Published March 9, 2011 | Version v1
Journal article Metadata-only

Photo-induced magnetoresistance enhancement in manganite heterojunction at room temperature

Creators

  • 1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249 (China)
  • 2. Laboratory of Optic Sensing and Detecting Technology, China University of Petroleum, Beijing 102249 (China)
  • 3. Department of Physics, Chinese University of Hong Kong (Hong Kong)

Description

The enhanced magnetoresistance (MR) effect has been discovered under laser illumination in the La2/3Ca1/3MnO3 film on the n-Si substrate at room temperature. The MR ratio dramatically increases from 0.54% to as large as 18% by irradiating with a 808 nm CW laser in 6.4 kOe magnetic field. Our results have potential applications to develop novel photo-magnetic functional devices operated at room temperature, and even possible multifunctional devices with tunable optical and magnetic properties.

Availability note (English)

Available from http://dx.doi.org/10.1088/0022-3727/44/9/095103

Additional details

Identifiers

DOI
10.1088/0022-3727/44/9/095103;
PII
S0022-3727(11)71152-4;

Publishing Information

Journal Title
Journal of Physics. D, Applied Physics
Journal Volume
44
Journal Issue
9
Journal Page Range
[4 p.]
ISSN
0022-3727
CODEN
JPAPBE

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
43047186
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Descriptors DEI
CALCIUM COMPOUNDS; EQUIPMENT; HETEROJUNCTIONS; ILLUMINANCE; LANTHANUM COMPOUNDS; LASERS; MAGNETIC FIELDS; MAGNETIC PROPERTIES; MAGNETORESISTANCE; MANGANESE OXIDES; SUBSTRATES; TEMPERATURE RANGE 0273-0400 K; THIN FILMS
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; CHALCOGENIDES; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; FILMS; MANGANESE COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SEMICONDUCTOR JUNCTIONS; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS