Takahiro, Takaira, Marina, Kohno, Masamichi, Guo, Qixin, McCartney, Martha R., Smith, David J., Arai, Yasutomo, Horita, Zenji

Journal:

Materials Characterization

Year:

2020

File:

PDF, 3.92 MB

2020