Cargando…

Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying

In this work, NdCoO(3) (NCO), Nd(0.8)Sr(0.2)CoO(3) (NSCO) and Nd(0.9)Ca(0.1)CoO(3) (NCCO) perovskite cobaltites were synthesised by mechanical alloying method. Structural evolutions, magnetic and electrical properties of these perovskite were systematically examined through X-ray diffraction (XRD),...

Descripción completa

Detalles Bibliográficos
Autores principales: Kursun, Celal, Gogebakan, Musa, Uludag, Esra, Bozgeyik, Mehmet S., Uludag, Fatih Samil
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6117365/
https://www.ncbi.nlm.nih.gov/pubmed/30166582
http://dx.doi.org/10.1038/s41598-018-31458-7
_version_ 1783351742963908608
author Kursun, Celal
Gogebakan, Musa
Uludag, Esra
Bozgeyik, Mehmet S.
Uludag, Fatih Samil
author_facet Kursun, Celal
Gogebakan, Musa
Uludag, Esra
Bozgeyik, Mehmet S.
Uludag, Fatih Samil
author_sort Kursun, Celal
collection PubMed
description In this work, NdCoO(3) (NCO), Nd(0.8)Sr(0.2)CoO(3) (NSCO) and Nd(0.9)Ca(0.1)CoO(3) (NCCO) perovskite cobaltites were synthesised by mechanical alloying method. Structural evolutions, magnetic and electrical properties of these perovskite were systematically examined through X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray detection (SEM-EDX), transmission electron microscopy (TEM), differential scanning calorimetry (DSC), vibration sample magnetometer (VSM) and impedance analyser (IA). The XRD and SEM results revealed that the microstructure of the perovskite materials changed during mechanical alloying. The average crystallite size of the perovskite materials was calculated by Debye Scherrer equation and was confirmed by TEM, and it was determined ~19 nm. From the VSM results, the all perovskites had soft ferromagnetic properties. IA measurements showed that relatively dielectric constants of the perovskites decreased with increasing frequency. Therefore, for the first time, nanostructured NCO, NSCO and NCCO perovskites exhibiting good properties were produced in only two steps which are milling and heating.
format Online
Article
Text
id pubmed-6117365
institution National Center for Biotechnology Information
language English
publishDate 2018
publisher Nature Publishing Group UK
record_format MEDLINE/PubMed
spelling pubmed-61173652018-09-05 Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying Kursun, Celal Gogebakan, Musa Uludag, Esra Bozgeyik, Mehmet S. Uludag, Fatih Samil Sci Rep Article In this work, NdCoO(3) (NCO), Nd(0.8)Sr(0.2)CoO(3) (NSCO) and Nd(0.9)Ca(0.1)CoO(3) (NCCO) perovskite cobaltites were synthesised by mechanical alloying method. Structural evolutions, magnetic and electrical properties of these perovskite were systematically examined through X-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray detection (SEM-EDX), transmission electron microscopy (TEM), differential scanning calorimetry (DSC), vibration sample magnetometer (VSM) and impedance analyser (IA). The XRD and SEM results revealed that the microstructure of the perovskite materials changed during mechanical alloying. The average crystallite size of the perovskite materials was calculated by Debye Scherrer equation and was confirmed by TEM, and it was determined ~19 nm. From the VSM results, the all perovskites had soft ferromagnetic properties. IA measurements showed that relatively dielectric constants of the perovskites decreased with increasing frequency. Therefore, for the first time, nanostructured NCO, NSCO and NCCO perovskites exhibiting good properties were produced in only two steps which are milling and heating. Nature Publishing Group UK 2018-08-30 /pmc/articles/PMC6117365/ /pubmed/30166582 http://dx.doi.org/10.1038/s41598-018-31458-7 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Kursun, Celal
Gogebakan, Musa
Uludag, Esra
Bozgeyik, Mehmet S.
Uludag, Fatih Samil
Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title_full Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title_fullStr Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title_full_unstemmed Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title_short Structural, electrical and magnetic properties of Nd – A – CoO(3) (A = Sr, Ca) Perovskite Powders by Mechanical Alloying
title_sort structural, electrical and magnetic properties of nd – a – coo(3) (a = sr, ca) perovskite powders by mechanical alloying
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6117365/
https://www.ncbi.nlm.nih.gov/pubmed/30166582
http://dx.doi.org/10.1038/s41598-018-31458-7
work_keys_str_mv AT kursuncelal structuralelectricalandmagneticpropertiesofndacoo3asrcaperovskitepowdersbymechanicalalloying
AT gogebakanmusa structuralelectricalandmagneticpropertiesofndacoo3asrcaperovskitepowdersbymechanicalalloying
AT uludagesra structuralelectricalandmagneticpropertiesofndacoo3asrcaperovskitepowdersbymechanicalalloying
AT bozgeyikmehmets structuralelectricalandmagneticpropertiesofndacoo3asrcaperovskitepowdersbymechanicalalloying
AT uludagfatihsamil structuralelectricalandmagneticpropertiesofndacoo3asrcaperovskitepowdersbymechanicalalloying