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Anomalous magnetic exchange in a dimerized quantum magnet composed of unlike spin species

Abstract:

We present here a study of the magnetic properties of the antiferromagnetic dimer material CuVOF4(H2O)6 · H2O, in which the dimer unit is composed of two different S = 1/2 species, Cu(II) and V(IV). An applied magnetic field of μ0Hc1 = 13.1(1) T is found to close the singlet-triplet energy gap, the magnitude of which is governed by the antiferromagnetic intradimer J0 ≈ 21 K, and interdimer J' ≈ 1 K, exchange energies, determined from magnetometry and electron-spin resonance measurements. The ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.104.214435

Authors


Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
104
Issue:
21
Article number:
214435
Publication date:
2021-12-30
Acceptance date:
2021-11-22
DOI:
EISSN:
2469-9969
ISSN:
2469-9950
Language:
English
Keywords:
Pubs id:
1232115
Local pid:
pubs:1232115
Deposit date:
2022-03-09

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