Magnetic properties of Y2Cu2O5

B. L. Ramakrishna; E. W. Ong; Z. Iqbal

doi:10.1016/0038-1098(88)90062-2

Magnetic properties of Y₂Cu₂O₅

B. L. Ramakrishna, E. W. Ong, Z. Iqbal

Engineering of Matter, Transport and Energy, School for (IAFSE-SEMTE)

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

33 Scopus citations

Abstract

DC magnetic susceptibility of Y₂Cu₂O₅ measured between 2 K < T < 300 K and 0.5 kG < H < 50 kG, exhibits a sharp peak at 12 K. The copper ions, arranged in oxygen bridged chains, interact as a S = 1 2 Heisenberg chain with ferromagnetic intrachain exchange constant J_F k_B = 36 ± 4 K. The chains are weakly coupled antiferromagnetically with an interchain exchange constant of 2z_AFJ_AF k_B = -6.5 ± 1 K. The magnetization behavior (M vs H) exhibits a change in slope at about 17 k Gauss. Its electron paramagnetic resonance signal consisted of a single broad line at both X- and Q-bands with g_av = 2.108. The linewidth, ΔH_pp, at X-band was 640 Gauss and temperature independent.

Original language	English (US)
Pages (from-to)	775-779
Number of pages	5
Journal	Solid State Communications
Volume	68
Issue number	8
DOIs	https://doi.org/10.1016/0038-1098(88)90062-2
State	Published - Nov 1988

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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title = "Magnetic properties of Y2Cu2O5",

abstract = "DC magnetic susceptibility of Y2Cu2O5 measured between 2 K < T < 300 K and 0.5 kG < H < 50 kG, exhibits a sharp peak at 12 K. The copper ions, arranged in oxygen bridged chains, interact as a S = 1 2 Heisenberg chain with ferromagnetic intrachain exchange constant JF kB = 36 ± 4 K. The chains are weakly coupled antiferromagnetically with an interchain exchange constant of 2zAFJAF kB = -6.5 ± 1 K. The magnetization behavior (M vs H) exhibits a change in slope at about 17 k Gauss. Its electron paramagnetic resonance signal consisted of a single broad line at both X- and Q-bands with gav = 2.108. The linewidth, ΔHpp, at X-band was 640 Gauss and temperature independent.",

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T1 - Magnetic properties of Y2Cu2O5

AU - Ramakrishna, B. L.

AU - Ong, E. W.

AU - Iqbal, Z.

PY - 1988/11

Y1 - 1988/11

N2 - DC magnetic susceptibility of Y2Cu2O5 measured between 2 K < T < 300 K and 0.5 kG < H < 50 kG, exhibits a sharp peak at 12 K. The copper ions, arranged in oxygen bridged chains, interact as a S = 1 2 Heisenberg chain with ferromagnetic intrachain exchange constant JF kB = 36 ± 4 K. The chains are weakly coupled antiferromagnetically with an interchain exchange constant of 2zAFJAF kB = -6.5 ± 1 K. The magnetization behavior (M vs H) exhibits a change in slope at about 17 k Gauss. Its electron paramagnetic resonance signal consisted of a single broad line at both X- and Q-bands with gav = 2.108. The linewidth, ΔHpp, at X-band was 640 Gauss and temperature independent.

AB - DC magnetic susceptibility of Y2Cu2O5 measured between 2 K < T < 300 K and 0.5 kG < H < 50 kG, exhibits a sharp peak at 12 K. The copper ions, arranged in oxygen bridged chains, interact as a S = 1 2 Heisenberg chain with ferromagnetic intrachain exchange constant JF kB = 36 ± 4 K. The chains are weakly coupled antiferromagnetically with an interchain exchange constant of 2zAFJAF kB = -6.5 ± 1 K. The magnetization behavior (M vs H) exhibits a change in slope at about 17 k Gauss. Its electron paramagnetic resonance signal consisted of a single broad line at both X- and Q-bands with gav = 2.108. The linewidth, ΔHpp, at X-band was 640 Gauss and temperature independent.

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Magnetic properties of Y₂Cu₂O₅

Abstract

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