Credentials
Education
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Ph.D. in Inorganic Chemistry, 2002
Ivan Franko L’viv National University, L’viv, Ukraine
Research Advisors: Prof. R.V. Skolozdra, Dr. L.P. Romaka
Thesis Title: “Phase relations, crystal structures of compounds and their magnetic and electrical properties in ternary systems {Er,Yb}-{Co,Ni,Cu}-Sn“
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M.S./B.S. (with distinction):
Chemistry, 1997
Ivan Franko L’viv National University, L’viv, Ukraine
Research Advisor: Prof. R.V. Skolozdra
Areas of Expertise
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Experimental synthesis, magnetism, and structural characterization of intermetallic compounds containing rare-earth elements
- Magnetocaloric effect and its applications
- Relationships between composition, structure, physical and chemical properties of materials exhibiting extraordinary responses to external stimuli (temperature, pressure, magnetic field)
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Polymorphic solid state phase transformations; coupled magnetic and structural transformations leading to giant magnetocaloric effect, magnetostriction, and magnetoresistance
Research
Research Interests
- Rare-earth intermetallic compounds, their synthesis and crystallography, composition-structure-property relationships, and physical behaviors.
- Discontinuous anhysteretic phase transitions, in situ powder X-ray diffraction, and characterization of magnetic and thermal properties.
- Magnetism and associated functionalities, including magnetocaloric effect, magnetostriction, magnetoresistance, and hard magnetic properties.
Patents
- H.N. Bez, A. Biswas, A.K. Pathak, Y. Mudryk, N.A. Zarkevich, V. Balema, V.K. Pecharsky, “Highly tunable, inexpensive and easily fabricated magnetocaloric materials” (US Patent Application 16/350,728), 2019.
- A.K. Pathak, Y. Mudryk, O. Dolotko, V.K. Pecharsky, “Modified La-Fe-Si magnetocaloric alloys” (US Patent Application 16/501,027), 2019.
- O. Dolotko, V. Balema, I. Hlova, S. Gupta, Y. Mudryk, V.K. Pecharsky, “Mechanochemical recovery of Co, Li and other constituents from spent lithium-ion batteries” (US Patent Application 16/973,071), 2020.
Publications
R5T4 compounds: An extraordinary versatile model system for the solid state science
Handbook on the Physics and Chemistry of Rare Earths, Elsevier, v. 44 (2014) pp. 283-449.,
2014
Distinctive exchange bias and unusual memory effects in magnetically compensated Pr0.75Gd0.25ScGe
J. Mat. Chem. C, 9, 181-188, (2021),
2022
Material-based figure of merit for caloric materials
Journal of Applied Physics,
2018
Physics-Informed Machine-Learning Prediction of Curie Temperatures and Its Promise for Guiding the Discovery of Functional Magnetic Materials
Chemistry of Materials,
2023
Enhancement of hard magnetism and chemical order of synthetic L10-FeNi
Journal of Alloys and Compounds,
2024
Exceptional magnetic and magnetoelastic behavior of rare-earth non-centrosymmetric Sm7Pd3
Acta Materialia,
2024