Temperature dependence of the magnetic susceptibility of magnetic dispersed nanosystems

Kunikin, S. A.; Dikanskii, Yu. I.

doi:10.1134/s1063784210060204

Cited by 7 publications

(3 citation statements)

References 2 publications

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“…The magnetic susceptibility is measured using the bridge method at frequencies ranging from 12 to 10 kHz with the aid of a setup that is similar to the setup of [8]. The measurements can be performed in a relatively wide temperature interval (100-450 K).…”

Section: Methodsmentioning

confidence: 99%

On the Nature of the maximum in the temperature dependence of magnetic liquid susceptibility

et al. 2015

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The temperature dependence of the real part of complex magnetic susceptibility of magnetic col loid nanosystems based on glycerol and two samples of fine magnetite powder is studied. The results are inter preted with allowance for specific features of the relaxation of magnetic moment of single domain particles. A possibility of variations in the relaxation of magnetic nanoparticles is considered.

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Section: Methodsmentioning

confidence: 99%

On the Nature of the maximum in the temperature dependence of magnetic liquid susceptibility

et al. 2015

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“…Investigations of the temperature dependence of the magnetic susceptibility were carried out by the AC-bridge method using a setup described in [5]. The probing field frequency f was in the range from 20 Hz up to 10 4 Hz, its magnitude 20 A/m.…”

Section: Samples and Setupmentioning

confidence: 99%

On the temperature dependence of ferrofluid susceptibility

2018

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The fulfillment of Curie– Weiss laws for a ferrofluid is critically discussed. The results of investigations of the magnetic susceptibility temperature dependences of ferrofluid and dried powder of magnetic particles are presented. The effective field parameter is computed in approximation of the effective field theory. It is indicated that the value of the effective field parameter is not constant and depends on the concentration of magnetic nanoparticles and the temperature of the sample. It was found that Curie-Weiss law with λ = 4π / 3 is satisfied for ferrofluid with a limited range of volume concentration of magnetic particles.

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“…One of the parameters which investigation allows carrying out the analysis of relaxation peculiarities of a magnetic moment of nanoparticles' is the magnetic susceptibility which functional relationships were repeatedly explored by many authors. Interesting result in this field is the experimentally ascertained maximum of the temperature dependence of the susceptibility which presence was related to the loss of orientation degrees of freedom of hard magnetic one-domain particles at a solidification of a dispersion medium [1]. It was also associated with the magnetic phase transition of system into a so-called state of ''dipolar glass'' [2].…”

Section: Introductionmentioning

confidence: 99%

Effects of a Superparamagnetic State of Particles of a Paraffin Based Magnetic Colloid

Dikansky

Ispiryan

Kunikin

et al. 2015

SSP

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Temperature dependence of the magnetic susceptibility of magnetic dispersed nanosystems

Cited by 7 publications

References 2 publications

On the Nature of the maximum in the temperature dependence of magnetic liquid susceptibility

On the Nature of the maximum in the temperature dependence of magnetic liquid susceptibility

On the temperature dependence of ferrofluid susceptibility

Effects of a Superparamagnetic State of Particles of a Paraffin Based Magnetic Colloid

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