Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation
Alexander Pavlov
1
,
Svitlana V. Kats
2
,
Larysa V. Penkova
2
,
A. Vologzhanina
1
,
Yan Z. Voloshin
1
,
1
2
Kyiv National Taras Shevchenko University, 01601 Kyiv, Ukraine
|
Publication type: Journal Article
Publication date: 2016-10-04
scimago Q1
wos Q1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
27689621
Physical and Theoretical Chemistry
General Materials Science
Abstract
A large barrier to magnetization reversal, a signature of a good single-molecule magnet (SMM), strongly depends on the structural environment of a paramagnetic metal ion. In a crystalline state, where SMM properties are usually measured, this environment is influenced by crystal packing, which may be different for the same chemical compound, as in polymorphs. Here we show that polymorphism can dramatically change the magnetic behavior of an SMM even with a very rigid coordination geometry. For a cobalt(II) clathrochelate, it results in an increase of the effective barrier from 109 to 180 cm-1, the latter value being the largest one reported to date for cobalt-based SMMs. Our finding thus highlights the importance of identifying possible polymorphic phases in search of new, even more efficient SMMs.
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112
Total citations:
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GOST
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Pavlov A. et al. Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 20. pp. 4111-4116.
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Pavlov A., Nelyubina Y. V., Kats S. V., Penkova L. V., Efimov N. N., Dmitrienko A. O., Vologzhanina A., Belov A. S., Voloshin Y. Z., Novikov V. V. Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 20. pp. 4111-4116.
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RIS
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TY - JOUR
DO - 10.1021/acs.jpclett.6b02091
UR - https://doi.org/10.1021/acs.jpclett.6b02091
TI - Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation
T2 - Journal of Physical Chemistry Letters
AU - Pavlov, Alexander
AU - Nelyubina, Yulia V.
AU - Kats, Svitlana V.
AU - Penkova, Larysa V.
AU - Efimov, Nikolay N.
AU - Dmitrienko, Artem O.
AU - Vologzhanina, A.
AU - Belov, Alexander S.
AU - Voloshin, Yan Z.
AU - Novikov, Valentin V
PY - 2016
DA - 2016/10/04
PB - American Chemical Society (ACS)
SP - 4111-4116
IS - 20
VL - 7
PMID - 27689621
SN - 1948-7185
ER -
Cite this
BibTex (up to 50 authors)
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@article{2016_Pavlov,
author = {Alexander Pavlov and Yulia V. Nelyubina and Svitlana V. Kats and Larysa V. Penkova and Nikolay N. Efimov and Artem O. Dmitrienko and A. Vologzhanina and Alexander S. Belov and Yan Z. Voloshin and Valentin V Novikov},
title = {Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation},
journal = {Journal of Physical Chemistry Letters},
year = {2016},
volume = {7},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/acs.jpclett.6b02091},
number = {20},
pages = {4111--4116},
doi = {10.1021/acs.jpclett.6b02091}
}
Cite this
MLA
Copy
Pavlov, Alexander, et al. “Polymorphism in a Cobalt-Based Single-Ion Magnet Tuning Its Barrier to Magnetization Relaxation.” Journal of Physical Chemistry Letters, vol. 7, no. 20, Oct. 2016, pp. 4111-4116. https://doi.org/10.1021/acs.jpclett.6b02091.