English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Ultrafast Coupling between Light, Coherent Lattice Vibrations, and the Magnetic Structure of Semicovalent LaMnO3

Wall, S., Prabhakaran, D., Boothroyd, A. T., & Cavalleri, A. (2009). Ultrafast Coupling between Light, Coherent Lattice Vibrations, and the Magnetic Structure of Semicovalent LaMnO3. Physical Review Letters, 103(9): 097402. doi:10.1103/PhysRevLett.103.097402.

Item is

Basic

show hide
Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-19D0-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-19D1-2
Genre: Journal Article

Files

show Files
hide Files
:
PhysRevLett.103.097402.pdf (Publisher version), 484KB
Name:
PhysRevLett.103.097402.pdf
Description:
-
Visibility:
Public
MIME-Type / Checksum:
application/pdf / [MD5]
Technical Metadata:
Copyright Date:
2009
Copyright Info:
© American Physical Society
License:
-

Locators

show
hide
Description:
-

Creators

show
hide
 Creators:
Wall, S.1, Author
Prabhakaran, D.1, Author
Boothroyd, A. T.1, Author
Cavalleri, Andrea1, 2, 3, Author              
Affiliations:
1Department of Physics, Clarendon Laboratory, University of Oxford, United Kingdom, ou_persistent22              
2Condensed Matter Dynamics Division, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173637              
3CFEL, Hamburg, Germany, ou_persistent22              

Content

show
hide
Free keywords: PACS numbers: 78.47.J-, 63.20.kk, 71.70.Gm, 75.47.Lx
 Abstract: Coherent lattice vibrations are excited and probed with pulses of 10 fs duration in LaMnO3. The measured frequencies correspond to those of Jahn-Teller stretching and of out-of phase rotations of the oxygen octahedra. Surprisingly, the amplitude and damping rate of both modes exhibit a sharp discontinuity at the Néel temperature, highlighting nontrivial coupling between light, lattice, and magnetic structure. We explain this effect by applying the Goodenough-Kanamori rules to the excited state of LaMnO3, and note that charge transfer can invert the sign of the semicovalent exchange interaction, which in turn perturbs the equilibrium bond lengths.

Details

show
hide
Language(s): eng - English
 Dates: 2009-07-122009-03-152009-08-272009-08-28
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.103.097402
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 103 (9) Sequence Number: 097402 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1