Strong impact of low-level substitution of Mn by Fe on the magnetoelectric coupling in TbMnO3

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F24%3A00598769" target="_blank" >RIV/68378271:_____/24:00598769 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11320/24:10483755

Výsledek na webu

<a href="https://hdl.handle.net/11104/0356420" target="_blank" >https://hdl.handle.net/11104/0356420</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevMaterials.8.084405" target="_blank" >10.1103/PhysRevMaterials.8.084405</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Strong impact of low-level substitution of Mn by Fe on the magnetoelectric coupling in TbMnO3

Popis výsledku v původním jazyce

The correlation between static magnetoelectric coupling and magnetic structure was investigated in TbMn0.98Fe0.02O3 with magnetic field up to 8 T and down to 2 K. Single crystal neutron diffraction experiments reveal a substantial increase in the temperature dependence of the incommensurate modulation wavevector of the antiferromagnetic phase, as the magnetic field strength increases. Magnetic field dependent pyroelectric current measurements revealed significantly higher magnetoelectric coupling at magnetic fields below 4 T than in pure TbMnO3. This is due to the higher sensitivity of the incommensurably modulated cycloid structure to weak magnetic fields. It shows that a small 2% substitution of Mn3+ by Fe3+ has strong impact on the magnetic structure, promoting the destabilization of the incommensurably modulated magnetic cycloidal structure of TbMnO3 in a magnetic field above 5 T.

Název v anglickém jazyce

Strong impact of low-level substitution of Mn by Fe on the magnetoelectric coupling in TbMnO3

Popis výsledku anglicky

The correlation between static magnetoelectric coupling and magnetic structure was investigated in TbMn0.98Fe0.02O3 with magnetic field up to 8 T and down to 2 K. Single crystal neutron diffraction experiments reveal a substantial increase in the temperature dependence of the incommensurate modulation wavevector of the antiferromagnetic phase, as the magnetic field strength increases. Magnetic field dependent pyroelectric current measurements revealed significantly higher magnetoelectric coupling at magnetic fields below 4 T than in pure TbMnO3. This is due to the higher sensitivity of the incommensurably modulated cycloid structure to weak magnetic fields. It shows that a small 2% substitution of Mn3+ by Fe3+ has strong impact on the magnetic structure, promoting the destabilization of the incommensurably modulated magnetic cycloidal structure of TbMnO3 in a magnetic field above 5 T.

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

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Physical Review Materials

ISSN

2475-9953

e-ISSN

2475-9953

Svazek periodika

8

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

10

Strana od-do

084405

Kód UT WoS článku

001289962200001

EID výsledku v databázi Scopus

2-s2.0-85201563128