Akira Yoshikawa - Publications, H-index & Citations

Akira Yoshikawa

tohoku university

24H指数

244论文数

2.2K被引数

收录论文 23

发表时间

Tailoring scintillation and luminescence through Co-doping engineering: A comparative study of Ce,Tb Co-doped YAGG and GAGG garnet crystals

JOURNAL OF ALLOYS AND COMPOUNDS

IF6.3

2024-12-01

OAAI

Omuro, Kazuya; Yoshino, Masao; Bartosiewicz, Karol; Horiai, Takahiko; Murakami, Rikito; Kim, Kyoung Jin; Kamada, Kei; Kucerkova, Romana; Babin, Vladimir; Nikl, Martin; Yamaji, Akihiro; Hanada, Takashi; Yokota, Yuui; Kurosawa, Shunsuke; Ohashi, Yuji; Sato, Hiroki; Yoshikawa, Akira

Experimental study of gain characteristics in relation to quantum-well width of deep-ultraviolet laser diodes

APPLIED PHYSICS LETTERS

IF3.6

2024-11-01

PREAI

Zhang, Ziyi; Kushimoto, Maki; Yoshikawa, Akira; Aoto, Koji; Sasaoka, Chiaki; Amano, Hiroshi

Effect of doping on transport properties of InSb epilayers grown by MOCVD and MBE

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS

IF4.6

2024-07-01

PREAI

Gunes, M.; Aydin, M.; Donmez, O.; Gumus, C.; Erol, A.; Marroquin, J. F. R.; Felix, J. F.; Yoshikawa, A.; Geka, H.; Kuze, N.; Henini, M.

Growth of bulk β-Ga2O3 crystals from melt without precious-metal crucible by pulling from a cold container

SCIENTIFIC REPORTS

IF3.9

2024-06-27

OAAI

Yoshikawa, A.; Kochurikhin, V.; Tomida, T.; Takahashi, I.; Kamada, K.; Shoji, Y.; Kakimoto, K.

Impact of COVID-19 vaccination status on hospitalization and disease severity: A descriptive study in Nagasaki Prefecture, Japan

HUMAN VACCINES & IMMUNOTHERAPEUTICS

IF3.5

2024-03-22

OAAI

Cai, Guoxi; Liu, Shiwen; Lu, Yixiao; Takaki, Yumika; Matsumoto, Fumiaki; Yoshikawa, Akira; Taguri, Toshitsugu; Xie, Jianfen; Arima, Kazuhiko; Mizukami, Satoshi; Wu, Jiwen; Yamamoto, Taro; Hasegawa, Maiko; Tien Huy, Nguyen; Saito, Masaya; Takeuchi, Shouhei; Morita, Kouichi; Aoyagi, Kiyoshi; He, Fei

Impact of unintentionally formed compositionally graded layer on carrier injection efficiency in AlGaN-based deep-ultraviolet laser diodes

APPLIED PHYSICS LETTERS

IF3.6

2024-02-09

PREAI

Zhang, Ziyi; Yoshikawa, Akira; Kushimoto, Maki; Aoto, Koji; Sasaoka, Chiaki; Amano, Hiroshi

Using low-temperature growth to resolve the composition pulling effect of UV-C LEDs

APPLIED PHYSICS LETTERS

IF3.6

2023-11-29

PREAI

Yoshikawa, Akira; Zhang, Ziyi; Kushimoto, Maki; Aoto, Koji; Sasaoka, Chiaki; Amano, Hiroshi

Revisiting the substitutional Mg acceptor binding energy of AlN

PHYSICAL REVIEW B

IF3.7

2023-07-14

PREAI

Ishii, Ryota; Yoshikawa, Akira; Funato, Mitsuru; Kawakami, Yoichi

Acceptance and Preference for COVID-19 Vaccine among Japanese Residents at Early Stage of the Epidemic in Japan

VACCINES

IF3.4

2023-01-11

OAAI

Wu, Jiwen; Cai, Guoxi; Fan, Yi; Arima, Kazuhiko; Lin, Yulan; Wong, Liping; Zhang, Zhuo; Yamamoto, Taro; Morita, Kouichi; Yoshikawa, Akira; Lu, Yixiao; Aoyagi, Kiyoshi

Key temperature-dependent characteristics of AlGaN-based UV-C laser diode and demonstration of room-temperature continuous-wave lasing

APPLIED PHYSICS LETTERS

IF3.6

2022-11-28

OAAI

Zhang, Ziyi; Kushimoto, Maki; Yoshikawa, Akira; Aoto, Koji; Sasaoka, Chiaki; Schowalter, Leo J.; Amano, Hiroshi

Local stress control to suppress dislocation generation for pseudomorphically grown AlGaN UV-C laser diodes

APPLIED PHYSICS LETTERS

IF3.6

2022-11-28

PREAI

Kushimoto, Maki; Zhang, Ziyi; Yoshikawa, Akira; Aoto, Koji; Honda, Yoshio; Sasaoka, Chiaki; Schowalter, Leo J. J.; Amano, Hiroshi

High-performance solar-blind Al0.6Ga0.4N/Al0.5Ga0.5N MSM type photodetector 高性能日盲Al0.6Ga0.4N/Al0.5Ga0.5N MSM型光电探测器

APPLIED PHYSICS LETTERS

IF3.6

2017-11-07

PREAI

Yoshikawa, Akira; Ushida, Saki; Nagase, Kazuhiro; Iwaya, Motoaki; Takeuchi, Tetsuya; Kamiyama, Satoshi; Akasaki, Isamu

High-quality AlN film grown on a nanosized concave-convex surface sapphire substrate by metalorganic vapor phase epitaxy

APPLIED PHYSICS LETTERS

IF3.6

2017-10-16

PREAI

Yoshikawa, Akira; Nagatomi, Takaharu; Morishita, Tomohiro; Iwaya, Motoaki; Takeuchi, Tetsuya; Kamiyama, Satoshi; Akasaki, Isamu

Structural Investigations of Lu2O3 as Single Crystal and Polycrystalline Transparent Ceramic

CRYSTAL GROWTH & DESIGN

IF3.4

2014-05-27

PREAI

Guzik, Malgorzata; Pejchal, Jan; Yoshikawa, Akira; Ito, Akihiko; Goto, Takashi; Siczek, Milosz; Lis, Tadeusz; Boulon, Georges

Shape-Controlled Crystal Growth of Sr3NbGa3Si2O14 and Sr3TaGa3Si2O14 Piezoelectric Crystals by the Micro-Pulling-Down Method

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

IF3.7

2012-09-01

PREAI

Yokota, Yuui; Sato, Masato; Futami, Yoshisuke; Tota, Kazushige; Onodera, Ko; Yanagida, Takayuki; Yoshikawa, Akira

Experimental characterization of the electronic structure of anatase TiO2: Thermopower modulation

APPLIED PHYSICS LETTERS

IF3.6

2010-10-25

OAAI

Nagao, Yuki; Yoshikawa, Akira; Koumoto, Kunihito; Kato, Takeharu; Ikuhara, Yuichi; Ohta, Hiromichi

Synthesis of complex oxide phases by using of low hydrated niobium and tantalum hydroxides

MATERIALS RESEARCH BULLETIN

IF5.7

2008-05-01

PREAI

Drobot, D.; Nikishina, E.; Lebedeva, E.; Novoselov, A.; Yoshikawa, A.

Ammonothermal synthesis of thick gallium nitride film employing acidic mineralizers

JOURNAL OF MATERIALS SCIENCE

IF3.9

2007-12-22

PREAI

Ehrentraut, Dirk; Kagamitani, Yuji; Yoshikawa, Akira; Hoshino, Naruhiro; Itoh, Hirohisa; Kawabata, Shinichiro; Fujii, Katsushi; Yao, Takafumi; Fukuda, Tsuguo

Growth and characterization of Tm-doped Y2O3 single crystals

OPTICAL MATERIALS

IF4.2

2007-07-01

PREAI

Mun, J. H.; Jouini, A.; Novoselov, A.; Guyot, Y.; Yoshikawa, A.; Ohta, H.; Shibata, H.; Waseda, Y.; Boulon, G.; Fukuda, T.

Preparation of pure boron coating film and its characterization by XPS and TDS

APPLIED SURFACE SCIENCE

IF6.9

2005-05-01

PREAI

Oyaidzu, M; Yoshikawa, A; Kodama, H; Oya, Y; Sagara, A; Noda, N; Okuno, K

研究方向