Ondrej Hovorka

Search results

• 2023

  Magnetic hyperthermia

  Ruta, S., Serantes, D., Hovorka, O., Gutierrez, L. & Chantrell, R., 1 Jan 2023, Magnetic Sensors and Actuators in Medicine: Materials, Devices, and Applications. Elsevier, p. 185-226 42 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• 2022

  Influence of finite-size effects on the Curie temperature of L10-FePt

  Binh, N. T., Ruta, S., Hovorka, O., Evans, R. F. L. & Chantrell, R. W., 17 Aug 2022, In: Physical Review B. 106, 5, 8 p., 054421.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2020

  Disentangling local heat contributions in interacting magnetic nanoparticles

  Muñoz-Menendez, C., Serantes, D., Chubykalo-Fesenko, O., Ruta, S., Hovorka, O., Nieves, P., Livesey, K. L., Baldomir, D. & Chantrell, R., 10 Dec 2020, In: Physical Review B. 102, 21, 214412.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Thermodynamics of interacting magnetic nanoparticles

  Torche, P., Munoz-Menendez, C., Serantes, D., Baldomir, D., Livesey, K. L., Chubykalo-Fesenko, O., Ruta, S., Chantrell, R. & Hovorka, O., 1 Jun 2020, In: Physical Review B. 101, 22, 8 p., 224429.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Unveiling the Dynamical Assembly of Magnetic Nanocrystal Zig-Zag Chains via In Situ TEM Imaging in Liquid

  Arciniegas, M. P., Castelli, A., Brescia, R., Serantes, D., Ruta, S., Hovorka, O., Satoh, A., Chantrell, R. & Pellegrino, T., 25 Jun 2020, In: Small. 16, 25, 11 p., e1907419.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2018

  Magnetic Interaction of Multifunctional Core–Shell Nanoparticles for Highly Effective Theranostics

  Yang, M. D., Ho, C. H., Ruta, S., Chantrell, R., Krycka, K., Hovorka, O., Chen, F. R., Lai, P. S. & Lai, C. H., 13 Dec 2018, In: Advanced Materials. 30, 50, 9 p., 1802444.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2017

  Asymmetric Assembling of Iron Oxide Nanocubes for Improving Magnetic Hyperthermia Performance

  Niculaes, D., Lak, A., Anyfantis, G. C., Marras, S., Laslett, O., Avugadda, S. K., Cassani, M., Serantes, D., Hovorka, O., Chantrell, R. & Pellegrino, T., 26 Dec 2017, In: ACS Nano. 11, 12, p. 12121-12133 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• First order reversal curves and intrinsic parameter determination for magnetic materials; Limitations of hysteron-based approaches in correlated systems

  Ruta, S., Hovorka, O., Huang, P. W., Wang, K., Ju, G. & Chantrell, R., 24 Mar 2017, In: Scientific Reports. 7, p. 1-12 12 p., 45218.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2016

  Consistent energy barrier distributions in magnetic particle chains

  Laslett, O., Ruta, S., Chantrell, R. W., Barker, J., Friedman, G. & Hovorka, O., 1 Apr 2016, In: Physica b-Condensed matter. 486, p. 173-176 4 p.

  Research output: Contribution to journal › Article › peer-review

• Effects of interactions on the relaxation processes in magnetic nanostructures

  Atkinson, L. J., Ostler, T. A., Hovorka, O., Wang, K. K., Lu, B., Ju, G. P., Hohlfeld, J., Bergman, B., Koopmans, B. & Chantrell, R. W., 28 Oct 2016, In: Physical Review B. 94, 13, p. 1-8 8 p., 134431.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2015

  Interaction effects enhancing magnetic particle detection based on magneto-relaxometry

  Laslett, O., Ruta, S., Barker, J., Chantrell, R. W., Friedman, G. & Hovorka, O., 5 Jan 2015, In: Applied Physics Letters. 106, 1, 4 p., 012407.

  Research output: Contribution to journal › Article › peer-review

• Multiscale modeling of ultrafast magnetization dynamics

  Ostler, T. A., Barker, J., Evans, R. F. L., Atxitia, U., Chantrell, R. W., Hovorka, O. & Chubykalo-Fesenko, O., 1 Jan 2015, Ultrafast Magnetism I: Proceedings of the International Conference UMC 2013 Strasbourg, France, October 28th - November 1st, 2013. Springer, p. 146-149 4 p. (Springer Proceedings in Physics; vol. 159).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Unified model of hyperthermia via hysteresis heating in systems of interacting magnetic nanoparticles

  Ruta, S., Chantrell, R. & Hovorka, O., 13 Mar 2015, In: Scientific Reports. 5, 9090.

  Research output: Contribution to journal › Article › peer-review
• 2014

  Atomistic calculation of the thickness and temperature dependence of exchange coupling through a dilute magnetic oxide

  Evans, R. F. L., Coopman, Q., Devos, S., Fan, W. J., Hovorka, O. & Chantrell, R. W., 17 Dec 2014, In: Journal of Physics D: Applied Physics. 47, 50, 5 p., 502001.

  Research output: Contribution to journal › Article › peer-review

• Enhanced oxidation of nanoparticles through strain-mediated ionic transport

  Pratt, A., Lari, L., Hovorka, O., Shah, A., Woffinden, C., Tear, S., Binns, C. & Kröger, R., Jan 2014, In: Nature Materials. 13, 1, p. 26-30 5 p., n/a.

  Research output: Contribution to journal › Article › peer-review

• Role of geometrical symmetry in thermally activated processes in clusters of interacting dipolar moments

  Hovorka, O., Barker, J., Friedman, G. & Chantrell, R. W., 12 Mar 2014, In: Physical Review B: Condensed Matter and Materials Physics. 89, 10, 104410.

  Research output: Contribution to journal › Article › peer-review
• 2013

  MPI tracer magnetization simulated using a Kinetic Monte Carlo method

  Hua, L., Hovorka, O., Ferguson, R. M., Chantrell, R. W. & Krishnan, K. M., 1 Jan 2013, 2013 International Workshop on Magnetic Particle Imaging, IWMPI 2013.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Two-magnon bound state causes ultrafast thermally induced magnetisation switching

  Barker, J., Atxitia-MacIzo, U., Ostler, T. A., Hovorka, O., Chubykalo-Fesenko, O. & Chantrell, R. W., 20 Nov 2013, In: Scientific Reports. 3, 3262.

  Research output: Contribution to journal › Article › peer-review
• 2012

  Distribution of switching fields in magnetic granular materials

  Hovorka, O., Pressesky, J., Ju, G., Berger, A. & Chantrell, R. W., 29 Oct 2012, In: Applied Physics Letters. 101, 18, 182405 .

  Research output: Contribution to journal › Article › peer-review

• The Curie temperature distribution of FePt granular magnetic recording media

  Hovorka, O., Devos, S., Coopman, Q., Fan, W. J., Aas, C. J., Evans, R. F. L., Chen, X., Ju, G. & Chantrell, R. W., 1 Aug 2012, In: Applied Physics Letters. 101, 5, 052406.

  Research output: Contribution to journal › Article › peer-review
• 2011

  Chains of superparamagnetic nanoparticles as biomedical sensing and diagnostic tools

  Hovorka, O., Chantrell, R. & Friedman, G., 1 Jan 2011.

  Research output: Contribution to conference › Paper › peer-review

• 2010

  Energy losses in interacting fine-particle magnetic composites

  Burrows, F., Parker, C., Evans, R. F. L., Hancock, Y., Hovorka, O. & Chantrell, R. W., 1 Dec 2010, In: Journal of Physics D: Applied Physics. 43, 47, p. 1-10 10 p., 474010.

  Research output: Contribution to journal › Article › peer-review

• Rate-dependence of the switching field distribution in nanoscale granular magnetic materials

  Hovorka, O., Evans, R. F. L., Chantrell, R. W. & Berger, A., 9 Aug 2010, In: Applied Physics Letters. 97, 6

  Research output: Contribution to journal › Article › peer-review

• Validation of Δh (M,ΔM)-technique for identification of switching field distributions in the presence of thermal relaxation

  Hovorka, O., Evans, R. F. L., Chantrell, R. W., Liu, Y., Dahmen, K. A. & Berger, A., 15 Dec 2010, In: Journal of Applied Physics. 108, 12, 7 p., 123901.

  Research output: Contribution to journal › Article › peer-review