論文 - 柴山 茂久
-
Emergence of negative differential resistance through hole resonant tunneling in GeSn/GeSiSn double barrier structure 査読有り
Shigehisa Shibayama, Shuto Ishimoto, Yoshiki Kato, Mitsuo Sakashita, Masashi Kurosawa, and Osamu Nakatsuka
IEEE Journal of the Electron Devices Society 13 巻 頁: 79 - 85 2025年1月
-
Epitaxial growth of Ge1−xSnx thin film with Sn composition of 50% and possibility of Ge–Sn ordered bonding structure formation 査読有り
Shigehisa Shibayama, Kaito Shibata, Mitsuo Sakashita, Masashi Kurosawa, and Osamu Nakatsuka
Applied Physics Express 17 巻 頁: 115503-1 - 115503-4 2024年11月
-
Ge0.75Sn0.25 on insulator metal-semiconductor-metal photodetector by layer transfer technique 査読有り 国際共著
Tatsuro Maeda, Hiroyuki Ishii, Wen Hsin Chang, Komei Takagi, Shigehisa Shibayama, Masashi Kurosawa, and Osamu Nakatsuka
Japanese Journal of Applied Physics 64 巻 頁: 01SP11-1 - 01SP11-7 2025年1月
-
Comprehensive study on epitaxial growth of GeSn(111) layers with high Sn content on Si(111) featuring Ge buffer layer 査読有り
Shigehisa Shibayama, Shunsuke Mori, Yoshiki Kato, Mitsuo Sakashita, Masashi Kurosawa, and Osamu Nakatsuka
ECS Transactions (ECST) 114 巻 ( 2 ) 頁: 215 - 224 2024年10月
-
Ge1−xSnx layers with x~0.25 on InP(001) substrate grown by low-temperature molecular beam epitaxy reaching 70 °C and in-situ Sb doping 査読有り
Shigehisa Shibayama, Komei Takagi, Mitsuo Sakashita, Masashi Kurosawa, and Osamu Nakatsuka
Materials Science in Semiconductor Processing 176 巻 頁: 108302-1 - 108302-8 2024年6月
-
Layer transfer of epitaxially grown Ge-lattice-matched Si27.8Ge64.2Sn8 films 査読有り
Tatsuro Maeda, Hiroyuki Ishii, Wen Hsin Chang, Shiyu Zhang, Shigehisa Shibayama, Masashi Kurosawa, and Osamu Nakatsuka
Materials Science in Semiconductor Processing 頁: 108304-1 - 108304-7 2024年6月
-
Tensile-strained Ge1-xSnx layers on Si(001) substrate by solid-phase epitaxy featuring seed layer introduction 招待有り 査読有り
Tatsuma Hiraide, Shigehisa Shibayama, Masashi Kurosawa, Mitsuo Sakashita, and Osamu Nakatsuka
Japanese Journal of Applied Physics 63 巻 ( 4 ) 頁: 045505-1 - 045505-7 2024年4月
-
Self-organized Ge1-xSnx quantum dots formed on insulators and their room temperature photoluminescence 招待有り 査読有り
Kaoru Hashimoto, Shigehisa Shibayama, Koji Asaka, Mitsuo Sakashita, Masashi Kurosawa, and Osamu Nakatsuka
Japanese Journal of Applied Physics 62 巻 頁: 075506-1 - 075506-8 2023年7月
-
Lattice-matched growth of a high-Sn-content (x~0.1) Si1-xSnx layers on Si1-yGey buffers using molecular beam epitaxy 査読有り
Kazuaki Fujimoto, Masashi Kurosawa, Shigehisa Shibayama, Mitsuo Sakashita, and Osamu Nakatsuka
Applied Physics Express 2023年4月
-
Heteroepitaxial growth of CaGe2 films on high-resistivity Si(111) substrates and its application for germanane synthesizing 査読有り
Kazuya Okada, Shigehisa Shibayama, Mitsuo Sakashita, Osamu Nakatsuka, and Masashi Kurosawa
Materials Science in Semiconductor Processing 161 巻 頁: 107462 2023年3月
-
Layer transfer of ultrathin Ge crystals segregated on Al/Ge(111) structure 査読有り
Keigo Matsushita, Akio Ohta, Shigehisa Shibayama, Tomoharu Tokunaga, Noriyuki Taoka, Katsunori Makihara, and Seiichi Miyazaki
Japanese Journal of Applied Physics 62 巻 頁: SG1007-1 - SG1007-8 2023年2月
-
Crystalline and optoelectronic properties of Ge1-xSnx/high-Si-content-SiyGe1-x-ySnx double-quantum wells grown with low-temperature molecular beam epitaxy 査読有り
S. Zhang, S. Shibayama, and O. Nakatsuka
Semiconductor Science and Technology 38 巻 頁: 015018-1 - 015018-10 2022年12月
-
Visualization of local strain in 4H-SiC trench metal-oxide-semiconductor field-effect transistor using synchrotron nanobeam X-ray diffraction 査読有り
Wakana Takeuchi, Eiji Kagoshima, Kazushi Sumitani, Yasuhiko Imai, Shigehisa Shibayama, Mitsuo Sakashita, Shigeru Kimura, Hidemoto Tomita, Tsuyoshi Nishiwaki, and Hirokazu Fujiwara
Japanese Journal of Applied Physics 61 巻 頁: SC1072-1 - SC1072-10 2022年3月
-
Impact of oxide/4H-SiC interface state density on field-effect mobility of counter-doped n-channel 4H-SiC MOSFETs 査読有り
Takuma Doi, Shigehisa Shibayama, Mitsuo Sakashita, Noriyuki Taoka, Mitsuaki Shimizu, and Osamu Nakatsuka
Japanese Journal of Applied Physics 61 巻 頁: 021007-1 - 021007-7 2022年2月
-
Interface structures and electrical properties of micro-fabricated epitaxial Hf-digermanide/n-Ge(001) contacts 査読有り
Kentaro Kasahara, Kazuki Senga, Mitsuo Sakashita, Shigehisa Shibayama, and Osamu Nakatsuka
IEEE Journal of the Electron Devices Society 10 巻 頁: 744 - 750 2021年12月
-
Low-temperature formation of Mg/n-type 4H-SiC ohmic contacts with atomically flat interface by lowering of Schottky barrier height 査読有り
Takuma Doi, Shigehisa Shibayama, Mitsuo Sakashita, Kazutoshi Kojima, Mitsuaki Shimizu, and Osamu Nakatsuka
Applied Physics Express 15 巻 頁: 015501-1 - 015501-4 2021年12月
-
Photoluminescence properties of heavily Sb doped Ge1-xSnx and heterostructure design favorable for n+-Ge1-xSnx active layer 査読有り
Shiyu Zhang, Masahiro Fukuda, Jihee Jeon, Mitsuo Sakashita, Shigehisa Shibayama, and Osamu Nakatsuka
Japanese Journal of Applied Physics 61 巻 頁: SA1004-1 - SA1004-8 2021年12月
-
Lowering of the Schottky barrier height of metal/n-type 4H-SiC contacts using low-work-function metals with thin insulator insertion 査読有り
Takuma Doi, Shigehisa Shibayama, Mitsuo Sakashita, Mitsuaki Shimizu, and Osamu Nakatsuka
Japanese Journal of Applied Physics 60 巻 頁: 075503-1 - 075503-6 2021年6月
-
Improved interface uniformity of epitaxial HfGe2/Ge(001) contact by microfabrication and its electron conduction property
Kentaro Kasahara, Kazuki Senga, Mitsuo Sakashita, Shigehisa Shibayama, and Osamu Nakatsuka
The 20th International Workshop on Junction Technology 2021 (IWJT2021) 2021年6月
-
Impact of Wet Annealing on Ferroelectric Phase Formation and Phase Transition of HfO2-ZrO2 System 査読有り
Shigehisa Shibayama, Jotaro Nagano, Koji Asaka, Mitsuo Sakashita, and Osamu Nakatsuka
ACS Applied Electronic Materials 3 巻 頁: 2203 - 2211 2021年4月
-
Formation of ultra-thin Ge1-xSnx/Ge1-x-ySixSny quantum heterostructures and their electrical properties for realizing resonant tunneling diode 査読有り 国際共著 国際誌
Galih Ramadana Suwito, Masahiro Fukuda, Edi Suprayoga, Masahiro Ohtsuka, Eddwi Hesky Hasdeo, Ahmad Ridwan Tresna Nugraha, Mitsuo Sakashita, Shigehisa Shibayama, Osamu Nakatsuka
Applied Physics Letters 117 巻 頁: 232104-1 - 232104-5 2020年12月
-
Heteroepitaxy and Strain Engineering of Germanium-Silicon-Tin Ternary Alloy Semiconductor Thin Films for Energy Band Design 招待有り 査読有り 国際誌
Osamu Nakatsuka, Shigehisa Shibayama, Masashi Kurosawa, Mitsuo Sakashita
ECS Transactions 98 巻 ( 5 ) 頁: 149 - 156 2020年9月
-
Impact of byproducts formed on a 4H-SiC surface on interface state density of Al2O3/4H-SiC(0001) gate stacks 査読有り 国際誌
Takuma Doi, Shigehisa Shibayama, Wakana Takeuchi, Mitsuo Sakashita, Noriyuki Taoka, Mitsuaki Shimizu, Osamu Nakatsuka
Applied Physics Letters 116 巻 頁: 222104-1 - 222104-5 2020年6月
-
Saturation of electrically activated Sb concentration in heavily Sb-doped n+-Ge1-xSnx epitaxial layers 査読有り 国際誌
Jihee Jeon, Shigehisa Shibayama, Osamu Nakatsuka
Japanese Journal of Applied Physics 59 巻 頁: SLLF02-1 - SLLF02-6 2020年4月
-
Ferroelectric phase formation for undoped ZrO2 thin films by wet O2 annealing 査読有り 国際誌
Shigehisa Shibayama, Jotaro Nagano, Mitsuo Sakashita, Osamu Nakatsuka
Japanese Journal of Applied Physics 59 巻 頁: SMMA04-1 - SMMA04-5 2020年4月
-
Fermi-level pinning at metal/4H-SiC contact induced by SiCxOy interlayer 査読有り 国際誌
Kentaro Hashimoto, Takuma Doi, Shigehisa Shibayama, Osamu Nakatsuka
Japanese Journal of Applied Physics 59 巻 頁: SGGD16-1 - SGGD16-6 2020年2月
-
Development of Germanium-Tin-Related Semiconductor Heterostructures for Energy Band Design in Electronic and Optoelectronic Applications 招待有り 査読有り 国際誌
Osamu Nakatsuka, Masahiro Fukuda, Mitsuo Sakashita, Masashi Kurosawa, Shigehisa Shibayama, Shigeaki Zaima
ECS Transactions 92 巻 ( 4 ) 頁: 41 - 46 2019年7月
-
Further reduction of Schottky barrier height of Hf-germanide/n-Ge(001) contacts by forming epitaxial HfGe2 査読有り
Kazuki Senga, Shigehisa Shibayama, Mitsuo Sakashita, Shigeaki Zaima, Osamu Nakatsuka
2019 19th International Workshop on Junction Technology (IWJT) 頁: 1 - 2 2019年6月
-
Erratum: "Effect of carbon in Si oxide interlayers of the Al2O3/4H-SiC structure on interfacial reaction by oxygen radical treatment" 国際誌
Takuma Doi, Wakana Takeuchi, Shigehisa Shibayama, Mitsuo Sakashita, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 58 巻 頁: SB9401 2019年3月
-
Effect of carbon in Si oxide interlayers of the Al2O3/4H-SiC structure on interfacial reaction by oxygen radical treatment 査読有り 国際誌
Takuma Doi, Wakana Takeuchi, Shigehisa Shibayama, Mitsuo Sakashita, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 58 巻 頁: SBBD05-1 - SBBD05-5 2019年2月
-
Thermodynamic control of ferroelectric-phase formation in HfxZr1-xO2 and ZrO2 査読有り 国際誌
Shigehisa Shibayama, Tomonori Nishimura, Shinji Migita, Akira Toriumi
Journal of Applied Physics 124 巻 頁: 184101-1 - 184101-7 2018年11月
-
Nucleation-driven ferroelectric phase formation in ZrO2 thin films - What is different in ZrO2 from HfO2? 査読有り
Shigehisa Shibayama, Tomonori Nishimura, Shinji Migita, Akira Toriumi
2018 IEEE 2nd Electron Devices Technology and Manufacturing Conference (EDTM) 頁: 116 - 118 2018年3月
-
Evolution of ferroelectric HfO2 in ultrathin region down to 3 nm 査読有り 国際誌
Xuan Tian, Shigehisa Shibayama, Tomonori Nishimura, Takeaki Yajima, Shinji Migita, Akira Toriumi
Applied Physics Letters 112 巻 頁: 102902-1 - 102902-5 2018年3月
-
Sub-nm EOT ferroelectric HfO2 on p+Ge with highly reliable field cycling properties 査読有り
Xuan Tian, Lun Xu, Shigehisa Shibayama, Tomonori Nishimura, Takeaki Yajima, Shinji Migita, Akira Toriumi
2017 IEEE International Electron Devices Meeting (IEDM) 頁: 37.1.1 - 37.1.4 2017年12月
-
Kinetic pathway of the ferroelectric phase formation in doped HfO2 films 査読有り 国際誌
Lun Xu, Tomonori Nishimura, Shigehisa Shibayama, Takeaki Yajima, Shinji Migita, Akira Toriumi
Journal of Applied Physics 122 巻 頁: 124104-1 - 124104-7 2017年9月
-
General relationship for cation and anion doping effects on ferroelectric HfO2 formation 査読有り
Lun Xu, Shigehisa Shibayama, Kazutaka Izukashi, Tomonori Nishimura, Takeaki Yajima, Shinji Migita, Akira Toriumi
2016 IEEE International Electron Devices Meeting (IEDM) 頁: 25.2.1 - 25.2.4 2016年12月
-
Density functional study for crystalline structures and electronic properties of Si1-xSnx binary alloys 査読有り 国際誌
Yuki Nagae, Masashi Kurosawa, Shigehisa Shibayama, Masaaki Araidai, Mitsuo Sakashita, Osamu Nakatsuka, Kenji Shiraishi, Shigeaki Zaima
Japanese Journal of Applied Physics 55 巻 頁: 08PE04-1 - 08PE04-4 2016年7月
-
Effect of GeO2 deposition temperature in atomic layer deposition on elecrical properties of Ge gate stack 査読有り 国際誌
Masayuki Kanematsu, Shigehisa Shibayama, Mitsuo Sakashita, Wakana Takeuchi, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 55 巻 頁: 08PC05-1 - 08PC05-5 2016年6月
-
Study of wake-up and fatigue properties in doped and undoped ferroelectric HfO2 in conjunction with piezo-response force microscopy analysis 査読有り
Shigehisa Shibayama, Lun Xu, Shinji Migita, Akira Toriumi
2016 IEEE Symposium on VLSI Technology 頁: 1 - 2 2016年6月
-
Ferroelectricity of nondoped thin HfO2 films in TiN/HfO2/TiN stacks 査読有り 国際誌
Tomonori Nishimura, Lun Xu, Shigehisa Shibayama, Takeaki Yajima, Shinji Migita, Akira Toriumi
Japanese Journal of Applied Physics 55 巻 頁: 08PB01-1 - 08PB01-4 2016年6月
-
Ferroelectric phase stabilization of HfO2 by nitrogen doping 査読有り 国際誌
Lun Xu, Tomonori Nishimura, Shigehisa Shibayama, Takeaki Yajima, Shinji Migita, Akira Toriumi
Applied Physics Express 9 巻 頁: 091501-1 - 091501-4 2016年4月
-
Growth of ultrahigh-Sn-content Ge1-xSnx epitaxial layer and its impact on controlling Schottky barrier height of metal/Ge contact 査読有り 国際誌
Akihiro Suzuki, Osamu Nakatsuka, Shigehisa Shibayama, Mitsuo Sakashita, Wakana Takeuchi, Masashi Kurosawa, Shigeaki Zaima
Japanese Journal of Applied Physics 55 巻 頁: 04EB12-1 - 04EB12-6 2016年3月
-
Experimental observation of type-I energy band alignment in lattice-matched Ge1-x-ySixSny/Ge heterostructures 査読有り 国際誌
Takashi Yamaha, Shigehisa Shibayama, Takanori Asano, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Osamu Nakatsuka, Shigeaki Zaima
Applied Physics Letters 108 巻 頁: 061909-1 - 061909-5 2016年2月
-
Reduction of Schottky barrier height at metal/n-Ge interface by introducing an ultra-high Sn content Ge1-xSnx interlayer 査読有り 国際誌
Akihiro Suzuki, Osamu Nakatsuka, Shigehisa Shibayama, Mitsuo Sakashita, Wakana Takeuchi, Masashi Kurosawa, Shigeaki Zaima
Applied Physics Letters 107 巻 頁: 212103-1 - 212103-5 2015年11月
-
Formation of chemically stable GeO2 on the Ge surface with pulsed metal-organic chemical vapor deposition 査読有り 国際誌
Shigehisa Shibayama, Teppei Yoshida, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Applied Physics Letters 106 巻 頁: 062107-1 - 062107-4 2015年2月
-
Importance of Ge surface oxidation with high oxidation rate in obtaining low interface state density at oxide/Ge interfaces 査読有り 国際誌
Shigehisa Shibayama, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 53 巻 頁: 08LD02-1 - 08LD02-6 2014年6月
-
Interface properties of Al2O3/Ge structures with thin Ge oxide interfacial layer formed by pulsed metal organic chemical vapor deposition 査読有り 国際誌
Teppei Yoshida, Kimihiko Kato, Shigehisa Shibayama, Mitsuo Sakashita, Noriyuki Taoka, Wakana Takeuchi, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 53 巻 頁: 08LD03-1 - 08LD03-6 2014年6月
-
Impacts of AlGeO formation by post thermal oxidation of Al2O3/Ge structure on interfacial properties 査読有り 国際誌
Shigehisa Shibayama, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Thin Solid Films 557 巻 頁: 282 - 287 2014年4月
-
Stabilized formation of tetragonal ZrO2 thin film with high permittivity 査読有り 国際誌
Kimihiko Kato, Takatoshi Saito, Shigehisa Shibayama, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Thin Solid Films 557 巻 頁: 192 - 196 2014年4月
-
Reduction of Interface State Density Due to Post Oxidation with Formation of AlGeO Layer at Al2O3/Ge Interface 査読有り 国際誌
Shigehisa Shibayama, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
ECS Transactions 58 巻 ( 9 ) 頁: 301 - 308 2013年8月
-
Understanding of interface structures and reaction mechanisms induced by Ge or GeO diffusion in Al2O3/Ge Structure 査読有り 国際誌
Shigehisa Shibayama, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Applied Physics Letters 103 巻 頁: 082114-1 - 082114-4 2013年8月
-
Interfacial Reaction Mechanisms in Al2O3/Ge Structure by Oxygen Radical Process 査読有り 国際誌
Kimihiko Kato, Shigehisa Shibayama, Mitsuo Sakashita, Wakana Takeuchi, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 52 巻 頁: 04AC08-1 - 04AC08-7 2013年4月
-
Effects of Light Exposure during Plasma Processing on Electrical Properties of GeO2/Ge Structures 査読有り 国際誌
Kusumandari, Wakana Takeuchi, Kimihiko Kato, Shigehisa Shibayama, Mitsuo Sakashita, Noriyuki Taoka, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 52 巻 頁: 01AC04-1 - 01AJ01-6 2013年1月
-
Improvement of Al2O3/Ge interfacial properties by O2-annealing 査読有り 国際誌
Shigehisa Shibayama, Kimihiko Kato, Mitsuo Sakashita, Wakana Takeuchi, Osamu Nakatsuka, Shigeaki Zaima
Thin Solid Films 520 巻 ( 8 ) 頁: 3397 - 3401 2012年2月
-
Characterization of Damage of Al2O3/Ge Gate Stack Structure Induced with Light Radiation during Plasma Nitridation 査読有り 国際誌
Kusumandari, Wakana Takeuchi, Kimihiko Kato, Shigehisa Shibayama, Mitsuo Sakashita, Osamu Nakatsuka, Shigeaki Zaima
Japanese Journal of Applied Physics 51 巻 頁: 01AJ01-1 - 01AJ01-5 2012年1月