Nonlinear magnetoelectric effect in paraelectric state of Co4Nb2O9 single crystal

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F17%3A00481350" target="_blank" >RIV/61389005:_____/17:00481350 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1038/s41598-017-14169-3" target="_blank" >http://dx.doi.org/10.1038/s41598-017-14169-3</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41598-017-14169-3" target="_blank" >10.1038/s41598-017-14169-3</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Nonlinear magnetoelectric effect in paraelectric state of Co4Nb2O9 single crystal

Popis výsledku v původním jazyce

We report the structural, magnetoelectric (ME), magnetic and electric control of magnetic properties in Co4Nb2O9 (CNO) single crystal. A detailed ME measurement reveals a nonlinear ME effect instead of a linear ME effect in CNO single crystal. By fitting the magnetization-electric field (M-E) curve, it can be found that the linear (alpha(e)) and quadratic (gamma) coefficients equal to similar to 8.27 ps/m and similar to-6.46 ps/MV for upper branch, as well as similar to 8.38 ps/m and similar to 6.75 ps/MV for the lower branch. More importantly, a pronounced response was observed under a small cooling magnetic field, which cannot even cause the spin flop. This suggests a magnetoelectric effect can occur at paraelectric state for CNO single crystal. Furthermore, we also found that the magnetization of every axis responds to electric field applied along a-axis, but fails to do so when the electric field is applied c-axis. Such findings supply a direct evidence to the magnetic structure and ME coupling mechanism indirectly reflected by our neutron experiment.

Název v anglickém jazyce

Nonlinear magnetoelectric effect in paraelectric state of Co4Nb2O9 single crystal

Popis výsledku anglicky

We report the structural, magnetoelectric (ME), magnetic and electric control of magnetic properties in Co4Nb2O9 (CNO) single crystal. A detailed ME measurement reveals a nonlinear ME effect instead of a linear ME effect in CNO single crystal. By fitting the magnetization-electric field (M-E) curve, it can be found that the linear (alpha(e)) and quadratic (gamma) coefficients equal to similar to 8.27 ps/m and similar to-6.46 ps/MV for upper branch, as well as similar to 8.38 ps/m and similar to 6.75 ps/MV for the lower branch. More importantly, a pronounced response was observed under a small cooling magnetic field, which cannot even cause the spin flop. This suggests a magnetoelectric effect can occur at paraelectric state for CNO single crystal. Furthermore, we also found that the magnetization of every axis responds to electric field applied along a-axis, but fails to do so when the electric field is applied c-axis. Such findings supply a direct evidence to the magnetic structure and ME coupling mechanism indirectly reflected by our neutron experiment.

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

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název periodika

Scientific Reports

ISSN

2045-2322

e-ISSN

—

Svazek periodika

7

Číslo periodika v rámci svazku

10

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

7

Strana od-do

—

Kód UT WoS článku

000413816000009

EID výsledku v databázi Scopus

2-s2.0-85032504365