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Physical Review B | 2009

Pressure evolution of the low-temperature crystal structure and bonding of the superconductor FeSe ( T c = 37 K )

Serena Margadonna; Yasuhiro Takabayashi; Yasuo Ohishi; Yoshikazu Mizuguchi; Yoshihiko Takano; Tomoko Kagayama; T. Nakagawa; Masaki Takata; Kosmas Prassides


Nature Materials | 2008

Bulk superconductivity at 38 K in a molecular system

Alexey Y. Ganin; Yasuhiro Takabayashi; Yaroslav Z. Khimyak; Serena Margadonna; Anna Tamai; Matthew J. Rosseinsky; Kosmas Prassides

\ensuremath{\alpha}\text{-FeSe}


Chemical Communications | 2008

Crystal structure of the new FeSe1−x superconductor

Serena Margadonna; Yasuhiro Takabayashi; Martin T. McDonald; Karolina Kasperkiewicz; Yoshikazu Mizuguchi; Yoshihiko Takano; Andrew N. Fitch; Emmanuelle Suard; Kosmas Prassides

with the PbO structure is a key member of the family of high-


Science | 2009

The disorder-free non-BCS superconductor Cs3C60 emerges from an antiferromagnetic insulator parent state.

Yasuhiro Takabayashi; Alexey Y. Ganin; P. Jeglič; Denis Arčon; T. Takano; Yoshihiro Iwasa; Yasuo Ohishi; Masaki Takata; Nao Takeshita; Kosmas Prassides; Matthew J. Rosseinsky

{T}_{c}


Nature | 2010

Polymorphism control of superconductivity and magnetism in Cs3C60 close to the Mott transition

Alexey Y. Ganin; Yasuhiro Takabayashi; P. Jeglič; Denis Arčon; Anton Potočnik; P. J. Baker; Yasuo Ohishi; Martin T. McDonald; Manolis D. Tzirakis; Alec McLennan; George R. Darling; Masaki Takata; Matthew J. Rosseinsky; Kosnnas Prassides

iron pnictide and chalcogenide superconductors, as while it possesses the basic layered structural motif of edge-sharing distorted


Physical Review B | 2009

Crystal structure and phase transitions across the metal-superconductor boundary in the SmFeAsO 1 − x F x ( 0 ≤ x ≤ 0.20 ) family

Serena Margadonna; Yasuhiro Takabayashi; Martin T. McDonald; Michela Brunelli; G. Wu; R. H. Liu; X. H. Chen; Kosmas Prassides

{\text{FeSe}}_{4}


Chemical Physics Letters | 2000

Electronic structure of Eu@C60 studied by XANES and UV-VIS absorption spectra

Takashi Inoue; Yoshihiro Kubozono; Setsuo Kashino; Yasuhiro Takabayashi; K. Fujitaka; Moritaka Hida; M. Inoue; T. Kanbara; Shuichi Emura; Tomoya Uruga

tetrahedra, it lacks interleaved ion spacers or charge-reservoir layers. We find that the application of hydrostatic pressure first rapidly increases


Physical Review B | 2012

Synthesis and physical properties of metal-doped picene solids

Takashi Kambe; Xuexia He; Yosuke Takahashi; Yusuke Yamanari; Kazuya Teranishi; Hiroki Mitamura; Seizi Shibasaki; Keitaro Tomita; Ritsuko Eguchi; Yasuhiro Takabayashi; Takashi Kato; Akihiko Fujiwara; Toshikaze Kariyado; Hideo Aoki; Yoshihiro Kubozono

{T}_{c}


Chemical Science | 2011

Cation vacancy order in the K0.8+xFe1.6−ySe2 system: Five-fold cell expansion accommodates 20% tetrahedral vacancies

John Bacsa; Alexey Y. Ganin; Yasuhiro Takabayashi; K. E. Christensen; Kosmas Prassides; Matthew J. Rosseinsky; John B. Claridge

which attains a broad maximum of 37 K at


Science Advances | 2015

Optimized unconventional superconductivity in a molecular Jahn-Teller metal.

Ruth H. Zadik; Yasuhiro Takabayashi; Gyoengyi Klupp; Ross H. Colman; Alexey Y. Ganin; Anton Potočnik; P. Jeglič; Denis Arčon; Péter Matus; Katalin Kamarás; Yuichi Kasahara; Yoshihiro Iwasa; Andrew N. Fitch; Yasuo Ohishi; Gaston Garbarino; Kenichi Kato; Matthew J. Rosseinsky; Kosmas Prassides

\ensuremath{\sim}7\text{ }\text{GPa}

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