Applications beyond data storage

Reiss, Günter; Hütten, Andreas

doi:10.1038/nmat1494

Cited by 506 publications

(286 citation statements)

References 4 publications

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“…Magnetic nanoparticles (MNPs) are being extensively studied due to their multiple applications in technology 1 and biomedicine. [2][3][4][5] Particles with sizes in the range [5,100] nm (Ref.…”

Section: Introductionmentioning

confidence: 99%

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Bruvera

Zélis

Calatayud

et al. 2015

Journal of Applied Physics

220

122

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Section: Introductionmentioning

confidence: 99%

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Bruvera

Zélis

Calatayud

et al. 2015

Journal of Applied Physics

220

122

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“…A broad area of research topics from fundamental physical, biological, and chemical phenomena to material science has been addressing by the scientific society at the nanoscale. [1][2][3] Nanoparticle doping technology provides a more convenient and flexible approach for the modification of liquid crystal (LC) materials and for designing new and improved devices based upon LCs. The minute addition of nanoparticles (NPs) to LC materials has improved many special characteristics in the form of frequency modulation response, 4 non-volatile memory effect, 5 fast electro-optic response, 6 low driving voltage, 7 and so on.…”

Section: Introductionmentioning

confidence: 99%

Effect of ZnO nanoparticles on the SmC-SmA phase transition temperature in electroclinic liquid crystals

Malik

Choudhary

Silotia

et al. 2011

Journal of Applied Physics

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Experimental assessment of quasi-binary picture of thermotropics: Induced smectic A phase in 7CB-n-heptane system J. Chem. Phys. 135, 044705 (2011) Does transparent nematic phase exist in 5CB/DDAB/water microemulsions? From the viewpoint of temperature dependent dielectric spectroscopy J. Chem. Phys. 134, 034505 (2011) A kind of two-dimensional electroconvection at ultralow electric frequency Appl. Phys. Lett. 97, 203507 (2010) Study of the isotropic to smectic-A phase transition in liquid crystal and acetone binary mixtures J. Chem. Phys. 133, 174501 (2010) Thermotropic nematic and smectic order in silica glass nanochannels Appl. Phys. Lett. 97, 153124 (2010) Additional information on J. Appl. Phys. ZnO nanoparticles (NPs), synthesized in an alcoholic medium at room temperature, were added to electroclinic liquid crystal (ELC) materials. The addition of ZnO NPs in ELCs, caused a remarkable shift in SmC * -SmA * phase transition which was investigated from the dielectric and electro-optical measurements. The anchoring of ELC molecules around ZnO NPs creates orientational distortions near the surface, which may give additional ordering to the ELC molecular arrangement. After analyzing collective dielectric relaxation processes of ZnO NP doped ELCs, three distinct loss peaks were observed. The different behavior of ZnO NP doped ELC from pure ELC has been explained by determining the dielectric strength, the distribution parameter and the corresponding relaxation frequency, and so on, and then these results have been compared with the data calculated by using the theoretical model. The effect of ZnO NPs addition on physical parameters, such as spontaneous polarization (P s ) and rotational viscosity (g) has also been observed.

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“…In these years nanomagnetic particles have drawn special attention because of their recording ability and use as perpendicular magnetic memory and biomedical applications such as hyperthermia, magnetic resonance contrast enhancement and drug delivery etc. [1]. The nanoparticles, which show high magnetic moment are a better candidate, as far as the applications are concerned.…”

Section: Introductionmentioning

confidence: 99%

Superparamagnetism in FeCo nanoparticles

Pradyumnan¹

2016

Nanosystems: Phys. Chem. Math.

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Superparamagnetism is an important physical property of a certain kinds of nanoparticles and these particles have attracted interest because of their applications in the technological world and medical fields. In this work, the author reports the synthesis of iron cobalt (Fe 60 Co 40 ) and Manganese (Mn) incorporated FeCo compound nanoparticles by a simple inert atmosphere reductive decomposition method. The synthesized nanoparticles were characterized by transmission electron microscopy (TEM), X-ray diffraction technique (XRD), selected area electron diffraction (SAED), energy dispersive X-ray analysis (EDX) and Fourier transform infrared (FTIR) spectroscopic method. The magnetic properties of the particles have been studied with a magnetometer (SQUID).

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Applications beyond data storage

Cited by 506 publications

References 4 publications

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Effect of ZnO nanoparticles on the SmC-SmA phase transition temperature in electroclinic liquid crystals

Superparamagnetism in FeCo nanoparticles

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Applications beyond data storage

Cited by 506 publications

References 4 publications

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Determination of the blocking temperature of magnetic nanoparticles: The good, the bad, and the ugly

Effect of ZnO nanoparticles on the SmC*-SmA* phase transition temperature in electroclinic liquid crystals

Superparamagnetism in FeCo nanoparticles

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About

Effect of ZnO nanoparticles on the SmC-SmA phase transition temperature in electroclinic liquid crystals