First-principles calculations of magnetic properties for analysis of magnetization processes in rare-earth permanent magnets
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00552126" target="_blank" >RIV/68378271:_____/21:00552126 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0327452" target="_blank" >http://hdl.handle.net/11104/0327452</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/14686996.2021.1947119" target="_blank" >10.1080/14686996.2021.1947119</a>
Alternative languages
Result language
angličtina
Original language name
First-principles calculations of magnetic properties for analysis of magnetization processes in rare-earth permanent magnets
Original language description
It has been empirically known that the coercivity of rare-earth permanent magnets depends on the size and shape of fine particles of the main phase in the system. Also, recent experimental observations have suggested that the atomic-scale structures around the grain-boundaries of the fine particles play a crucial role to determine their switching fields. In this article, we review a theoretical attempt to describe the finite temperature magnetic properties and to evaluate the reduction of the switching fields of fine particles of several rare-earth permanent magnetic materials based on an atomistic spin model that is constructed using first-principles calculations. It is shown that, over a wide temperature range, the spin model gives a good description of the magnetization curves of rare-earth intermetallic compounds such as R2Fe14B (R= Dy, Ho, Pr, Nd, Sm) and SmFe12.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
<a href="/en/project/EF16_019%2F0000760" target="_blank" >EF16_019/0000760: Solid State Physics for 21st century</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Science and Technology of Advanced Materials
ISSN
1468-6996
e-ISSN
1878-5514
Volume of the periodical
22
Issue of the periodical within the volume
1
Country of publishing house
NL - THE KINGDOM OF THE NETHERLANDS
Number of pages
10
Pages from-to
748-757
UT code for WoS article
000693424900001
EID of the result in the Scopus database
2-s2.0-85114448963