Voigt effect-based wide-field magneto-optical microscope integrated in a pump-probe experimental setup

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10384473" target="_blank" >RIV/00216208:11320/18:10384473 - isvavai.cz</a>

Alternative codes found

RIV/68378271:_____/18:00510828

Result on the web

<a href="https://doi.org/10.1063/1.5023183" target="_blank" >https://doi.org/10.1063/1.5023183</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.5023183" target="_blank" >10.1063/1.5023183</a>

Result language

angličtina

Original language name

Voigt effect-based wide-field magneto-optical microscope integrated in a pump-probe experimental setup

Original language description

In this work, we describe an experimental setup for a spatially resolved pump-probe experiment with an integrated wide-field magneto-optical (MO) microscope. The MO microscope can be used to study ferromagnetic materials with both perpendicular-to-plane and in-plane magnetic anisotropy via polar Kerr and Voigt effects, respectively. The functionality of the Voigt effect-based microscope was tested using an in-plane magnetized ferromagnetic semiconductor (Ga,Mn)As. It was revealed that the presence of mechanical defects in the (Ga,Mn)As epilayer alters significantly the magnetic anisotropy in their proximity. The importance of MO experiments with simultaneous temporal and spatial resolutions was demonstrated using a (Ga,Mn)As sample attached to a piezoelectric transducer, which produces a voltage-controlled strain. We observed a considerably different behavior in different parts of the sample that enabled us to identify sample parts where the epilayer magnetic anisotropy was significantly modified by the presence of the piezoelectric transducer and where it was not. Finally, we discuss the possible applicability of our experimental setup for the research of compensated antiferromagnets, where only MO effects even in magnetic moments are present. Published by AIP Publishing.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

10306 - Optics (including laser optics and quantum optics)

Project

<a href="/en/project/GB14-37427G" target="_blank" >GB14-37427G: Center of spintronics</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

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

Name of the periodical

Review of Scientific Instruments

ISSN

0034-6748

e-ISSN

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Volume of the periodical

89

Issue of the periodical within the volume

7

Country of publishing house

US - UNITED STATES

Number of pages

10

Pages from-to

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UT code for WoS article

000440590200025

EID of the result in the Scopus database

2-s2.0-85049631612