Spin-1/2 Kagomé-Like Lattice in Volborthite Cu3V2O7(OH)2·2H2O

Zenji Hiroi; Masafumi Hanawa; Naoya Kobayashi; Minoru Nohara; Hidenori Takagi; Yoshitomo Kato; Masashi Takigawa

doi:10.1143/JPSJ.70.3377

Spin-1/2 Kagomé-Like Lattice in Volborthite Cu₃V₂O₇(OH)₂·2H₂O

Zenji Hiroi, Masafumi Hanawa, Naoya Kobayashi, Minoru Nohara, Hidenori Takagi, Yoshitomo Kato, Masashi Takigawa

Research output: Contribution to journal › Article › peer-review

237 Citations (Scopus)

Abstract

A novel cuprate Volborthite. Cu₃V₂O₇(OH)₂·2H2O. containing an S-1/2 (Cu²⁺ spin) kagomé-like lattice is studied by magnetic susceptibility, specific heat, and ⁵¹V NMR measurements. Signs for neither long-range order nor spin-gapped singlet ground states are detected down to 1.8 K. in spite of large antiferromagnetic couplings of ∼100 K between Cu spins forming a two-dimensional kagomé-like network. It is suggested that Volborthite represents a system close to a quantum critical point between classical long-range ordered and quantum disordered phases.

Original language	English
Pages (from-to)	3377-3384
Number of pages	8
Journal	journal of the physical society of japan
Volume	70
Issue number	11
DOIs	https://doi.org/10.1143/JPSJ.70.3377
Publication status	Published - Nov 2001
Externally published	Yes

Keywords

Cuprate
Kagomé
Lattice
Magnetic susceptibility
NMR
Specific heat

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.70.3377

Cite this

@article{fefd9953a48d4c4c950b7c9b32f8aa60,

title = "Spin-1/2 Kagom{\'e}-Like Lattice in Volborthite Cu3V2O7(OH)2·2H2O",

abstract = "A novel cuprate Volborthite. Cu3V2O7(OH)2·2H2O. containing an S-1/2 (Cu2+ spin) kagom{\'e}-like lattice is studied by magnetic susceptibility, specific heat, and 51V NMR measurements. Signs for neither long-range order nor spin-gapped singlet ground states are detected down to 1.8 K. in spite of large antiferromagnetic couplings of ∼100 K between Cu spins forming a two-dimensional kagom{\'e}-like network. It is suggested that Volborthite represents a system close to a quantum critical point between classical long-range ordered and quantum disordered phases.",

keywords = "Cuprate, Kagom{\'e}, Lattice, Magnetic susceptibility, NMR, Specific heat",

author = "Zenji Hiroi and Masafumi Hanawa and Naoya Kobayashi and Minoru Nohara and Hidenori Takagi and Yoshitomo Kato and Masashi Takigawa",

year = "2001",

month = nov,

doi = "10.1143/JPSJ.70.3377",

language = "English",

volume = "70",

pages = "3377--3384",

journal = "journal of the physical society of japan",

issn = "0031-9015",

publisher = "Physical Society of Japan",

number = "11",

}

TY - JOUR

T1 - Spin-1/2 Kagomé-Like Lattice in Volborthite Cu3V2O7(OH)2·2H2O

AU - Hiroi, Zenji

AU - Hanawa, Masafumi

AU - Kobayashi, Naoya

AU - Nohara, Minoru

AU - Takagi, Hidenori

AU - Kato, Yoshitomo

AU - Takigawa, Masashi

PY - 2001/11

Y1 - 2001/11

N2 - A novel cuprate Volborthite. Cu3V2O7(OH)2·2H2O. containing an S-1/2 (Cu2+ spin) kagomé-like lattice is studied by magnetic susceptibility, specific heat, and 51V NMR measurements. Signs for neither long-range order nor spin-gapped singlet ground states are detected down to 1.8 K. in spite of large antiferromagnetic couplings of ∼100 K between Cu spins forming a two-dimensional kagomé-like network. It is suggested that Volborthite represents a system close to a quantum critical point between classical long-range ordered and quantum disordered phases.

AB - A novel cuprate Volborthite. Cu3V2O7(OH)2·2H2O. containing an S-1/2 (Cu2+ spin) kagomé-like lattice is studied by magnetic susceptibility, specific heat, and 51V NMR measurements. Signs for neither long-range order nor spin-gapped singlet ground states are detected down to 1.8 K. in spite of large antiferromagnetic couplings of ∼100 K between Cu spins forming a two-dimensional kagomé-like network. It is suggested that Volborthite represents a system close to a quantum critical point between classical long-range ordered and quantum disordered phases.

KW - Cuprate

KW - Kagomé

KW - Lattice

KW - Magnetic susceptibility

KW - NMR

KW - Specific heat

UR - http://www.scopus.com/inward/record.url?scp=0035601467&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035601467&partnerID=8YFLogxK

U2 - 10.1143/JPSJ.70.3377

DO - 10.1143/JPSJ.70.3377

M3 - Article

AN - SCOPUS:0035601467

SN - 0031-9015

VL - 70

SP - 3377

EP - 3384

JO - journal of the physical society of japan

JF - journal of the physical society of japan

IS - 11

ER -