Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations
- Publikationstyp:
- Zeitschriftenaufsatz
- Metadaten:
-
- Autoren
- KW Kim
- A Pashkin
- H Schaefer
- M Beyer
- M Porer
- T Wolf
- C Bernhard
- J Demsar
- R Huber
- A Leitenstorfer
- Autoren-URL
- https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000304320300014&DestLinkType=FullRecord&DestApp=WOS_CPL
- DOI
- 10.1038/NMAT3294
- eISSN
- 1476-4660
- Externe Identifier
- Clarivate Analytics Document Solution ID: 946AO
- PubMed Identifier: 22484832
- ISSN
- 1476-1122
- Ausgabe der Veröffentlichung
- 6
- Zeitschrift
- NATURE MATERIALS
- Paginierung
- 497 - 501
- Datum der Veröffentlichung
- 2012
- Status
- Published
- Titel
- Ultrafast transient generation of spin-density-wave order in the normal state of BaFe<sub>2</sub>As<sub>2</sub> driven by coherent lattice vibrations
- Sub types
- Article
- Ausgabe der Zeitschrift
- 11
Datenquelle: Web of Science (Lite)
- Andere Metadatenquellen:
-
- Autoren
- KW Kim
- A Pashkin
- H Schäfer
- M Beyer
- M Porer
- T Wolf
- C Bernhard
- J Demsar
- R Huber
- A Leitenstorfer
- DOI
- 10.1038/nmat3294
- eISSN
- 1476-4660
- ISSN
- 1476-1122
- Ausgabe der Veröffentlichung
- 6
- Zeitschrift
- Nature Materials
- Sprache
- en
- Online publication date
- 2012
- Paginierung
- 497 - 501
- Datum der Veröffentlichung
- 2012
- Status
- Published
- Herausgeber
- Springer Science and Business Media LLC
- Herausgeber URL
- http://dx.doi.org/10.1038/nmat3294
- Datum der Datenerfassung
- 2022
- Titel
- Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations
- Ausgabe der Zeitschrift
- 11
Datenquelle: Crossref
- Abstract
- The interplay among charge, spin and lattice degrees of freedom in solids gives rise to intriguing macroscopic quantum phenomena such as colossal magnetoresistance, multiferroicity and high-temperature superconductivity. Strong coupling or competition between various orders in these systems presents the key to manipulate their functional properties by means of external perturbations such as electric and magnetic fields or pressure. Ultrashort and intense optical pulses have emerged as an interesting tool to investigate elementary dynamics and control material properties by melting an existing order. Here, we employ few-cycle multi-terahertz pulses to resonantly probe the evolution of the spin-density-wave (SDW) gap of the pnictide compound BaFe(2)As(2) following excitation with a femtosecond optical pulse. When starting in the low-temperature ground state, optical excitation results in a melting of the SDW order, followed by ultrafast recovery. In contrast, the SDW gap is induced when we excite the normal state above the transition temperature. Very surprisingly, the transient ordering quasi-adiabatically follows a coherent lattice oscillation at a frequency as high as 5.5 THz. Our results attest to a pronounced spin-phonon coupling in pnictides that supports rapid development of a macroscopic order on small vibrational displacement even without breaking the symmetry of the crystal.
- Autoren
- KW Kim
- A Pashkin
- H Schäfer
- M Beyer
- M Porer
- T Wolf
- C Bernhard
- J Demsar
- R Huber
- A Leitenstorfer
- DOI
- 10.1038/nmat3294
- eISSN
- 1476-4660
- Externe Identifier
- PubMed Identifier: 22484832
- Open access
- false
- ISSN
- 1476-1122
- Ausgabe der Veröffentlichung
- 6
- Zeitschrift
- Nature materials
- Sprache
- eng
- Medium
- Electronic
- Online publication date
- 2012
- Paginierung
- 497 - 501
- Datum der Veröffentlichung
- 2012
- Status
- Published
- Datum der Datenerfassung
- 2012
- Titel
- Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations.
- Sub types
- Letter
- Ausgabe der Zeitschrift
- 11
Datenquelle: Europe PubMed Central
- Abstract
- The interplay among charge, spin and lattice degrees of freedom in solids gives rise to intriguing macroscopic quantum phenomena such as colossal magnetoresistance, multiferroicity and high-temperature superconductivity. Strong coupling or competition between various orders in these systems presents the key to manipulate their functional properties by means of external perturbations such as electric and magnetic fields or pressure. Ultrashort and intense optical pulses have emerged as an interesting tool to investigate elementary dynamics and control material properties by melting an existing order. Here, we employ few-cycle multi-terahertz pulses to resonantly probe the evolution of the spin-density-wave (SDW) gap of the pnictide compound BaFe(2)As(2) following excitation with a femtosecond optical pulse. When starting in the low-temperature ground state, optical excitation results in a melting of the SDW order, followed by ultrafast recovery. In contrast, the SDW gap is induced when we excite the normal state above the transition temperature. Very surprisingly, the transient ordering quasi-adiabatically follows a coherent lattice oscillation at a frequency as high as 5.5 THz. Our results attest to a pronounced spin-phonon coupling in pnictides that supports rapid development of a macroscopic order on small vibrational displacement even without breaking the symmetry of the crystal.
- Date of acceptance
- 2012
- Autoren
- KW Kim
- A Pashkin
- H Schäfer
- M Beyer
- M Porer
- T Wolf
- C Bernhard
- J Demsar
- R Huber
- A Leitenstorfer
- Autoren-URL
- https://www.ncbi.nlm.nih.gov/pubmed/22484832
- DOI
- 10.1038/nmat3294
- eISSN
- 1476-4660
- Ausgabe der Veröffentlichung
- 6
- Zeitschrift
- Nat Mater
- Sprache
- eng
- Country
- England
- Paginierung
- 497 - 501
- PII
- nmat3294
- Datum der Veröffentlichung
- 2012
- Status
- Published online
- Datum, an dem der Datensatz öffentlich gemacht wurde
- 2012
- Titel
- Ultrafast transient generation of spin-density-wave order in the normal state of BaFe2As2 driven by coherent lattice vibrations.
- Sub types
- Letter
- Ausgabe der Zeitschrift
- 11
Datenquelle: PubMed
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- Eigentum von