Itinerant metamagnetic transition in the ferromagnet LuCo3 induced by high field: instability of the 3d-electron subsystem

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F20%3A00534547" target="_blank" >RIV/68378271:_____/20:00534547 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1103/PhysRevB.101.224432" target="_blank" >https://doi.org/10.1103/PhysRevB.101.224432</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.101.224432" target="_blank" >10.1103/PhysRevB.101.224432</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Itinerant metamagnetic transition in the ferromagnet LuCo3 induced by high field: instability of the 3d-electron subsystem

Popis výsledku v původním jazyce

LuCo3 is an itinerant ferromagnet whose magnetic properties strongly depend on the position of the 3d electronic states relative to the Fermi level. We report on the magnetization of LuCo3 single crystal in pulsed magnetic fields up to 58 T. We find a field-induced phase transition at 50 T from a low-spin to a high-spin state. The transition shows a pronounced anisotropy of the magnetization jump and hysteresis. Series of ab initio calculations showed that the transition is due to a significant change in the occupancies of the Co 3d electronic states. At the same time, some features in the majority spin density of the Co 3d states are slightly modified and pass through the Fermi level when the spin state is changed, which leads to the instability of the 3d-electron subsystem. The applied magnetic field causes a significant redistribution in the majority and minority spin states in the Co 3d subsystem, which results in the sharp change in the magnetization.

Název v anglickém jazyce

Itinerant metamagnetic transition in the ferromagnet LuCo3 induced by high field: instability of the 3d-electron subsystem

Popis výsledku anglicky

LuCo3 is an itinerant ferromagnet whose magnetic properties strongly depend on the position of the 3d electronic states relative to the Fermi level. We report on the magnetization of LuCo3 single crystal in pulsed magnetic fields up to 58 T. We find a field-induced phase transition at 50 T from a low-spin to a high-spin state. The transition shows a pronounced anisotropy of the magnetization jump and hysteresis. Series of ab initio calculations showed that the transition is due to a significant change in the occupancies of the Co 3d electronic states. At the same time, some features in the majority spin density of the Co 3d states are slightly modified and pass through the Fermi level when the spin state is changed, which leads to the instability of the 3d-electron subsystem. The applied magnetic field causes a significant redistribution in the majority and minority spin states in the Co 3d subsystem, which results in the sharp change in the magnetization.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review B

ISSN

2469-9950

e-ISSN

—

Svazek periodika

101

Číslo periodika v rámci svazku

22

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

1-7

Kód UT WoS článku

000542919500003

EID výsledku v databázi Scopus

2-s2.0-85092238566