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Recent Advances of Spectroscopic Research on Magnetic Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 2441

Special Issue Editors


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Guest Editor
Department of Physics, Ewha Womans University, Seoul 03760, Korea
Interests: Raman spectroscopy; multi-ferroic materials; spin excitations

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Guest Editor
Wuhan Institute of Technology, Wuhan 430205, China
Interests: Raman spectroscopy; nanomaterials; magnonics

Special Issue Information

Dear Colleagues,

We see things through light, mostly visible light. However, lights beyond the visible range are used when we need to extend the limit of detection. Light, an electromagnetic wave, interacts with materials via the charge and spin of the electrons or nucleons.

Naturally, light scattering has long been used as a powerful method in various research area, due to its fingerprint sensitivity, high information content, minimal sample preparation, non-contact and non-destructive nature. Advances in light sources, such as lasers, synchrotron accelerators, terahertz generators further expanded our scope of research activity to unprecedented level. In recent years, light scattering studies of magnetic materials have attracted much research interests. Valuable information regarding the nature of the spin excitations and the possibility of application to optically-operating spin devices is obtained through light scattering investigation of various magnetic materials.

For this special issue, we cordially invite you to contribute and share with our colleagues your research articles, reviews, and communications that will stimulate continuing efforts in the light, from infra-red (even radio-wave) to x-ray, scattering research on magnetic materials. Recent topics and progresses of light scattering research of magnetic materials including fundamental spin excitations and application to optical spin devices are encouraged.

Prof. In-Sang Yang
Prof. Xiang-Bai Chen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Magnetic materials
  • Multiferroic material
  • Light scattering
  • X-ray scattering
  • IR absorption
  • Inelastic light scattering
  • Spin ordering
  • Spin excitation
  • Magnetic phase transition
  • Optical spin devices

Published Papers (1 paper)

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Research

13 pages, 4607 KiB  
Article
Oxidation of MBE-Grown ZnTe and ZnTe/Zn Nanowires and Their Structural Properties
by Katarzyna Gas, Slawomir Kret, Wojciech Zaleszczyk, Eliana Kamińska, Maciej Sawicki, Tomasz Wojtowicz and Wojciech Szuszkiewicz
Materials 2021, 14(18), 5252; https://doi.org/10.3390/ma14185252 - 13 Sep 2021
Cited by 1 | Viewed by 2047
Abstract
Results of comparative structural characterization of bare and Zn-covered ZnTe nanowires (NWs) before and after thermal oxidation at 300 °C are presented. Scanning electron microscopy, energy-dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, and Raman scattering not only unambiguously confirm the conversion of the [...] Read more.
Results of comparative structural characterization of bare and Zn-covered ZnTe nanowires (NWs) before and after thermal oxidation at 300 °C are presented. Scanning electron microscopy, energy-dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, and Raman scattering not only unambiguously confirm the conversion of the outer layer of the NWs into ZnO, but also demonstrate the influence of the oxidation process on the structure of the inner part of the NWs. Our study shows that the morphology of the resulting ZnO can be improved by the deposition of thin Zn shells on the bare ZnTe NWs prior to the oxidation. The oxidation of bare ZnTe NWs results in the formation of separated ZnO nanocrystals which decorate crystalline Te cores of the NWs. In the case of Zn-covered NWs, uniform ZnO shells are formed, however they are of a fine-crystalline structure or partially amorphous. Our study provides an important insight into the details of the oxidation processes of ZnTe nanostructures, which could be of importance for the preparation and performance of ZnTe based nano-devices operating under normal atmospheric conditions and at elevated temperatures. Full article
(This article belongs to the Special Issue Recent Advances of Spectroscopic Research on Magnetic Materials)
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