Positive zero-field splitting and unexpected slow magnetic relaxation in the magneto-chemical calibrant HgCo(NCS)4

Roman Boča; Ján Titiš; Cyril Rajnák; J. Krzystek

doi:10.1039/D1DT00407G

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Positive zero-field splitting and unexpected slow magnetic relaxation in the magneto-chemical calibrant HgCo(NCS)₄†

Roman Boča,

*^a Ján Titiš,

^a Cyril Rajnák

^a and J. Krzystek^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, Faculty of Natural Sciences, University of Ss Cyril and Methodius, 917 01 Trnava, Slovakia
E-mail: roman.boca@ucm.sk

^b National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310, USA

Abstract

DC magnetization data for HgCo(NCS)₄ confirm positive value of the zero-field splitting D-parameter. High-frequency and -field EPR gave g_z = 2.05, g_x = 2.16 and D/hc = 5.39 cm⁻¹. The complex exhibits a field-induced slow magnetic relaxation with two relaxation modes and unusual temperature evolution of the relaxation time.

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Article information

DOI: https://doi.org/10.1039/D1DT00407G
Article type: Communication
Submitted: 05 Feb 2021
Accepted: 25 Feb 2021
First published: 25 Feb 2021

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Dalton Trans., 2021,50, 3468-3472

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Positive zero-field splitting and unexpected slow magnetic relaxation in the magneto-chemical calibrant HgCo(NCS)₄

R. Boča, J. Titiš, C. Rajnák and J. Krzystek, Dalton Trans., 2021, 50, 3468 DOI: 10.1039/D1DT00407G

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