Koichi Kajihara

J-GLOBAL         Last updated: Nov 1, 2019 at 08:15
Koichi Kajihara
Tokyo Metropolitan University
Department of Applied Chemistry for Environment, Graduate School of Urban Environmental Sciences, Department of Applied Chemistry
Job title
Associate Professor

Research Areas


Awards & Honors

BCSJ Award (Vol.90, No.12), The Chemical Society of Japan
Outstanding Award of the 40th Ceramographic Award of the Ceramics Society of Japan
BCSJ Award (Vol.87, No.7), The Chemical Society of Japan
BCSJ Award (Vol.82, No.12), The Chemical Society of Japan
The Ceramic Society of Japan Award for Young Scientists (60th)
Award of the Outstanding Papers Published in Journal of the Ceramic Society of Japan (JCerSJ) in 2004
11th Young Scientist Presentation Award, The Japan Society of Applied Physics
The Best Paper Award at the 32th Annual Boulder Damage Symposium

Published Papers

Koki Nakano, Yusuke Noda, Naoto Tanibata, Masanobu Nakayama, Koichi Kajihara, Kiyoshi Kanamura
RSC Advances   9(22) 12590-12595   Apr 2019   [Refereed]
Koichi Kajihara, Ryosuke Seto, Kiyoshi Kanamura, Yohei Onodera, Shinji Kohara
Physica Status Solidi (a)   216 1800475   Feb 2019   [Refereed]
Poly(n‐alkylsilsesquioxane) [poly(R‐SQ)] liquids with R = Et, Pr, or Bu are prepared from acid‐catalyzed n‐alkyltrimethoxysilane – water binary systems through hydrolytic polycondensation followed by aging. The resultant liquids cont...
Linards Skuja, Nadege Ollier, Koichi Kajihara, Krisjanis Smits
Journal of Non-Crystalline Solids   505 252-259   Feb 2019   [Refereed]
Point defects in crystalline SiO2, created by 2.5 MeV electron irradiation at dose below the amorphization threshold or by fast neutrons, were compared by luminescence spectroscopy. Oxygen dangling bonds ("nonbridging oxygen hole center...
Mayu Suda, Ryosui Nakagawa, Kiyoshi Kanamura, Koichi Kajihara
Dalton Transactions   47(35) 12085-12091   Sep 2018   [Refereed]
Silica-based monolithic transparent glass-ceramics containing (Gd,Pr)PO4 orthophosphate nanocrystals, prepared by a cosolvent-free sol–gel method, efficiently emit narrow-band ultraviolet B (UVB) photoluminescence (PL) at ∼313 nm from t...
Koichi Kajihara, Ryo Takahashi, Hirohiko Kato, Kiyoshi Kanamura
Journal of the Ceramic Society of Japan   126(4) 221-229   Apr 2018   [Refereed]
Deca-dodecasil 3R (DDR) was synthesized hydrothermally from essential reagents, i.e., silica source (fumed silica), water, and 1-adamantanamine, without employing seed particles or any special treatments, such as microwave or ultrasonic irradiatio...
Koichi Kajihara, Naoto Tezuka, Mao Shoji, Jungo Wakasugi, Hirokazu Munakata, Kiyoshi Kanamura
Bulletin of the Chemical Society of Japan   90(12) 1279-1286   Dec 2017   [Refereed]
The first example of boracites with substituted boron sites, Li4B4 M3O12Cl (M = Al, Ga), and their electrochemical properties were studied. Four coordinated trivalent cations, Al3+</su...
Linards Skuja, Koichi Kajihara, Krisjanis Smits, Kalvis Alps, Andrejs Silins, Janis Teteris
Proceedings of the Estonian Academy of Sciences   66(4) 455-461   Dec 2017   [Refereed]
Glassy SiO2 is the basic material for optical fibre waveguides and manufacturing-induced Cl impurities reduce their transparency in UV spectral range. This work reports in-depth study/spectroscopic parameters of the near-infrared (1.23&...
Koichi Kajihara, Hayato Nagano, Takaoki Tsujita, Hirokazu Munakata, Kiyoshi Kanamura
Journal of the Electrochemical Society   164(9) A2183-A2185   Jul 2017   [Refereed]
Conductivity of a Mg2+-ion-conducting solid oxide Mg0.5-x(Zr1-xNbx)2(PO4)3 (x = 0.15) was measured with non-blocking Mg metal electrodes at 35...
Naoto Tezuka, Yuta Okawa, Koichi Kajihara, Kiyoshi Kanamura
Journal of the Ceramic Society of Japan   125(4) 348-352   Apr 2017   [Refereed]
Nearly single-phase and almost fully-crystallized glass-ceramics of lithium chloroboracite Li4+xB7O12+x/2Cl (x = 0&ndash;1) were prepared by crystallization of ...
Linards Skuja, Koichi Kajihara, Krisjanis Smits, Andrejs Silins, Hideo Hosono
Journal of Physical Chemistry C   121(9) 5261-5266   Mar 2017   [Refereed]
Chlorine is a common undesirable impurity in synthetic SiO2 glass for ultraviolet optics and optical fibers. It is usually incorporated into glass as bound Si-Cl groups or interstitial Cl2 molecules. We report a high-sensitiv...


東京工業大学科学技術創成研究院フロンティア材料研究所共同利用研究報告書   2016 73,(15)   Jun 2017
東京工業大学科学技術創成研究院フロンティア材料研究所共同利用研究報告書   2017 71   Jun 2018
東京工業大学科学技術創成研究院フロンティア材料研究所共同利用研究報告書   2018 76   Jun 2019
旭硝子財団研究助成成果発表会   2018 34‐35   Jul 2018
梶原 浩一
光学 = Japanese Journal of Optics : publication of the Optical Society of Japan   46(2) 60-67   Feb 2017   [Invited]
梶原 浩一
NEW GLASS   31(1) 7-11   Mar 2016   [Invited]
倉田奨励金研究報告   44 8-10   Oct 2014
日本板硝子材料工学助成会成果報告書(CD-ROM)   31 56-62   2013

Conference Activities & Talks

中野高毅, 野田祐輔, 谷端直人, 谷端直人, 中山将伸, 中山将伸, 中山将伸, 梶原浩一, 金村聖志
化学電池材料研究会ミーティング講演要旨集   11 Jun 2019   
SKUJA Linards, OLLIER Nadege, 梶原浩一, SMITS Krisjanis
応用物理学会春季学術講演会講演予稿集(CD-ROM)   25 Feb 2019   
梶原浩一, 須田真優, 金村聖志
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   5 Sep 2018   
梶原浩一, 高橋遼, 加藤宏彦, 金村聖志, 生天目由紀子
日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM)   27 Aug 2018   
SKUJA Linards, 梶原浩一, SMITS Krisjanis, SILINS Andrejs, 細野秀雄
応用物理学会春季学術講演会講演予稿集(CD-ROM)   5 Mar 2018   
工藤裕貴, 梶原浩一, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2018   
瀬戸涼介, 梶原浩一, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2018   
梶原浩一, 手塚直人, 庄司真雄, 若杉淳吾, 棟方裕一, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2018   
馬崎陸, 梶原浩一, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2018   
梶原浩一, 櫻木新, 福田祐子, 五十嵐雄太, 柿木詩織, JANG Junhyeok, 吉田博久, 金村聖志
ガラスおよびフォトニクス材料討論会講演要旨集   2 Nov 2017   
梶原浩一, 五十嵐雄太, 櫻木新, 金村聖志
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
田中優美, 眞正浄光, 古場裕介, 柳澤伸, 梶原浩一
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   25 Aug 2017   
長埜隼人, 辻田孝興, 梶原浩一, 金村聖志
電気化学会大会講演要旨集(CD-ROM)   17 Mar 2017   
梶原浩一, 福田祐子, 柿木栞, JANG Junhyeok, 吉田博久, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2017   
高橋遼, 加藤宏彦, 梶原浩一, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2017   
SKUJA Linards, 梶原浩一, GRUBE Jurgis, 細野秀雄
応用物理学会春季学術講演会講演予稿集(CD-ROM)   1 Mar 2017   
梶原浩一, 櫻木新, 五十嵐雄太, 金村聖志
日本セラミックス協会年会講演予稿集(CD-ROM)   1 Mar 2017   
ガラスおよびフォトニクス材料討論会講演要旨集   13 Nov 2016   
三澤七菜美, 藤井康裕, 是枝聡肇, 正井博和, 梶原浩一
日本物理学会講演概要集(CD-ROM)   23 Sep 2016   
梶原浩一, 須田真優, 金村聖志
応用物理学会秋季学術講演会講演予稿集(CD-ROM)   1 Sep 2016   

Research Grants & Projects

Silica glasses and its deep- and vacuum-UV optical properties
Phenomena associated with point defects in silica glasses
Functionalization of ceramics and glasses (oxides)