Structural, electrical, and magneto-transport properties of Pr0.7Sr0.3MnO3: Al2O3 composites

Structural, electrical, and magneto-transport properties of Pr0.7Sr0.3MnO3: Al2O3 composites

Incorporation of insulating secondary phase into manganite composites can enhance the low-field magnetoresistance (LFMR). This work reports the structural and electrical transport properties of (1-x) Pr0.7Sr0.3MnO3 (PSMO): x Al2O3 composites synthesised by solid-state reaction method. X-ray diffract...

Full description

Bibliographic Details
Main Authors: Lim, Kean Pah, Hon, Xiao Tong, Lau, Lik Nguong, Ishak, Amirah Natasha, Wong, Yan Jing, Awang Kechik, Mohd Mustafa, Chen, Soo Kien, Shaari, Abdul Halim
Format: Article
Published: Elsevier 2022
Online Access:http://psasir.upm.edu.my/id/eprint/103318/
Description
Summary:Incorporation of insulating secondary phase into manganite composites can enhance the low-field magnetoresistance (LFMR). This work reports the structural and electrical transport properties of (1-x) Pr0.7Sr0.3MnO3 (PSMO): x Al2O3 composites synthesised by solid-state reaction method. X-ray diffraction (XRD) patterns indicated that Mn-O-Mn bond distance and angle were disturbed due to the substitution of Al3+ at Mn-site of PSMO system. This subsequently increased the resistivity of composite samples and shifted the metal-insulator transition temperature (TMI) to lower temperatures as increasing content of Al2O3. LFMR effect was observed as the magnetoresistance values increase monotonically with the decreasing temperature.

Similar Items