2D nature of magnetic states at SnO2 surfaces: a combined experimental and theoretical study

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F24%3A00585497" target="_blank" >RIV/68081723:_____/24:00585497 - isvavai.cz</a>

Alternative codes found

RIV/00216224:14310/24:00135881

Result on the web

<a href="https://pubs.rsc.org/en/content/articlelanding/2024/ra/d4ra00734d" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2024/ra/d4ra00734d</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/d4ra00734d" target="_blank" >10.1039/d4ra00734d</a>

Result language

angličtina

Original language name

2D nature of magnetic states at SnO2 surfaces: a combined experimental and theoretical study

Original language description

For undoped SnO2, room temperature ferromagnetism could be seen uniquely in 2-dimensional configurations, particularly in ultra-thin films (whose thickness is ideally below 100 nm). Both bulk samples and nano-powders of pristine SnO2 are diamagnetic, indicating that a 2D surface is a key point in shaping up the magnetic properties in SnO2. As a complement to our experiments, we have performed a series of quantum-mechanical calculations for the bulk rutile-structure SnO2 as well as its (001) and (101) surfaces. The calculations included several atomic configurations with and without vacancies in/under the studied surfaces. The stability of the non-magnetic ground state of rutile SnO2 bulk was cross-checked and confirmed by its phonon spectrum computed within the harmonic approximation. Regarding the surfaces, the bulk-like (001) surface containing Sn vacancies has turned out to be ferromagnetic, while the shift of Sn vacancies under the surface resulted in a more complex ferrimagnetic state. The bulk-like (001) surface without vacancies and that with the O vacancies are predicted to be non-magnetic. Regarding the (101) surfaces, those terminated by a single layer of oxygen atoms and those terminated by tin atoms are non-magnetic, while a surface terminated by two layers of oxygen has turned out to be ferromagnetic.nn

Czech name

—

Czech description

—

Type

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

CEP classification

—

OECD FORD branch

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

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2024

Confidentiality

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

Name of the periodical

RSC Advances

ISSN

2046-2069

e-ISSN

2046-2069

Volume of the periodical

14

Issue of the periodical within the volume

19

Country of publishing house

GB - UNITED KINGDOM

Number of pages

8

Pages from-to

13583-13590

UT code for WoS article

001208007500001

EID of the result in the Scopus database

2-s2.0-85191293225