Magnetic molecular nanoclusters in strong magnetic fields

Zvezdin, A. K.; Kostyuchenko, V. V.; Platonov, V.V.; Plis, V.I.; Popov, Alexander I.; Селемир, В. Д.; Tatsenko, O.M.

doi:10.3367/ufnr.0172.200211h.1303

Cited by 5 publications

(5 citation statements)

References 11 publications

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“…The curves have the characteristics of a ferrimagnetic mesoscopic behavior -quantum steps on the magnetization and oscillations on the susceptibility curves. Recent experiments in ultra high magnetic fields have proved the theoretical picture [5,14]. Note that the highest peak on the usceptibility was found at about 500 Tesla.…”

Section: The Full Magnetization Process In the Mn 12 Ac Nanoclustermentioning

confidence: 76%

“…2) [19]. The experimental results allow us to estimate the values of the exchange integrals [14,20,21]. …”

Section: The Full Magnetization Process In the Mn 12 Ac Nanoclustermentioning

confidence: 99%

“…The results of the MC-1 experiment is shown on fig.1. All essential physics appeared in the megagauss magnetic fields region [14]. Exchange integral Literature, cm…”

Section: The Full Magnetization Process In the Mn 12 Ac Nanoclustermentioning

confidence: 99%

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Field‐induced phase transitions (FIPT) in molecular magnets

Barbara

Kostyuchenko²,

Mischenko

et al. 2004

phys. stat. sol. (c)

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PACS 75.50.Gg, 75.50.Xx Ultrahigh magnetic fields (B = 100 -1000 T) are valuable means for many-sided research in solid state physics. A brief description of the explosion method and some results of its application are presented. The magnetic coil compensation method has been used to study the first order phase transitions in a broad range of fields and temperatures. The Faraday rotation method has been applied to measure the second order magnetic phase transitions. A number of magnetic materials were studied experimentally and theoretically: first order phase transitions in RCo 2 compounds, second order transitions in KMnF 3 , MnF 2 , etc. and steplike quantum magnetization process (transition from ferrimagnetic to ferromagnetic phase) in some mesoscopic magnets -Mn 12 Ac, Mn 6 Rad 6 and V 15 . These magnetic measurements provide us with a direct and unique method of determination of the exchange interactions between magnetic ions in magnetic moleculas. The knowledge of the magnetic interacion energies is important for molecular engineering in order to design new magnetic nanoscale materials with desireable properties. The intramolecule exchange integrals of the magnetic nanoclusters Mn 12 Ac, Mn 6 Rad 6 and V 15 that have been determined by this method are presented.

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Section: The Full Magnetization Process In the Mn 12 Ac Nanoclustermentioning

confidence: 76%

“…2) [19]. The experimental results allow us to estimate the values of the exchange integrals [14,20,21]. …”

Section: The Full Magnetization Process In the Mn 12 Ac Nanoclustermentioning

confidence: 99%

See 1 more Smart Citation

Field‐induced phase transitions (FIPT) in molecular magnets

Barbara

Kostyuchenko²,

Mischenko

et al. 2004

phys. stat. sol. (c)

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“…Some results obtained by the authors with the help of UHMFs produced by the MC-1 generator were presented in reviews [13,14]. Some results obtained by the authors with the help of UHMFs produced by the MC-1 generator were presented in reviews [13,14].…”

Section: Solid State Physics In Ultrahigh Magnetic Fieldsmentioning

confidence: 99%

Research in ultrahigh magnetic field physics

Boriskov¹,

Bykov²,

Dolotenko³

et al. 2011

Phys.-Usp.

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“…Thus, the full magnetization problem have to be solved by megagauss magnetic field technique [11][12][13] .…”

Section: Full Magnetization Processmentioning

confidence: 99%

Exchange interactions and full magnetization process of multispin nanoclaster Mn4

Zvezdin,

Plokhov

2010

Preprint

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Full magnetization process of magnetic nanocluster Mn4, including all its actual multiplets S = 9/2, S = 11/2, S = 13/2, and S = 15/2, is theoretically investigated. The formulas needed to determine the exchange constants of cluster Mn4 from experimental data are obtained. It is shown that quantum jumps of magnetization of this nanocluster are in area of megagauss magnetic fields. Remarkable feature of considered nanocluster Mn4 differing it from other multispin molecules is that its exchange spin Hamiltonian supposes exact diagonalization. This provides a reliable basis for comparison of theoretical predictions with experimental data and is important for development of new experimental techniques of high-spin molecule research.

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Magnetic molecular nanoclusters in strong magnetic fields

Cited by 5 publications

References 11 publications

Field‐induced phase transitions (FIPT) in molecular magnets

Field‐induced phase transitions (FIPT) in molecular magnets

Research in ultrahigh magnetic field physics

Exchange interactions and full magnetization process of multispin nanoclaster Mn4

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