Electronic structure of strained (La0.85 Ba0.15) Mn O3 thin films with room-temperature ferromagnetism investigated by hard x-ray photoemission spectroscopy

Hidekazu Tanaka, Yasutaka Takata, Koji Horiba, Munetaka Taguchi, Ashish Chainani, Shik Shin, Daigo Miwa, Kenji Tamasaku, Yoshinori Nishino, Tetsuya Ishikawa, Eiji Ikenaga, Mitsuhiro Awaji, Akihisa Takeuchi, Tomoji Kawai, Keisuke Kobayashi

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

We report the bulk sensitive hard x-ray (hν=5.95 keV) core level photoemission spectroscopy to investigate the intrinsic electronic structure of strained (La0.85 Ba0.15) Mn O3 thin films. In a 20 nm thick well-strained film with strongly enhanced ferromagnetism, a new sharp satellite peak appeared at the low energy site of the Mn 2 p3 2 main peak; whereas, a broader signal was observed for the unstrained film with 300 nm thickness. Cluster calculations revealed that the intensity corresponded to the density of the state at the Fermi level relating to the magnitude of the ferromagnetic order. The satellite intensity also agreed quantitatively with the square of the magnetization.

Original languageEnglish
Article number094403
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number9
DOIs
Publication statusPublished - 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Fingerprint Dive into the research topics of 'Electronic structure of strained (La0.85 Ba0.15) Mn O3 thin films with room-temperature ferromagnetism investigated by hard x-ray photoemission spectroscopy'. Together they form a unique fingerprint.

Cite this