Publication

2019

Synthesis and characterization of (111)-oriented BaTiO3thin films

　　　T. Bolstad, M. Kjærnes, K. Raa, R. Takahashi, M. Lippmaa and T. Tybell

　　　Materials Research Express, 6, 056409 (2019)

2018

Noble metal nanocluster formation in epitaxial perovskite thin films

M. Lee, R. Arras, R. Takahashi, B. Warot-Fonrose, H. Daimon, M. Casanove, and M. Lippmaa

ACS Omega, 3, 2169-2173 (2018)

Pyroelectric detection of ferroelectric polarization in magnetic materials

R. Takahashi, and M. Lippmaa

Japanese Journal of Applied Physics: Selected Topics in Applied Physics, 57, 0902A1 (2018)

2017

Magnetic and magnetodielectric properties of epitaxial iron vanadate thin films

D. Zhou, R. Takahashi, Y. Zhou, D. Kim, K. Suresh, Y. Chu, Q. He, P. Munroe, M. Lippmaa, J. Seidel and N. Valanoor

Advanced Electronic Materials, 3, 1600295 (2017)

Intrinsic superhydrophilicity of titania-terminated surfaces

S. Kawasaki, E. Holmstrom, R. Takahashi, P. Spijker, A. S. Foster, H. Onishi, and M. Lippmaa

The Journal of Physical Chemistry C, 121, 2268-2275 (2017)

Microstructure analysis of IrO2 thin films

X. Hou, R. Takahashi, T. Yamamoto and M. Lippmaa

Journal of Crystal Growth, 462, 24-28 (2017)

Combinatorial screening of halide perovskite thin films and solar cells by mask-defined IR laser MBE

K. Kawashima, Y. Okamoto, O. Annayev, N. Toyokura, R. Takahashi, M. Lippmaa, K. Itaka, Y. Suzuki, N. Matsuki, and H. Koinuma

Science and Technology of Advanced Materials, 18, 307 (2017)

Thermally stable Sr2RuO4 electrode for oxide heterostructures

R. Takahashi, and M. Lippmaa

ACS Appl. Mater. Interface, 9, 21314-21321 (2017)

Hole trap state analysis in SrTiO3

N. Osawa, R. Takahashi, and M. Lippmaa

Appl. Phys. Lett. 110, 263902 (2017)

2016

The effect of polar (111)-oriented SrTiO3 on initial perovskite growth

I. Hallsteinsen, M. Nord, T. Bolstad, P.E. Vullum, J. E. Boschker, R. Takahashi, R. Holmestad, M. Lippmaa, and T. Tybell

Crystal Growth & Design, 16, 2357-2362 (2016)

Photoelectrochemical water splitting enhanced by self-assembled metal nanopillars embedded in an oxide semiconductor photoelectrode

S. Kawasaki, R. Takahashi, T. Yamamoto, M. Kobayashi, H. Kumigashira, J. Yoshinobu, F. Komori, A. Kudo, and M. Lippmaa

Nature Communications, 7, 11818 (2016)

Superconducting coupling across a spin-filtering manganite tunnel barrier with magnetic disorder

T. Harada, M. Matvejeff, R. Takahashi and M. Lippmaa

EPL (Europhysics Letters),115, 67005 (2016)

2015

Interfacial capacitance between a ferroelectric Fe3O4 and a semiconductor Nb:SrTiO3 substrate

R. Takahashi, Y. Cho and M. Lippmaa

Journal of Applied Physics, 117, 014104 (2015)

Determination of band diagram for a p-n junction between Mott-insulator LaMnO3 and band-insulator Nb:SrTiO3

M. Kitamura, M. Kobayashi, E. Sakai, R. Takahashi, M. Lippmaa, K. Horiba, H. Fujioka, and H. Kumigashira

Applied Physics Letters, 106, 061605 (2015)

A-site driven ferroelectricity in epitaxial ferromagnetic La2NiMnO6 thin films

R. Takahashi, I. Ohkubo, K. Yamauchi, M. Kitamura, Y. Sakurai, M. Oshima, T. Oguchi, Y. Cho and M. Lippmaa

Phys. Rev. B, 91, 134107 (2015) (arXiv: 1504.04905)

Photo-electrochemical epitaxy of silver-oxide clathrate Ag7O8M (M=NO3, HSO4) on rutile-type Nb-doped TiO2 single crystals

R. Tanaka, R. Takahashi, S. Takata, M. Lippmaa, and Y. Matsumoto

CrystEngComm, 17, 3701-3707 (2015)

Magnetic coupling at provskite and rock-salt structured interfaces

M. Matvejeff, E. Ahvenniemi, R. Takahashi and M. Lippmaa

Applied Physics Letters, 107, 141604 (2015)

2014

Spontaneous growth of strain-free magnetite nanocrystals via temperature-driven dewetting

R. Takahashi, H. Misumi, T. Yamamoto, and M. Lippmaa

Crystal Growth & Design, 14, 1264-1271 (2014)

Pulsed laser deposition of epitaxial BeO thin films on sapphire and SrTiO3

T. Peltier, R. Takahashi, and M. Lippmaa

Appl. Phys. Lett. 104, 231608 (2014)

Growth temperature effect on structural and magnetic properties of Fe3O4 films grown via a self-template method

R. Takahashi, H. Misumi, M. Lippmaa

Journal of Applied Physics, 116, 033918 (2014)

Electronic structure and photoelectrochemical properties of an Ir-doped SrTiO3 photocatalyst

S. Kawasaki, R. Takahashi, K. Akagi, J. Yoshinobu, F. Komori, K. Horiba, H. Kumigashira, K. Iwashina, A. Kudo, and M. Lippmaa

The Journal of Physical Chemistry C, 118, 20222-20228 (2014)

2013

Nonmagnetic Sc substitution in a perovskite ferromagnetic insulator Pr0.8Ca0.2MnO3

T. Harada, R. Takahashi, and M. Lippmaa

Journal of the Physical Society of Japan, 82, 014801 (2013)

Epitaxial Bi5Ti3FeO15-CoFe2O4 pillar-matrix multiferroic nanostructures

A. Imai, X. Cheng, H. Xin, E. A. Eliseev, A. N. Morozocska, S. V. Kalinin, R. Takahashi, M. Lippmaa, Y. Matsumoto and V. Nagarajan

ACS Nano, 7, 11079-11086 (2013)

2012

Photo-electrochemical synthesis of silver-oxide clathrate Ag7O8NO3 on SrTiO3

R. Tanaka, S. Takata, R. Takahashi, J. K. Grepstad, T. Tybell, and Y. Matsumoto

Electrochemical and Solid-State Letters, 15, E19-E22 (2012)

Self-template growth of orientation-controlled Fe3O4 thin films

R. Takahashi, M. Misumi, M. Lippmaa

Crystal Growth & Design 12, 2679-2683 (2012)

Sub-bandgap photocurrent effect on dynamic pyroelectric measurement in Pt/PbTiO3/Nb:SrTiO3 heterostructures

R. Takahashi, T. Tybell, M. Lippmaa

Journal of Applied Physics, 112, 014111 (2012)

Pyroelectric detection of the spontaneous polarization in magnetite thin films

R. Takahashi, H. Misumi, M. Lippmaa

Physical Review B, 86, 144105 (2012) (arXiv: 1209.4735)

Epitaxial Rh:SrTiO3 thin film photocathode for water splitting under visible light irradiation

S. Kawasaki, K. Nakatsuji, J. Yoshinobu, F. Komori, R. Takahashi, M. Lippmaa, K. Mase and A. Kudo

Applied Physics Letters, 101, 033910 (2012)

Elucidation of Rh-induced in-gap states of Rh:SrTiO3 visible light driven photocatalyst by soft x-ray spectroscopy and first-principles calculations

S. Kawasaki, K. Akagi, K. Nakatsuji, S. Yamamoto, I. Matsuda, Y. Harada, J. Yoshinobu, F. Komori, R. Takahashi, M. Lippmaa,

C. Sakai, H. Niwa, M. Oshima, K. Iwashina, and A. Kudo

The Journal of Physical Chemistry C, 116, 24445 (2012)

2011

EELS investigation of Pb and Ti hybridization with O at the PbTiO3/SrTiO3 interface

E. Eberg, A. T. J. van Helvoort, R. Takahashi, M. Gass, B. Mendis, A. Blenoch, R. Holmestad, and T. Tybell

Journal of Applied Physics, 109, 034104 (2011)

Confined high-mobility electron gas at the Ruddlesden-Popper type heterointerfaces

M. Matvejeff, K. Nishio, R. Takahashi, M. Lippmaa

Applied Physics Letters, 98, 073105 (2011)

Delta-doped epitaxial La:SrTiO3 field-effect transistor

K. Nishio, M. Matvejeff, R. Takahashi, M. Lippmaa, M. Sumiya, H. Yoshikawa, K. Kobayashi, Y. Yamashita

Applied Physics Letters, 98, 242113 (2011)

Giant magnetostriction in annealed Co1-xFex thin-films

D. Hunter, W. Osborn, K. Wang, N. Kazantseva, J. R. Hattrick-Simpers, R. Suchoski, R. Takahashi, M. L. Young, A. Mehta,

L. A. Bendersky, S. E. Lofland, M. Wuttig, and I. Takeuchi

Nature Communications, 2, 518, (2011)

2010

Long-range spontaneous structural ordering of barium stannate thin films

R. Takahashi, K. Valset, E. Folven, E. Eberg, J. K. Grepstad, T. Tybell

Applied Physics Letters, 97, 081906 (2010)

Photocatalytic synthesis of silver oxide clathrate Ag6O8AgNO3

R. Tanaka, S. Takata, M. Katayama, R. Takahashi, J. K. Grepstad, T. Tybell, Y. Matsumoto

Journal of The Electrochemical Society, 157, E181 (2010)

Strained state dynamics in VO2 thin film

T. Kikuzuki, R. Takahashi, and M. Lippmaa

Physical Review B, 82, 144113 (2010)

-Selected for the Editor’s suggestion in Physical Review B.

Characteristics of SrTiO3 field effect transistors with DyScO3 gate insulators

K. Nishio, T. Abe, R. Takahashi, M. Lippmaa

Japanese Journal of Applied Physics, 49, 125701 (2010)

Identification of quaternary shape memory alloys with near-zero thermal hysteresis and unprecendented functional stability

R. Zarnetta, R. Takahashi, M. L. Young, A. Savan, Y. Furuya, S. Thienhaus, B. Maaß, M. Rahim, J. Frenzel, H. Brunken, Y. S. Chu,

V. Srivastava, R. D. James, I. Takeuchi, G. Eggeler, A. Ludwig

Adv. Funct. Mater. 20, 1917-1923 (2010)

-Selected for the front cover in Advanced Functional Materials.

Transport properties of LaTiO3/SrTiO3 heterostructures

R. Ohtsuka, M. Matvejeff, K. Nishio, R. Takahashi, M. Lippmaa

Applied Physics Letters, 96, 192111 (2010)

Self-template growth of ferroelectric Bi4Ti3O12 nanoplates via flux-mediated epitaxy with VOx

A. Imai, V. Nagarajan, R. Takahashi, M. Lippmaa, Y. Matsumoto

Crystal Growth & Design, 10, 5233-5237 (2010)

Erratum: "Epilayer control of photodeposited materials during UV photocatalysis" [Appl. Phys. Lett. 94, 232901 (2009)]

R. Takahashi, M. Katayama, Ø. Dahl, J. K. Grepstad, Y. Matsumoto, T. Tybell

Applied Physics Letters, 97, 059903 (2010)

2009

Epilayer control of photodeposited materials during UV photocatalysis

R. Takahashi, M. Katayama, Ø. Dahl, J. K. Grepstad, Y. Matsumoto, T. Tybell

Applied Physics Letters, 93, 232901 (2009)

Fabrication and characterization of PbTiO3 nanomesas realized on nanostructured SrRuO3/SrTiO3 templates

C. C. You, R. Takahashi, A. Borg, J. K. Grepstad, and T. Tybell

Nanotechnology, 20, 255705 (2009)

2008

Photochemical switching of ultrathin PbTiO3 films

R. Takahashi, J. K. Grepstad, T. Tybell and Y. Matsumoto

Applied Physics Letters, 92, 112901 (2008)

Ferroelectric stripe-domains in PbTiO3 thin films: depolarization field and domain randomness

R. Takahashi, Ø. Dahl, E. Eberg, J. K. Grepstad, T. Tybell

Journal of Applied Physics, 104, 064109 (2008)

2007

Ceramic liquid droplets stabilized in vacuum

R. Takahashi, Y. Tsuruta, Y. Yonezawa, T. Ohsawa, H. Koinuma, Y. Matsumoto

Journal of Applied Physics, 101, 33511 (2007)

2006

Perfect Bi4Ti3O12 single crystal films via flux-mediated epitaxy

R. Takahashi, Y. Yonezawa, M. Ohtani, M. Kawasaki, K. Nakajima, T. Chikyow, H. Koinuma, Y. Matsumoto

Advanced Functional Materials, 16, 485-491 (2006)

-Selected for the inside front cover in Advanced Functional Materials.

Nanoskyscraper of ferroelectric Bi4Ti3O12

R. Takahashi, Y. Yonezawa, K. Nakajima, T. Chikyow, H. Koinuma, Y. Matsumoto

Applied Physics Letters, 88, 152904 (2006)

-Selected for the April 24, 2006 volume 13 issue of Virtual Journal of Nanoscale Science & Technology.

Epitaxial ScAlMgO4(0001) films grown on sapphire substrates by flux-mediated epitaxy

T. Obata, R. Takahashi, I. Ohkubo, M. Oshima, K. Nakajima, T. Chikyow, H. Koinuma, Y. Matsumoto

Applied Physics Letters 89, 191910 (2006)

2005

Computer design of combinatorial shadow mask for ternary composition spread library

R. Takahashi, Y. Matsumoto, H. Koinuma

Measurement Science and Technology, 16, 292-295 (2005)

2004

Fabrication of Nd1-xCaxBa2Cu3O7-d (x=0-0.3) single crystalline films by Tri-phase epitaxy

R. Takahashi, Y. Matsumoto, H. Kohno, M. Kawasaki and H. Koinuma

Journal of Crystal Growth, 262, 308-312 (2004)

Design of combinatorial shadow masks for complete ternary phase diagramming of solid state materials

R. Takahashi, H. Kubota, M. Murakami, Y. Yamamoto, Y. Matsumoto, H. Koinuma

Journal of Combinatorial Chemistry, 6, 50-53 (2004)

2003

Recognition of the atomic termination layer in perovskite oxide substrates by reflection high energy electron diffraction

R. Takahashi, Y. Matsumoto, H. Koinuma

Japanese Journal of Applied Physics, 42. L289-290 (2003)

Temperature dependence of absorption spectra in anatase TiO2 epilayers

T. Makino, Y. Segawa, M. Kawasaki, Y. Matsumoto, H. Koinuma, M. Murakami, and R. Takahashi

Journal of the Physical Society of Japan, 72 (10), 1-3 (2003)

2002

Growth dynamics of the epitaxial SrO film on SrTiO3(001)

R. Takahashi, Y. Matsumoto, T. Ohsawa, M. Lippmaa, M. Kawasaki and H. Koinuma

Journal of Crystal Growth, 234, 505 (2002)

2001

Ferromagnetism in Co-doped TiO2 rutile thin films grown by Laser molecular beam epitaxy

Y. Matsumoto, R. Takahashi, M. Murakami, T. Koida, X. J. Fan, T. Hasegawa, T. Fukumura, M. Kawasaki, S. Koshihara and

H. Koinuma

Japanese Journal Applied Physics, 40, L1204 (2001)

Concurrent x-ray diffractometer for high throughput structural diagnosis of epitaxial thin films

M. Ohtani, T. Fukumura, M. Kawasaki, K. Omote, T. Kikuchi, J. Harada, A. Ohtomo, M. Lippmaa, T. Ohnishi, D. Komiyama,

R. Takahashi, Y. Matsumoto and H. Koinuma

Applied Physics Letters, 79, 3594 (2001)

総説

“酸化物半導体中に自己組織化した金属ナノピラーによる高効率・水分解光電極反応”

川崎聖治、高橋竜太、リップマーミック

応用物理、87、366-369 (2018)

“自己組織的に成長する単結晶性酸化物ナノ構造の新展開—磁性体ナノ結晶とナノコンポジット水分解光電極を開発—”

高橋竜太、リップマーミック

固体物理 (アグネ出版) 52, 105-116 (2017)

“Combinatorial nanoscience and technology for solid-state materials”

H. Koinuma, R. Takahashi, M. Lippmaa, S. –Y. Jeong, Y. Matsumoto, T. Chikyow, and S. Suzuki

Handbook of Advanced Ceramics, Second Edition: Materials, Applications, Processing and Properties", (Elsevier), Page 1103

“応力・電気抵抗変化測定技術の開発について”

菊月達也、高橋竜太、リップマーミック

計測技術 (日本興業出版)　39, 32-36 (2011)

“フラックス材料のコンビナトリアル探索”

高橋竜太、松本祐司

セラミックス　45, 724-727 (2010)

“応力センサ材料高速評価システムの開発”

菊月達也、高橋竜太、リップマーミック

電子材料 (工業調査会)　49, 28-32 (2009)

“ナノ・ IT時代の分子機能材料と素子開発” NTS出版

第9章　第2節　282-289 (2004)

セラミックス超伝導材料　-構造と物性-

鯉沼秀臣・高橋竜太

“コンビナトリアルテクノロジー：明日を開く’もの作り’の新世界”　丸善株式会社

第6章　第1節　コンビナトリアルフラックスエピタキシー

高橋竜太、松本祐司

第5章　第2節　コンビナトリアルマスキング技術

高橋竜太、山本幸生

Tri-Phase Epitaxy法による高温超伝導体単結晶薄膜の作製

高橋竜太、K.S. Yun、松本祐司、川崎雅司、知京豊裕、鯉沼秀臣　

日本金属学会誌、66、4 (2002) 284-288