Visible-light-induced persistent photoconductivity in perovskite manganitefilms of (La0.3Nd0.7)(2/3)Ca1/3MnO3

Authors
Dai, JM Song, WH Wang, SG Ye, SL Wang, KY Du, JJ Sun, YP
Citation
Jm. Dai et al., Visible-light-induced persistent photoconductivity in perovskite manganitefilms of (La0.3Nd0.7)(2/3)Ca1/3MnO3, J APPL PHYS, 90(6), 2001, pp. 3118-3120
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF APPLIED PHYSICS
ISSN journal
00218979 → ACNP
Volume
90
Issue
6
Year of publication
2001
Pages
3118 - 3120
Database
ISI
SICI code
0021-8979(20010915)90:6<3118:VPPIPM>2.0.ZU;2-9
Abstract
The persistent photoconductivity (PPC) induced by visible light of a He-Ne laser with a wavelength of 632.8 nm in perovskite manganite films of (La0.3 Nd0.7)(2/3)Ca1/3MnO3 at low temperatures, below similar to 50 K, was observ ed. Based on the measurements of transport and magnetic properties, it is s uggested that the samples undergo a transition of cluster-glass state below similar to 50 K. The PPC phenomenon can be qualitatively explained in term s of a photoinduced ferromagnetic cluster growth model. (C) 2001 American I nstitute of Physics.