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  TbO+ in a calcium apatite matrix featuring a triple trigger-type relaxation of magnetization

Kazin, P. E., Zykin, M. A., Magdysyuk, O. V., Utochnikova, V. V., Gorbachev, E. A., Kremer, R. K., et al. (2019). TbO+ in a calcium apatite matrix featuring a triple trigger-type relaxation of magnetization. Dalton Transactions, 48(16), 5299-5307. doi:10.1039/c9dt01120j.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-91D8-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-91E9-2
Genre: Journal Article

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 Creators:
Kazin, Pavel E.1, Author
Zykin, Mikhail A.1, Author
Magdysyuk, Oxana V.1, Author
Utochnikova, Valentina V.1, Author
Gorbachev, Evgeny A.1, Author
Kremer, Reinhard K.1, Author
Schnelle, Walter2, Author              
Felser, Claudia3, Author              
Jansen, Martin4, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
4Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              

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 Abstract: Tb for Ca substituted hydroxyapatite ceramic samples with composition Ca10-xTbx(PO4)(6)(OH1-x/2-)(2), where x = 0.1, 0.5, were synthesized by solid-state reaction at 1300 degrees C in air, and their crystal structure, vibrational spectra, luminescence, and magnetic properties were studied. Implanting Tb3+ into the calcium apatite crystal lattice results in formation of an effective TbO+ ion which displays a short terbium-oxygen bond of 2.15 angstrom and a stretching vibration at 534 cm(-1). The Tb3+ electronic structure has been revealed by analyzing the luminescence spectra and dc/ac magnetization data. Accordingly, the ground state represents a pseudo doublet with M-J = +/- 6 and the first exited level is by 112 cm(-1) higher in energy. The ion exhibits field induced magnetic bistability with the magnetization reversing over the first exited state. Three paths of magnetization relaxation with field-temperature controlled switching between the paths have been identified.

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Language(s): eng - English
 Dates: 2019-04-282019-04-28
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000465328200020
DOI: 10.1039/c9dt01120j
 Degree: -

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Title: Dalton Transactions
  Abbreviation : Dalton Trans.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 48 (16) Sequence Number: - Start / End Page: 5299 - 5307 Identifier: ISSN: 1477-9226
CoNE: https://pure.mpg.de/cone/journals/resource/954925269323