R
R. H. Colman
Researcher at Charles University in Prague
Publications - 52
Citations - 960
R. H. Colman is an academic researcher from Charles University in Prague. The author has contributed to research in topics: Antiferromagnetism & Ferromagnetism. The author has an hindex of 14, co-authored 45 publications receiving 781 citations. Previous affiliations of R. H. Colman include Durham University & London Centre for Nanotechnology.
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Journal ArticleDOI
Kapellasite: A Kagome Quantum Spin Liquid with Competing Interactions
B. Fåk,E. Kermarrec,Laura Messio,Bernard Bernu,Claire Lhuillier,Fabrice Bert,Philippe Mendels,Philippe Mendels,B. Koteswararao,F. Bouquet,Jacques Ollivier,Adrian D. Hillier,Anthony A. Amato,R. H. Colman,Andrew S. Wills +14 more
TL;DR: Kapellasite, Cu3Zn(OH)6Cl2, a geometrically frustrated spin-1/2 kagome antiferromagnet polymorphic with herbertsmithite, is a gapless spin liquid showing unusual dynamic short-range correlations of noncoplanar cuboc2 type which persist down to 20 mK.
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Optimized unconventional superconductivity in a molecular Jahn-Teller metal
Ruth H. Zadik,Yasuhiro Takabayashi,Gyoengyi Klupp,Gyoengyi Klupp,R. H. Colman,Alexey Y. Ganin,Anton Potočnik,Peter 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,Kosmas Prassides +19 more
TL;DR: The Jahn-Teller metal is identified as a fluctuating microscopically heterogeneous coexistence of both localized and itinerant electrons that connects the insulating and superconducting states of fullerides.
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Magnetic and Crystallographic Studies of Mg-Herbertsmithite, γ-Cu3Mg(OH)6Cl2-A New S = 1/2 Kagome Magnet and Candidate Spin Liquid
TL;DR: In this article, the synthesis, crystal structure, and magnetic properties of the new quantum kagome magnet Mg-herbertsmithite, γ-Cu3Mg(OH)6Cl2, were presented.
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Toward Perfection: Kapellasite, Cu3Zn(OH)6Cl2, a New Model S = 1/2 Kagome Antiferromagnet
TL;DR: The crystal structure and preliminary magnetic properties of the new S = 1/2 kagome antiferromagnet Kapellasite, Cu3Zn(OH)6Cl2, are presented in this article.
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Comparisons between Haydeeite, α-Cu3Mg(OD)6Cl2, and Kapellasite, α-Cu3Zn(OD)6Cl2, Isostructural S = 1/2 Kagome Magnets
TL;DR: In this article, the synthesis and preliminary magnetic investigations of a new quantum kagome magnet, haydeeite, α-Cu3Mg(OH)6Cl2, are discussed.