2025-02-23T00:44:33-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-144371%22&qt=morelikethis&rows=5
2025-02-23T00:44:33-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A&wt=json&json.nl=arrarr&q=id%3A%22irk-123456789-144371%22&qt=morelikethis&rows=5
2025-02-23T00:44:33-05:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2025-02-23T00:44:33-05:00 DEBUG: Deserialized SOLR response
Surface segregation and charge state of La₀.₇Sr₀.₃MnO₃

Surface segregation and charge state of La₀.₇Sr₀.₃MnO₃

Nuclear magnetic resonance and secondary ion mass-spectroscopy have been used to study the surface charge and surface chemical compositions of La₀.₇Sr₀.₃MnO₃ nanoparticles of 12 and 50-100 nm size. It is found that the surface of particles is characterized by an increased content of Sr and Mn ions t...

Full description

Saved in:
Bibliographic Details
Main Authors: Danilenko, I.A., Konstantinova, T.E., Shatalova, G.E., Krivoruchko, V.N., Doroshev, V.D., Stupak, V.A., Volkova, G.K.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2006
Series:Functional Materials
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/144371
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Nuclear magnetic resonance and secondary ion mass-spectroscopy have been used to study the surface charge and surface chemical compositions of La₀.₇Sr₀.₃MnO₃ nanoparticles of 12 and 50-100 nm size. It is found that the surface of particles is characterized by an increased content of Sr and Mn ions than the bulk, while the difference depends on particle size. The surface segregation process is considered to be a possible mechanism for cation rearrangement. Thus, the observed magnetically dead layer on a particle surface may be formed due to increase in the Sr and Mn ions concentrations up to values corresponding to an antiferromagnetic state.

Similar Items