29 November 2023 to 1 December 2023
CERN
Europe/Zurich timezone

A study of the local fields in bismuth ferrite by using different radioactive tracer ions

1 Dec 2023, 10:00
12m
503/1-001 - Council Chamber (CERN)

503/1-001 - Council Chamber

CERN

162
Show room on map
Submitted oral (online) Solid State Physics

Speaker

Thanh Thien Dang (Institut Fur Materialwissenschaft Universität Duisburg-Essen (DE))

Description

This work presents the study of the local electric and magnetic fields in multiferroic bismuth ferrite (BiFeO3: BFO) using Time Differential Perturbed Angular Correlation (TDPAC) spectroscopy. The measurements were carried out at a wide range of temperatures up to 850oC, after the implantation of various radioactive tracer ions: 181Hf, 111In and 111mCd. The experimental results reflect the obedience to the Landau theory and the Brillouin-Weiss equation of local electric polarization and magnetization, respectively. Particularly, a huge coupling between local electric and magnetic fields has been investigated in anti-ferromagnetic order. With the support of ab-initio DFT simulations, we are able to discuss the site-assignment for the probe nucleus, and conclude that under our experimental conditions, the 111mCd is located at the Bi-atom at the A-site, 181Hf and 111In probes substitute the Fe-atom at the B-site.

Author

Thanh Thien Dang (Institut Fur Materialwissenschaft Universität Duisburg-Essen (DE))

Co-authors

Dr Adeleh Mokhles Gerami (School of Particles and Accelerators, Institute for Research in Fundamental Sciences (IPM),P.O. Box 19395-5531, Tehran, Iran) Ms Andrea González Boa (Technical University of Denmark (DTU), 2800 Kongens Lyngby, Denmark) Dr Astita Dubey (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) Ms Cornelia Noll (Helmholtz-Institut für Strahlen- und Kernphysik, University of Bonn, 53115 Bonn, Germany) Mr Daniil Lewin (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) Dr Dmitry Zyabkin (Chair Materials for Electronics, Institute of Materials Science and Engineering, and Institute of Micro and Nanotechnologies MacroNano®, TU Ilmenau, 98693 Ilmenau, Germany) Prof. Doru Constantin Lupascu (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) Dr Georg Marschick (Institute for Solid State Electronics and Center for Micro- and Nanostructures, Vienna University of Technology, Vienna 1040, Austria) Mr Ian Chang Jie Yap (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) Dr João Nuno Gonçalves (CICECO - Aveiro Institute of Materials and Departamento de Física,Universidade de Aveiro, 3810-193 Aveiro, Portugal) Dr Juliana Schell (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany; European Organization for Nuclear Research (CERN), 1211 Geneva, Switzerland) Dr Koen van Stiphout (Georg-August-Universität Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany) Dr Konstantin Glukhov (Uzhhorod National University, 88000 Uzhhorod, Ukraine) Dr Marianela Escobar-Castillo (Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany) Prof. Reinhard Beck (Helmholtz-Institut für Strahlen- und Kernphysik, University of Bonn, 53115 Bonn, Germany)

Presentation materials

There are no materials yet.