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- W1657844540 abstract "The magnetic properties of Cu2Cl4⋅H8C4SO2 are described by an S = 1/2 double spin chain with strong exchange interactions along the leg direction. This system has a singlet ground state with an excitation gap of Δ/kB = 5.13 K. We have measured the magnetization and the specific heat of Cu2Cl4⋅H8C4SO2. The magnetic phase transition due to interchain interactions was observed for H > 4 T. Magnetic phase diagrams were obtained for H ∥ b‐ and c‐axes. The phase boundaries for these two different field directions can be represented by the power law (g/2)[HN(T) − Hg] ∝ Tφ with (g/2)Hg = 3.83 T and φ = 1.98. The experimental exponent φ = 1.98 is somewhat larger than the value φBEC = 3/2 predicted by the magnon Bose‐Einstein condensation theory." @default.
- W1657844540 created "2016-06-24" @default.
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- W1657844540 date "2006-01-01" @default.
- W1657844540 modified "2023-10-14" @default.
- W1657844540 title "Magnetic Field-Induced Phase Transition of Quantum Spin System Cu2Cl4⋅H8C4SO2" @default.
- W1657844540 doi "https://doi.org/10.1063/1.2355058" @default.
- W1657844540 hasPublicationYear "2006" @default.
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