Next Article in Journal
Effect of Partial Crystallization on the Structural and Luminescence Properties of Er3+-Doped Phosphate Glasses
Next Article in Special Issue
The Microstructural Characterization of Multiferroic LaFeO3-YMnO3 Multilayers Grown on (001)- and (111)-SrTiO3 Substrates by Transmission Electron Microscopy
Previous Article in Journal
Preparation, Characterization and Application of a Molecularly Imprinted Polymer for Selective Recognition of Sulpiride
Article Menu
Issue 5 (May) cover image

Export Article

Open AccessArticle
Materials 2017, 10(5), 474; doi:10.3390/ma10050474

Enhanced Multiferroic Properties of YMnO3 Ceramics Fabricated by Spark Plasma Sintering Along with Low-Temperature Solid-State Reaction

1
Shenzhen Key Laboratory of Advanced Materials, Department of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, China
2
Research Institute of Tsinghua University in Shenzhen, Shenzhen 518055, China
3
Tsinghua Innovation Center in Dongguan, Dongguan 523808, China
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editor: Melvin M. Vopson
Received: 19 March 2017 / Revised: 16 April 2017 / Accepted: 24 April 2017 / Published: 28 April 2017
View Full-Text   |   Download PDF [5937 KB, uploaded 28 April 2017]   |  

Abstract

Based on precursor powders with a size of 200–300 nm prepared by the low-temperature solid-state reaction method, phase-pure YMnO3 ceramics are fabricated using spark plasma sintering (SPS). X-ray diffraction (XRD) and scanning electron microscopy (SEM) reveal that the high-purity YMnO3 ceramics can be prepared by SPS at 1000 °C for 5 minutes with annealing at 800 °C for 2 h. The relative density of the sample is as high as 97%, which is much higher than those of the samples sintered by other methods. The present dielectric and magnetic properties are much better than those of the samples fabricated by conventional methods and SPS with ball-milling precursors, and the ferroelectric loops at room temperature can be detected. These findings indicate that the YMnO3 ceramics prepared by the low temperature solid reaction method and SPS possess excellent dielectric lossy ferroelectric properties at room temperature, and magnetic properties at low temperature (10 K), making them suitable for potential multiferroic applications. View Full-Text
Keywords: multiferroic materials; spark plasma sintering; low-temperature solid-state reaction; dielectric properties; ferroelectric properties; magnetic properties multiferroic materials; spark plasma sintering; low-temperature solid-state reaction; dielectric properties; ferroelectric properties; magnetic properties
Figures

Figure 1a

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Wang, M.; Wang, T.; Song, S.; Ravi, M.; Liu, R.; Ji, S. Enhanced Multiferroic Properties of YMnO3 Ceramics Fabricated by Spark Plasma Sintering Along with Low-Temperature Solid-State Reaction. Materials 2017, 10, 474.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Materials EISSN 1996-1944 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top