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Hirofumi Akamatsu
Hirofumi Akamatsu
Verified email at cstf.kyushu-u.ac.jp
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Year
A labile hydride strategy for the synthesis of heavily nitridized BaTiO3
T Yajima, F Takeiri, K Aidzu, H Akamatsu, K Fujita, W Yoshimune, ...
Nature Chemistry 7 (12), 1017-1023, 2015
1322015
Antiferromagnetic superexchange via 3 d states of titanium in EuTiO 3 as seen from hybrid Hartree-Fock density functional calculations
H Akamatsu, Y Kumagai, F Oba, K Fujita, H Murakami, K Tanaka, ...
Physical Review B 83 (21), 214421, 2011
1202011
Ferroelectric Sr3Zr2O7: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms
S Yoshida, K Fujita, H Akamatsu, O Hernandez, A Sen Gupta, FG Brown, ...
Advanced Functional Materials 28 (30), 1801856, 2018
972018
Structural characterization of hierarchically porous alumina aerogel and xerogel monoliths
Y Tokudome, K Nakanishi, K Kanamori, K Fujita, H Akamatsu, T Hanada
Journal of colloid and interface science 338 (2), 506-513, 2009
972009
Room-Temperature Polar Ferromagnet ScFeO3 Transformed from a High-Pressure Orthorhombic Perovskite Phase
T Kawamoto, K Fujita, I Yamada, T Matoba, SJ Kim, P Gao, X Pan, ...
Journal of the American Chemical Society 136 (43), 15291-15299, 2014
892014
Hybrid improper ferroelectricity in (Sr, Ca) 3Sn2O7 and beyond: universal relationship between ferroelectric transition temperature and tolerance factor in n= 2 Ruddlesden …
S Yoshida, H Akamatsu, R Tsuji, O Hernandez, H Padmanabhan, ...
Journal of the American Chemical Society 140 (46), 15690-15700, 2018
842018
Artificial two-dimensional polar metal at room temperature
Y Cao, Z Wang, SY Park, Y Yuan, X Liu, SM Nikitin, H Akamatsu, ...
Nature communications 9 (1), 1547, 2018
812018
Inversion Symmetry Breaking by Oxygen Octahedral Rotations in the Ruddlesden-Popper Na R TiO 4 Family
H Akamatsu, K Fujita, T Kuge, AS Gupta, A Togo, S Lei, F Xue, G Stone, ...
Physical review letters 112 (18), 187602, 2014
742014
Crystal and Electronic Structure and Magnetic Properties of Divalent Europium Perovskite Oxides EuMO3 (M = Ti, Zr, and Hf): Experimental and First-Principles …
H Akamatsu, K Fujita, H Hayashi, T Kawamoto, Y Kumagai, Y Zong, ...
Inorganic chemistry 51 (8), 4560-4567, 2012
592012
Mn2FeWO6: A New Ni3TeO6‐Type Polar and Magnetic Oxide
MR Li, M Croft, PW Stephens, M Ye, D Vanderbilt, M Retuerto, Z Deng, ...
Advanced Materials 27 (13), 2177-2181, 2015
582015
Insights into sodium ion transfer at the Na/NASICON interface improved by uniaxial compression
Y Uchida, G Hasegawa, K Shima, M Inada, N Enomoto, H Akamatsu, ...
ACS Applied Energy Materials 2 (4), 2913-2920, 2019
562019
Light-Activated Gigahertz Ferroelectric Domain Dynamics
H Akamatsu, Y Yuan, VA Stoica, G Stone, T Yang, Z Hong, S Lei, Y Zhu, ...
Physical Review Letters 120 (9), 096101, 2018
552018
LiNbO3-Type InFeO3: Room-Temperature Polar Magnet without Second-Order Jahn–Teller Active Ions
K Fujita, T Kawamoto, I Yamada, O Hernandez, N Hayashi, H Akamatsu, ...
Chemistry of Materials 28 (18), 6644-6655, 2016
532016
Antiferromagnetism of perovskite EuZrO3
Y Zong, K Fujita, H Akamatsu, S Murai, K Tanaka
Journal of solid state chemistry 183 (1), 168-172, 2010
492010
Magnetic and magneto-optical quenching in (Mn2+, Sr2+) metaphosphate glasses
A Winterstein, H Akamatsu, D Möncke, K Tanaka, MA Schmidt, ...
Optical Materials Express 3 (2), 184-193, 2013
442013
Strong spin‐lattice coupling through oxygen octahedral rotation in divalent europium perovskites
H Akamatsu, Y Kumagai, F Oba, K Fujita, K Tanaka, I Tanaka
Advanced Functional Materials 23 (15), 1864-1872, 2013
412013
Emergent Noncentrosymmetry and Piezoelectricity Driven by Oxygen Octahedral Rotations in n = 2 Dion–Jacobson Phase Layer Perovskites
ME Strayer, AS Gupta, H Akamatsu, S Lei, NA Benedek, V Gopalan, ...
Advanced Functional Materials 26 (12), 1930-1937, 2016
392016
Magneto-optical properties of transparent divalent iron phosphate glasses
H Akamatsu, K Fujita, S Murai, K Tanaka
Applied Physics Letters 92 (25), 2008
392008
Improper Inversion Symmetry Breaking and Piezoelectricity through Oxygen Octahedral Rotations in Layered Perovskite Family, LiRTiO4 (R = Rare Earths)
AS Gupta, H Akamatsu, ME Strayer, S Lei, T Kuge, K Fujita, C dela Cruz, ...
Advanced Electronic Materials 2 (1), 1500196, 2016
352016
Carrier-Induced Band-Gap Variation and Point Defects in from First Principles
Y Kumagai, K Harada, H Akamatsu, K Matsuzaki, F Oba
Physical Review Applied 8 (1), 014015, 2017
332017
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