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Scopus Author ID: 55504774600

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Technical University of Kosice: Kosice, SK

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Michal Rajnak

Institute of Experimental Physics SAS: Kosice, SK

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Michal Rajnak

Works (50 of 113)

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Page 1 of 3

Analysis of impulse withstand voltage of ester-based nanofluids

Surfaces and Interfaces
2024-10 | Journal article
DOI: 10.1016/j.surfin.2024.105032
Contributors: Juraj Kurimský; Michal Rajňák; Miloš Šárpataky; Roman Cimbala; Katarína Paulovičová; Michal Krbal; Peter Kopčanský
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Dielectric relaxation spectroscopy of hybrid insulating nanofluids in time, distribution, and frequency domain

Journal of Molecular Liquids
2024-09 | Journal article
DOI: 10.1016/j.molliq.2024.125409
Contributors: Peter Havran; Roman Cimbala; Bystrík Dolník; Michal Rajňák; Róbert Štefko; Jozef Király; Juraj Kurimský; Katarína Paulovičová
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Electric partial discharges in biodegradable oil-based ferrofluids: A study on effects of magnetic field and nanoparticle concentration

Heliyon
2024-04 | Journal article
DOI: 10.1016/j.heliyon.2024.e29259
Contributors: Juraj Kurimský; Michal Rajňák; Katarína Paulovičová; Miloš Šárpataky
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Low-temperature magnetocaloric effect of the polyoxovanadate molecular magnet {VIV/V12As8}: An experimental study

Journal of Magnetism and Magnetic Materials
2024-02 | Journal article
DOI: 10.1016/j.jmmm.2024.171722
Contributors: Robert Pełka; Karol Szałowski; Michal Rajňák; Wojciech Sas; Dominik Czernia; Piotr Konieczny; Jędrzej Kobylarczyk; Matúš Mihálik; Paul Kögerler
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Effect of temperature on memory effect in nematic phase of liquid crystal and their composites with aerosil and geothite nanoparticles

Journal of Molecular Liquids
2023-12 | Journal article
DOI: 10.1016/j.molliq.2023.123357
Contributors: Katarína Zakutanská; Dmytro Miakota; Veronika Lacková; Shie-Chang Jeng; Dorota Węgłowska; Filippo Agresti; Markéta Jarošová; Peter Kopčanský; Natália Tomašovičová
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Magnetorheological characterization of oil-in-oil magnetic Pickering emulsions

Journal of Magnetism and Magnetic Materials
2023-12 | Journal article
DOI: 10.1016/j.jmmm.2023.171433
Contributors: Bassam Jameel; Katarína Paulovičová; Jana Tóthová; Michal Rajňák; Matúš Molčan; Rafał Bielas; Arkadiusz Józefczak
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Biocompatible Hydrogel-Based Liquid Marbles with Magnetosomes

Materials
2023-12-24 | Journal article
DOI: 10.3390/ma17010099
Contributors: Rafał Bielas; Tomasz Kubiak; Matus Molcan; Bernadeta Dobosz; Michal Rajnak; Arkadiusz Józefczak
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Design of Magnetic Fe3O4/CeO2 “Core/Shell”-Like Nanocomposites with Pronounced Antiamyloidogenic and Antioxidant Bioactivity

ACS Applied Materials & Interfaces
2023-10-25 | Journal article
DOI: 10.1021/acsami.3c10845
Contributors: Yuliia Shlapa; Katarina Siposova; Katerina Veltruska; Valentin-Adrian Maraloiu; Ivana Garcarova; Michal Rajnak; Andrey Musatov; Anatolii Belous
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Dielectric spectrum of a ferrofluid layer exposed to a gradient magnetic field

The Journal of Chemical Physics
2023-05-28 | Journal article
DOI: 10.1063/5.0151811
Contributors: Michal Rajňák; Bystrík Dolník; Katarína Paulovičová; Roman Cimbala; Peter Kopčanský; Milan Timko; Kinnari Parekh; R. V. Upadhyay
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Dielectric Performance of Natural- and Synthetic-Ester-Based Nanofluids with Fullerene Nanoparticles

Energies
2022-12-28 | Journal article
DOI: 10.3390/en16010343
Contributors: Miloš Šárpataky; Juraj Kurimský; Michal Rajňák; Michal Krbal; Marek Adamčák
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Frequency-Dependent Dielectric Spectroscopy of Insulating Nanofluids Based on GTL Oil during Accelerated Thermal Aging

Processes
2022-11-15 | Journal article
DOI: 10.3390/pr10112405
Contributors: Peter Havran; Roman Cimbala; Jozef Király; Michal Rajňák; Samuel Bucko; Juraj Kurimský; Bystrík Dolník
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Dielectric and thermal performance of a C60-based nanofluid and a C60-loaded ferrofluid

Physics of Fluids
2022-10 | Journal article
DOI: 10.1063/5.0117899
Contributors: Michal Rajňák; Juraj Kurimský; Katarína Paulovičová; Marek Franko; Bystrík Dolník; Roman Cimbala; Milan Timko; Peter Kopčanský; Vladimír Girman; Maksym Lisnichuk
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Entalpy of Mixing, Microstructure, Structural, Thermomagnetic and Mechanical Properties of Binary Gd-Pb Alloys

Materials
2022-10-16 | Journal article
DOI: 10.3390/ma15207213
Contributors: Piotr Gębara; Mariusz Hasiak; Jozef Kovac; Michal Rajnak
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Effect of ferrofluid magnetization on transformer temperature rise

Journal of Physics D: Applied Physics
2022-08-25 | Journal article
DOI: 10.1088/1361-6463/ac7425
Contributors: Michal Rajňák; Marek Franko; Katarína Paulovičová; Maksym Karpets; Kinnari Parekh; Ramesh Upadhyay; Juraj Kurimský; Bystrík Dolník; Roman Cimbala; Peter Havran et al.
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Electrical discharges in ferrofluids based on mineral oil and novel gas-to-liquid oil

Journal of Molecular Liquids
2021 | Journal article
DOI: 10.1016/j.molliq.2020.115244
EID:

2-s2.0-85099245102

Part of ISSN: 01677322
Contributors: Kurimsky, J.; Rajnak, M.; Cimbala, R.; Paulovicova, K.; Rozynek, Z.; Kopcansky, P.; Timko, M.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Crystal-field potential and short-range order effects in inelastic neutron scattering, magnetization, and heat capacity of the cage-glass compound HoB12

Physical Review B
2021-10-29 | Journal article
DOI: 10.1103/PhysRevB.104.134436
Contributors: B. Z. Malkin; E. A. Goremychkin; K. Siemensmeyer; S. Gabáni; K. Flachbart; M. Rajňák; A. L. Khoroshilov; K. M. Krasikov; N. Yu. Shitsevalova; V. B. Filipov et al.
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Dielectric Fluids for Power Transformers with Special Emphasis on Biodegradable Nanofluids

Nanomaterials
2021-10-28 | Journal article
DOI: 10.3390/nano11112885
Contributors: Miloš Šárpataky; Juraj Kurimský; Michal Rajňák
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Dynamic magnetic response of ferrofluids under a static electric field

Physics of Fluids
2021-08 | Journal article
DOI: 10.1063/5.0059285
Contributors: Michal Rajnak; Bystrik Dolnik; Patrik Hodermarsky; Katarina Paulovicova; Roman Cimbala; Milan Timko; Peter Kopcansky
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Cotton Textile/Iron Oxide Nanozyme Composites with Peroxidase-like Activity: Preparation, Characterization, and Application

ACS Applied Materials & Interfaces
2021-05-26 | Journal article
DOI: 10.1021/acsami.1c02154
Contributors: Ivo Safarik; Jitka Prochazkova; Martin A. Schroer; Vasil M. Garamus; Peter Kopcansky; Milan Timko; Michal Rajnak; Maksym Karpets; Oleksandr I. Ivankov; Mikhail V. Avdeev et al.
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Controllability of ferrofluids’ dielectric spectrum by means of external electric forces

Journal of Physics D: Applied Physics
2021-01-21 | Journal article
DOI: 10.1088/1361-6463/abbeb6
Contributors: Michal Rajnak; Bystrik Dolnik; Jakub Krempasky; Roman Cimbala; Kinnari Parekh; Ramesh Upadhyay; Katarina Paulovicova; Peter Kopcansky; Milan Timko
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Breakdown Driven by Magnetic Field in Gradually Aged Ferrofluid

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.939
EID:

2-s2.0-85088021337

Part of ISSN: 1898794X 05874246
Contributors: Kurimský, J.; Rajňák, M.; Cimbala, R.; Kolcunová, I.; Dolník, B.; Džmura, J.; Petráš, J.; Zbojovský, J.; Bartko, P.; Ivančák, M. et al.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Detection of Iron Wear in Mechanochemistry Using Magnetometry

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.684
EID:

2-s2.0-85087975367

Part of ISSN: 1898794X 05874246
Contributors: Baláž, M.; Rajňák, M.; Shalabayev, Zh.; Zubrik, A.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Effect of DC Voltage Ramp Rate on Breakdown in Ferrofluid Based on Transformer Oil

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.970
EID:

2-s2.0-85088035842

Part of ISSN: 1898794X 05874246
Contributors: Bartko, P.; Rajňák, M.; Cimbala, R.; Kolcunová, I.; Paulovičová, K.; Timko, M.; Kopčanský, P.; Kurimský, J.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Effect of electrical polarity on dielectric breakdown in a soft magnetic fluid

Journal of Magnetism and Magnetic Materials
2020 | Journal article
DOI: 10.1016/j.jmmm.2019.166007
EID:

2-s2.0-85074134356

Part of ISSN: 03048853
Contributors: Bartko, P.; Rajňák, M.; Cimbala, R.; Paulovičová, K.; Timko, M.; Kopčanský, P.; Kurimský, J.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Effect of TiO<inf>2</inf> Fibers on Properties of Single-Grain Bulk GdBCO Superconductors

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.800
EID:

2-s2.0-85087938224

Part of ISSN: 1898794X 05874246
Contributors: Hajdova, P.; Shepa, I.; Mudra, E.; Rajnak, M.; Dusza, J.; Diko, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Inhomogeneity of SmBCO bulk superconductors grown in air

Superconductor Science and Technology
2020 | Journal article
DOI: 10.1088/1361-6668/ab627e
EID:

2-s2.0-85081119957

Part of ISSN: 13616668 09532048
Contributors: Hajdova, P.; Zmorayova, K.; Rajnak, M.; Diko, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Investigation of structural changes in oil-based magnetic fluids by surface acoustic waves

Journal of Magnetism and Magnetic Materials
2020 | Journal article
DOI: 10.1016/j.jmmm.2020.166392
EID:

2-s2.0-85077921598

Part of ISSN: 03048853
Contributors: Bury, P.; Černobila, F.; Veveričík, M.; Kúdelčík, J.; Hardoň; Rajňák, M.; Pavlovičová, K.; Timko, M.; Kopčanský, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Magnetization as an effective tool for kinetics evaluation in mechanochemical synthesis of chalcopyrite CuFeS<inf>2</inf>

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.647
EID:

2-s2.0-85088591370

Part of ISSN: 1898794X 05874246
Contributors: Baláž, P.; Baláž, M.; Dutková, E.; Hegedus, M.; Rajñák, M.; Knížek, K.; Hejtmánek, J.; Navrátil, J.; Achimovičová, M.; Briančin, J.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Modification of diamagnetic materials using magnetic fluids<sup>1</sup>

Ukrainian Journal of Physics
2020 | Journal article
DOI: 10.15407/ujpe65.9.751
EID:

2-s2.0-85090529006

Part of ISSN: 20710194 20710186
Contributors: Safarik, I.; Prochazkova, J.; Baldikova, E.; Timko, M.; Kopcansky, P.; Rajnak, M.; Torma, N.; Pospiskova, K.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Nanofluid based on a new generation oil

20th Conference of Czech and Slovak Physicists, Proceedings
2020 | Conference paper
EID:

2-s2.0-85099711082
Contributors: Paulovicová, K.; Tóthová, J.; Rajnák, M.; Timko, M.; Kopcanský, P.; Lisý, V.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Nanofluid Based on New Generation Transformer Oil: Synthesis and Flow Properties

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.908
EID:

2-s2.0-85087986767

Part of ISSN: 1898794X 05874246
Contributors: Paulovičová, K.; Tóthová, J.; Rajňák, M.; Timko, M.; Kopčanský, P.; Lisý, V.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Radio Frequency Response of Magnetic Nanoparticle-Doped Yarn

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.687
EID:

2-s2.0-85087974211

Part of ISSN: 1898794X 05874246
Contributors: Dolník, B.; Rajňák, M.; Cimbala, R.; Kolcunová, I.; Kurimský, J.; Džmura, J.; Petráš, J.; Zbojovský, J.; Urbanský, J.; Mitróová, Z. et al.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Relationship between local microstructure and superconducting properties of commercial YBa<inf>2</inf>Cu<inf>3</inf>O<inf>7-δ</inf> bulk

Superconductor Science and Technology
2020 | Journal article
DOI: 10.1088/1361-6668/ab714f
EID:

2-s2.0-85082114029

Part of ISSN: 13616668 09532048
Contributors: Antal, V.; Zmorayová, K.; Rajňak, M.; Vojtkova, L.; Hlásek, T.; Plecháček, J.; Diko, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

SAW Investigation of Structural Changes in Oil-Based Magnetic Fluids

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.964
EID:

2-s2.0-85087965511

Part of ISSN: 1898794X 05874246
Contributors: Bury, P.; Černobila, F.; Veveričík, M.; Kúdelčík, J.; Kopčanský, P.; Timko, M.; Rajňák, M.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Small Angle X-ray Scattering Study of Magnetic Nanofluid Exposed to an Electric Field

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.942
EID:

2-s2.0-85088052175

Part of ISSN: 1898794X 05874246
Contributors: Rajnak, M.; Garamus, V.M.; Timko, M.; Kopcansky, P.; Paulovicova, K.; Kurimsky, J.; Dolnik, B.; Cimbala, R.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Small-angle neutron scattering study of transformer oil-based ferrofluids

Ukrainian Journal of Physics
2020 | Journal article
DOI: 10.15407/ujpe65.8.729
EID:

2-s2.0-85088985020

Part of ISSN: 20710194 20710186
Contributors: Karpets, M.; Rajnak, M.; Ivankov, O.; Paulovicova, K.; Timko, M.; Kopcansky, P.; Bulavin, L.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Sono-magnetic heating in tumor phantom

Journal of Magnetism and Magnetic Materials
2020 | Journal article
DOI: 10.1016/j.jmmm.2020.166396
EID:

2-s2.0-85077751030

Part of ISSN: 03048853
Contributors: Kaczmarek, K.; Hornowski, T.; Antal, I.; Rajnak, M.; Timko, M.; Józefczak, A.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Structural and magnetic properties of P25 TiO<inf>2</inf> nanoparticles doped by Co

Journal of Magnetism and Magnetic Materials
2020 | Journal article
DOI: 10.1016/j.jmmm.2020.166442
EID:

2-s2.0-85077948835

Part of ISSN: 03048853
Contributors: Mariano, J.F.M.L.; Bessergenev, V.G.; Lourenço, J.P.; Hantusch, M.; Burkel, E.; do Rego, A.M.B.; Rajňák, M.; Timko, M.; Kopčanský, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Synthesis and Magnetic Properties of Hydrophilic and Hydrophobic Hybrid Nanocomposite

Acta Physica Polonica A
2020 | Journal article
DOI: 10.12693/APhysPolA.137.973
EID:

2-s2.0-85088026979

Part of ISSN: 1898794X 05874246
Contributors: Mitroóvá, Z.; Antal, I.; Juríková, A.; Rajňák, M.; Danková, Z.; Timko, M.; Kopčanský, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Synthesis of copper nanoparticles from refractory sulfides using a semi-industrial mechanochemical approach

Advanced Powder Technology
2020 | Journal article
DOI: 10.1016/j.apt.2019.11.032
EID:

2-s2.0-85076836688

Part of ISSN: 15685527 09218831
Contributors: Baláž, M.; Tešinský, M.; Marquardt, J.; Škrobian, M.; Daneu, N.; Rajňák, M.; Baláž, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

The effect of magnetic particles covering the droplets on the heating rate of Pickering emulsions in the AC magnetic field

Journal of Molecular Liquids
2020 | Journal article
DOI: 10.1016/j.molliq.2020.114388
EID:

2-s2.0-85091752609

Part of ISSN: 01677322
Contributors: Bielas, R.; Hornowski, T.; Paulovičová, K.; Rajňák, M.; Józefczak, A.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

The influence of magnetic nanoparticle concentration with dextran polymers in agar gel on heating efficiency in magnetic hyperthermia

Journal of Molecular Liquids
2020 | Journal article
DOI: 10.1016/j.molliq.2020.112734
EID:

2-s2.0-85080074566

Part of ISSN: 01677322
Contributors: Skumiel, A.; Kaczmarek, K.; Flak, D.; Rajnak, M.; Antal, I.; Brząkała, H.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Statistical analysis of AC dielectric breakdown in transformer oil-based magnetic nanofluids

Journal of Molecular Liquids
2020-07 | Journal article
DOI: 10.1016/j.molliq.2020.113243
Part of ISSN: 0167-7322
Source: Self-asserted source
Michal Rajnak
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Dispersion of magnetic susceptibility in a suspension of flexible ferromagnetic rods

Journal of Molecular Liquids
2020-05 | Journal article
DOI: 10.1016/j.molliq.2020.112823
Part of ISSN: 0167-7322
Source: Self-asserted source
Michal Rajnak
grade
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Effect of magnetic nanoparticles on partial discharges in transformer oil

Journal of Magnetism and Magnetic Materials
2020-02 | Journal article
DOI: 10.1016/j.jmmm.2019.165923
Contributors: Juraj Kurimský; Michal Rajňák; Roman Cimbala; Jakub Rajnič; Milan Timko; Peter Kopčanský
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Ce-Doped Manganites of Lanthanum-Strontium as Promising Inducers of Magnetic Hyperthermia

2019 IEEE 39th International Conference on Electronics and Nanotechnology, ELNANO 2019 - Proceedings
2019 | Conference paper
DOI: 10.1109/ELNANO.2019.8783660
EID:

2-s2.0-85070922729
Contributors: Shlapa, Y.; Timashkov, I.; Solopan, S.; Rajnak, M.; Kovac, J.; Molcan, M.; Timko, M.; Belous, A.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Dielectric and acoustic spectroscopy of structural changes in ferrofluid by a magnetic field

Romanian Journal of Physics
2019 | Journal article
EID:

2-s2.0-85071946330

Part of ISSN: 1221146X
Contributors: Hardoň, Ś.; Kúdelčík, J.; Kopčanský, P.; Rajňák, M.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Growth, Microstructure, and Properties of GdBCO-Ag Superconductor

IEEE Transactions on Applied Superconductivity
2019 | Journal article
DOI: 10.1109/TASC.2018.2880329_rfseq1
EID:

2-s2.0-85056319018

Part of ISSN: 15582515 10518223
Contributors: Hajdova, P.; Volochova, D.; Rajnak, M.; Antal, V.; Diko, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Mechanochemical reduction of synthetic sulphidic copper-bearing minerals in an industrial scale

Inzynieria Mineralna
2019 | Journal article
DOI: 10.29227/IM-2019-01-25
EID:

2-s2.0-85074191645

Part of ISSN: 16404920
Contributors: Tešinský, M.; Baláž, M.; Rajňák, M.; Kaňuchová, M.; Baláž, P.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier

Non-uniform distribution of ferrofluids spherical particles under external electric field: Theoretical description

Journal of Molecular Liquids
2019 | Journal article
DOI: 10.1016/j.molliq.2019.01.001
EID:

2-s2.0-85060313069

Part of ISSN: 01677322
Contributors: Selyshchev, P.A.; Petrenko, V.I.; Rajnak, M.; Dolnik, B.; Kurimsky, J.; Kopcansky, P.; Timko, M.; Bulavin, L.A.
Source: Self-asserted source
Michal Rajnak via Scopus - Elsevier
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