[1]. Stability of intensity imbalance between Left- and Right- Circulation Modes in GaN Hexagonal Microdisk (Research Article)
Phys Statu Solidi A / - 2300948 (2024) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Atsushi Syouji, Yula Iwamoto, Tetsuya Kouno, Masaru Sakai [Notes] サンプル作製など
[DOI]
[2]. Mist Chemical Vapor Deposition Using Poorly Soluble Particles as Raw Material (Research Article)
Crystal research & Technology / - 2400011 (2024) [Refereed] non-refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Yuki Yamazaki, Tsubasa Nakamura, Kodai Kato, Kazuhiko Hara, Tetsuya Kouno [DOI]
[3]. Characterization of ZnO Crystals of Various Geometries Grown by Mist Chemical Vapor Deposition on a c-Plane Sapphire Substrate (Research article)
Phys. Status Solidi B / - 2300550 (2024) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Kodai Kato, Junichi Iwata, Masaru Sakai, Kazuhiko Hara, and Tetsuya Kouno [DOI]
[4]. Selectively enhanced crystal growth of periodically arrayed ZnO nanowires by mist chemical vapor deposition and electron beam lithography
Journal of Crystal Growth 618/ - 127309 (2023) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Yudai Inagaki, Yuki Kawai, Tomoya Arimoto, Togi Sasaki, Ayumu Ohashi, Kazuhiko Hara , Tetsuya Kouno [DOI]
[5]. Thickness Dependence on Wavelength Range of Random Laser in Ultrathin ZnO Crystals Grown by Mist-CVD on C-plane Sapphire Substrate
Journal of the Physical Society of Japan 92/ 064710- (2023) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Junichi Iwata, Masaru Sakai, Atsushi Syouji, Kazuhiko Hara, Tetsuya Kouno [DOI]
[6]. Selectively enhanced microarea crystal growth of ZnO nanoand microwires on GaN on sapphire substrates by mist chemical vapor deposition
Journal of the Ceramic Society of Japan 130/ 857-860 (2022) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Yuki Kawai, Masaru Sakai, Kazuhiko Hara and Tetsuya Kouno [DOI]
[7]. Optical microcavity based on a single ZnO microwire grown on Si(111) substrate by catalyst-free mist chemical vapor deposition
Journal of the Ceramic Society of Japan 130/ 735-738 (2022) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Naoya Terada, Tomoya Arimoto, Kazuhiko Hara, Masaru Sakai and Tetsuya Kouno [DOI]
[8]. Wavelength tuning for random lasing of mist-CVD-grown Zn1−xMgxO crystals with nanostructures on a-plane sapphire substrates
Japanese Journal of Applied Physics 61/ 055502- (2022) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Takahisa Kanai, Kenya Fujiwara, Masaru Sakai, Kazuhiko Hara, and Tetsuya Kouno [DOI]
[9]. Photoluminescence properties and random lasing behaviors od mist-CVD-grown ZnO disordered nanocrystals on c-plane sapphire substrate
Japanese Journal of Applied Physics 60/ 100901- (2021) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Junichi Iwata, Masaru Sakai, Kosei Ohashi, Kazuhiko Hara, and Tetsuya Kouno,
[10]. Room-temperature intrinsic excitonic luminescence from a hexagonal boron nitride thin film grown on a sapphire substrate by low-pressure chemical vapor deposition using BCl3 as a boron source
Japanese Journal of Applied Physics 60/ 075502- (2021) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Naoki Umehara, Takurou Adachi, Atsushi Masuda, Tetsuya Kouno, Hiroko Kominami, and Kazuhiko Hara
[11]. Lasing action of ZnO nanowires grown by mist chemical vapor deposition using thin Au layer on c-plane sapphire substrate
Japanese Journal of Applied Physics 60/ 058002- (2021) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Ryota Nakahara, Masaru Sakai, Taiki Kimura, Mikihiro Yamamoto, Atsushi Syouji, Kazuhiko Hara, and Tetsuya Kouno
[12]. ZnO-based nanowires grown by mist chemical vapor deposition on GaN layer using thin Au layer
Japanese Journal of Applied Physics 59/ 118001- (2020) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] Mikihiro Yamamoto, Ryota Nakahara, Taiki Kimura, Kosei Ohashi, Kenya Fujiwara, Kazuhiko Hara, Tetsuya Kouno
[13]. Microsensors based on a whispering gallery mode in AlGaN microdisks undercut by hydrogen environment thermal etching
Applied Optics 56/(num) 3589-3593 (2017) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]TETSUYA KOUNO [共著者]MASARU SAKAI,HOSHI TAKESHIMA,SHO SUZUKI,AKIHIKO KIKUCHI,KATSUMI KISHINO, KAZUHIKO HARA
[14]. Crystal structure and optical properties of a high-density InGaN nanoumbrella array as a white light source without phosphors
NPG Asia Materials 8/(num) e189- (zzz) (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,,Katsumi Kishino,Akihiko Kikuchi,Naoki Umehara,Kazuhiko Hara
[15]. Biosensing operations based on a whispering-gallery-mode optical cavity in single 1.0-m diameter hexagonal GaN microdisks grown by rf-MBE
Japanese Journal of Applied physics 55/(num) 05FG02- (zzz) (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Kazuhiko Hara,Katsumi Kishino
[16]. Biosensors based on GaN nanoring optical cavities
Japanese Journal of Applied physics 55/(num) 05FF05- (zzz) (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Hoshi Takeshima,Katsumi Kishino,Masaru Sakai,Kazuhiko Hara
[17]. Influence of growth parameters on the film formation of hexagonal boron nitride thin films grown on sapphire substrates by low pressure chemical vapor deposition
Japanese Journal of Applied physics 55/(num) 05FD09- (zzz) (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] [責任著者]Naoki Umehara,Kazuhiko Hara [共著者]Atsushi Masuda,Takaki Shimizu,Iori Kuwahara,Tetsuya Kouno,Hiroko Kominami
[18]. Periodic radiation patterns and circulating direction of lasing light by quasi whispering gallery mode in hexagonal GaN microdisk
Journal of the Physical society of Japan 85/(num) 053401- (zzz) (2016) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Sho Suzuki,Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[19]. Excitation Area Dependence of Lasing Modes in Thin Hexagonal GaN Microdisks
Japanese Journal of Applied physics 55/(num) 01AC03- (zzz) (2015) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[20]. Sensing operations based on hexagonal GaN microdisks acting as whispering-gallery mode optical microcavities
Optics Letters 40/(num) 2866- (zzz) (2015) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[21]. Switching of whispering galley mode in hexagonal GaN microdisk by change in condition of reflection surface
Electronics Letters 51/(num) 170-172 (2015) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[22]. Optical properties of arrays of hexagonal GaN microdisks acting as whispering-gallery-mode-type optical microcavities
Physica Status Solidi A 212/ 1017- (2015) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Sho Suzuki,Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[23]. Optical microresonant modes acting in thin hexagonal GaN microdisk
Japanese Journal of Applied physics 53/(num) 072001- (zzz) (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Tetsuya Kouno,Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[24]. Hexagonal GaN microdisk with wurtzite /zinc-blende GaN crystal phase nano-heterostructures and high quality zinc-blende GaN crystal layer
Japanese Journal of Applied physics 53/(num) 068001- (zzz) (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Tetsuya Kouno,Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[25]. Light confinement in hexagonal GaN nanodisk with whispering gallery mode
Japanese Journal of Applied physics 53/(num) 068005- (zzz) (2014) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Tetsuya Kouno,Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[26]. Quasi-Whispering Gallery Mode Lasing Action in an Asymmetric Hexagonal GaN Microdisk
Japanese Journal of Applied physics 52/(num) 08JG03- (zzz) (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[27]. optically pumped lasing action with unususal wavelength of approximately 390 nm in hexagonal GaN microdisks fabricated by radio-frequency plasma assisted molecular beam epitaxy
Japanese Journal of Applied physics 52/(num) 04CH07- (zzz) (2013) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Masaru Sakai,Katsumi Kishino,Kazuhiko Hara
[28]. Well-arranged novel InGaN hexagonal nanoplates at the tops of nitrogen-polarity GaN nanocolumn arrays
AIP Advances 2/(num) 012140- (zzz) (2012) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Tetsuya Kouno,katsumi Kishino
[29]. Lasing Action on Whispering Gallery Mode of Self-Organized GaN Hexagonal Microdisk Crystal Fabricated by RF-Plasma- Assisted Molecular Beam Epitaxy
IEEE J. Quant. Electron. 47 /(num) 1565-1570 (2011) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] author
[Author] [責任著者]Tetsuya Kouno [共著者]Katsumi Kishino,Masaru Sakai
[30]. Laing action in GaN tiny hexagonal nanoring resonators
IEEE Photonics Journals 6/ 1027-1033 (2010) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tetsuya Kouno, Katsumi Kishino, Takuto Suzuki, and Masaru Sakai [Notes] 筆頭著者
[31]. Stimulated emission on two-dimensional distributed feedback (2D-DFB) scheme in triangular GaN nanocolumn arrays
Electronics Letters 46/ 644-645 (2010) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tetsuya Kouno, Katsumi Kishino, Masaru Sakai, Yuta Inose, Akihiko Kikuchi, and Kazuhiro Ema [Notes] 筆頭著者
[32]. Whispering gallery mode in periodic InGaN-based hexagonal nanoring arrays grown by rf-MBE using Ti-mask selective-area growth
Phys. Stat. Sol. (a) 207/ 37-40 (2010) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tetsuya Kouno, Katsumi Kishino, and Akihiko Kikuchi [Notes] 筆頭著者
[33]. Two- dimensional light confinement in periodic InGaN/GaN nanocolumn arrays and optically pumped blue stimulated emission
Optics Express 17/ 20440-20447 (2009) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tetsuya Kouno, Katsumi Kishino, Kouji Yamano, and Akihiko Kikuchi, [Notes] 筆頭著者
[34]. Growth of high-In-content InAlN nanocolumns on Si (111) by RF-plasma-assisted molecular-beam epitaxy
J. Cryst. Growth 300/ 160-163 (2007) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Jumpei Kamimura, Tetsuya Kouno, Shunsuke Ishizawa, Akihiko Kikuchi, and Katsumi Kishino
[35]. Growth of high-In-content InGaN multiple quantum disk nanocolumns on Si(111) by RF plasma-assisted- molecular beam epitaxy
Phys. Stat. Sol. (b) 243/ 1481-1485 (2006) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tetsuya Kouno, Akihiko Kikuchi, and Katsumi Kishino [Notes] 筆頭著者
[36]. Growth and Characterization of InGaN Double Heterostructures for Optical Devices at 1.5-1.7 μm Communication wavelength
Phys. Stat. Sol. (a) 201/ 2850-2854 (2004) [Refereed] refereed [Internationally co-authored papers] non-internationally co-authored paper
[Lead author or co-author] co-author
[Author] Tatsuo Ohashi, Tetsuya Kouno, Mizue Kawai, Akihiko Kikuchi, and Katsumi Kishino |