Slow magnetic relaxation in a {EuCu5} metallacrownCitation formats
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Slow magnetic relaxation in a {EuCu5} metallacrown. / Wang, Jin; Ruan, Ze-yu; Li, Quan-wen; Chen, Yan-cong; Huang, Guo-zhang; Liu, Jun-liang; Reta, Daniel; Chilton, Nicholas F.; Wang, Zhen-xing; Tong, Ming-liang.
In: Dalton Transactions, Vol. 48, No. 5, 2019, p. 1686-1692.Research output: Contribution to journal › Article
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T1 - Slow magnetic relaxation in a {EuCu5} metallacrown
AU - Wang, Jin
AU - Ruan, Ze-yu
AU - Li, Quan-wen
AU - Chen, Yan-cong
AU - Huang, Guo-zhang
AU - Liu, Jun-liang
AU - Reta, Daniel
AU - Chilton, Nicholas F.
AU - Wang, Zhen-xing
AU - Tong, Ming-liang
PY - 2019
Y1 - 2019
N2 - A 3d–4f heterometallic metallacrown with formula of [EuCu5(quinha)5(sal)2(py)5]CF3SO3·py·3H2O (1) (H2quinha = quinaldichydroxamic acid; Hsal = salicylaldehyde) has been synthesized. This complex shows field-induced slow magnetic relaxation via a Raman-like process, where studies of the isostructural {LuCu5} (2) and {YCu5} (3) complexes show that the slow dynamics mainly arise from the {Cu5} S = 1/2 ground state rather than the EuIII ion. However, the EuIII ion enhances the relaxation rates of the {Cu5} unit which likely arises from second-order effects in the formally diamagnetic 7F0 ground state of EuIII.
AB - A 3d–4f heterometallic metallacrown with formula of [EuCu5(quinha)5(sal)2(py)5]CF3SO3·py·3H2O (1) (H2quinha = quinaldichydroxamic acid; Hsal = salicylaldehyde) has been synthesized. This complex shows field-induced slow magnetic relaxation via a Raman-like process, where studies of the isostructural {LuCu5} (2) and {YCu5} (3) complexes show that the slow dynamics mainly arise from the {Cu5} S = 1/2 ground state rather than the EuIII ion. However, the EuIII ion enhances the relaxation rates of the {Cu5} unit which likely arises from second-order effects in the formally diamagnetic 7F0 ground state of EuIII.
U2 - 10.1039/C8DT04814B
DO - 10.1039/C8DT04814B
M3 - Article
VL - 48
SP - 1686
EP - 1692
JO - Dalton Transactions
JF - Dalton Transactions
SN - 1477-9226
IS - 5
ER -