Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
- Publication type:
- Journal article
- Metadata:
-
- Autoren
- D Kutnyakhov
- RP Xian
- M Dendzik
- M Heber
- F Pressacco
- SY Agustsson
- L Wenthaus
- H Meyer
- S Gieschen
- G Mercurio
- A Benz
- K Buehlman
- S Daester
- R Gort
- D Curcio
- K Volckaert
- M Bianchi
- Ch Sanders
- JA Miwa
- S Ulstrup
- A Oelsner
- C Tusche
- Y-J Chen
- D Vasilyev
- K Medjanik
- G Brenner
- S Dziarzhytski
- H Redlin
- B Manschwetus
- S Dong
- J Hauer
- L Rettig
- F Diekmann
- K Rossnagel
- J Demsar
- H-J Elmers
- Ph Hofmann
- R Ernstorfer
- G Schoenhense
- Y Acremann
- W Wurth
- Autoren-URL
- https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000515508800001&DestLinkType=FullRecord&DestApp=WOS_CPL
- DOI
- 10.1063/1.5118777
- eISSN
- 1089-7623
- Externe Identifier
- Clarivate Analytics Document Solution ID: KO4HB
- PubMed Identifier: 32012554
- ISSN
- 0034-6748
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- REVIEW OF SCIENTIFIC INSTRUMENTS
- Artikelnummer
- ARTN 013109
- Datum der Veröffentlichung
- 2020
- Status
- Published
- Titel
- Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
- Sub types
- Article
- Ausgabe der Zeitschrift
- 91
Data source: Web of Science (Lite)
- Other metadata sources:
-
- Abstract
- <jats:p>Time-resolved photoemission with ultrafast pump and probe pulses is an emerging technique with wide application potential. Real-time recording of nonequilibrium electronic processes, transient states in chemical reactions, or the interplay of electronic and structural dynamics offers fascinating opportunities for future research. Combining valence-band and core-level spectroscopy with photoelectron diffraction for electronic, chemical, and structural analyses requires few 10 fs soft X-ray pulses with some 10 meV spectral resolution, which are currently available at high repetition rate free-electron lasers. We have constructed and optimized a versatile setup commissioned at FLASH/PG2 that combines free-electron laser capabilities together with a multidimensional recording scheme for photoemission studies. We use a full-field imaging momentum microscope with time-of-flight energy recording as the detector for mapping of 3D band structures in (kx, ky, E) parameter space with unprecedented efficiency. Our instrument can image full surface Brillouin zones with up to 7 Å−1 diameter in a binding-energy range of several eV, resolving about 2.5 × 105 data voxels simultaneously. Using the ultrafast excited state dynamics in the van der Waals semiconductor WSe2 measured at photon energies of 36.5 eV and 109.5 eV, we demonstrate an experimental energy resolution of 130 meV, a momentum resolution of 0.06 Å−1, and a system response function of 150 fs.</jats:p>
- Autoren
- D Kutnyakhov
- RP Xian
- M Dendzik
- M Heber
- F Pressacco
- SY Agustsson
- L Wenthaus
- H Meyer
- S Gieschen
- G Mercurio
- A Benz
- K Bühlman
- S Däster
- R Gort
- D Curcio
- K Volckaert
- M Bianchi
- Ch Sanders
- JA Miwa
- S Ulstrup
- A Oelsner
- C Tusche
- Y-J Chen
- D Vasilyev
- K Medjanik
- G Brenner
- S Dziarzhytski
- H Redlin
- B Manschwetus
- S Dong
- J Hauer
- L Rettig
- F Diekmann
- K Rossnagel
- J Demsar
- H-J Elmers
- Ph Hofmann
- R Ernstorfer
- G Schönhense
- Y Acremann
- W Wurth
- DOI
- 10.1063/1.5118777
- eISSN
- 1089-7623
- ISSN
- 0034-6748
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- Review of Scientific Instruments
- Sprache
- en
- Online publication date
- 2020
- Datum der Veröffentlichung
- 2020
- Status
- Published
- Herausgeber
- AIP Publishing
- Herausgeber URL
- http://dx.doi.org/10.1063/1.5118777
- Datum der Datenerfassung
- 2024
- Titel
- Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
- Ausgabe der Zeitschrift
- 91
Data source: Crossref
- Abstract
- Time-resolved photoemission with ultrafast pump and probe pulses is an emerging technique with wide application potential. Real-time recording of nonequilibrium electronic processes, transient states in chemical reactions, or the interplay of electronic and structural dynamics offers fascinating opportunities for future research. Combining valence-band and core-level spectroscopy with photoelectron diffraction for electronic, chemical, and structural analyses requires few 10 fs soft X-ray pulses with some 10 meV spectral resolution, which are currently available at high repetition rate free-electron lasers. We have constructed and optimized a versatile setup commissioned at FLASH/PG2 that combines free-electron laser capabilities together with a multidimensional recording scheme for photoemission studies. We use a full-field imaging momentum microscope with time-of-flight energy recording as the detector for mapping of 3D band structures in (k<sub>x</sub>, k<sub>y</sub>, E) parameter space with unprecedented efficiency. Our instrument can image full surface Brillouin zones with up to 7 Å<sup>-1</sup> diameter in a binding-energy range of several eV, resolving about 2.5 × 10<sup>5</sup> data voxels simultaneously. Using the ultrafast excited state dynamics in the van der Waals semiconductor WSe<sub>2</sub> measured at photon energies of 36.5 eV and 109.5 eV, we demonstrate an experimental energy resolution of 130 meV, a momentum resolution of 0.06 Å<sup>-1</sup>, and a system response function of 150 fs.
- Addresses
- Deutsches Elektronen-Synchrotron DESY, 22607 Hamburg, Germany.
- Autoren
- D Kutnyakhov
- RP Xian
- M Dendzik
- M Heber
- F Pressacco
- SY Agustsson
- L Wenthaus
- H Meyer
- S Gieschen
- G Mercurio
- A Benz
- K Bühlman
- S Däster
- R Gort
- D Curcio
- K Volckaert
- M Bianchi
- Ch Sanders
- JA Miwa
- S Ulstrup
- A Oelsner
- C Tusche
- Y-J Chen
- D Vasilyev
- K Medjanik
- G Brenner
- S Dziarzhytski
- H Redlin
- B Manschwetus
- S Dong
- J Hauer
- L Rettig
- F Diekmann
- K Rossnagel
- J Demsar
- H-J Elmers
- Ph Hofmann
- R Ernstorfer
- G Schönhense
- Y Acremann
- W Wurth
- DOI
- 10.1063/1.5118777
- eISSN
- 1089-7623
- Externe Identifier
- PubMed Identifier: 32012554
- Funding acknowledgements
- Villum Fonden: 11744
- Villum Fonden: 05K16PGB
- Villum Fonden: DFF-4002-00029
- Villum Fonden: EXC 1074
- Bundesministerium für Bildung und Forschung:
- Deutsche Forschungsgemeinschaft:
- European Research Council:
- Villum Fonden: DFF-6108-00409
- Danish Council for Independent Research, Natural Sciences:
- Villum Fonden: ERC-2015-CoG-682843
- Villum Fonden: RE1469/13-1
- Villum Fonden: 00011744
- Villum Fonden: 05K13GU3
- Villum Fonden: 05K16UM1
- Villum Fonden: RE 3977/1
- Villum Fonden: TRR 227/A09
- Villum Fonden: 15375
- Villum Fonden: 00015375
- Villum Fonden: B07
- Villum Fonden: SFB/TRR 173 Spin+X
- Villum Fonden: SFB925/B2
- Open access
- false
- ISSN
- 0034-6748
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- The Review of scientific instruments
- Sprache
- eng
- Medium
- Paginierung
- 013109
- Datum der Veröffentlichung
- 2020
- Status
- Published
- Datum der Datenerfassung
- 2020
- Titel
- Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser.
- Sub types
- Journal Article
- Ausgabe der Zeitschrift
- 91
Data source: Europe PubMed Central
- Abstract
- Time-resolved photoemission with ultrafast pump and probe pulses is an emerging technique with wide application potential. Real-time recording of nonequilibrium electronic processes, transient states in chemical reactions, or the interplay of electronic and structural dynamics offers fascinating opportunities for future research. Combining valence-band and core-level spectroscopy with photoelectron diffraction for electronic, chemical, and structural analyses requires few 10 fs soft X-ray pulses with some 10 meV spectral resolution, which are currently available at high repetition rate free-electron lasers. We have constructed and optimized a versatile setup commissioned at FLASH/PG2 that combines free-electron laser capabilities together with a multidimensional recording scheme for photoemission studies. We use a full-field imaging momentum microscope with time-of-flight energy recording as the detector for mapping of 3D band structures in (kx, ky, E) parameter space with unprecedented efficiency. Our instrument can image full surface Brillouin zones with up to 7 Å-1 diameter in a binding-energy range of several eV, resolving about 2.5 × 105 data voxels simultaneously. Using the ultrafast excited state dynamics in the van der Waals semiconductor WSe2 measured at photon energies of 36.5 eV and 109.5 eV, we demonstrate an experimental energy resolution of 130 meV, a momentum resolution of 0.06 Å-1, and a system response function of 150 fs.
- Autoren
- D Kutnyakhov
- RP Xian
- M Dendzik
- M Heber
- F Pressacco
- SY Agustsson
- L Wenthaus
- H Meyer
- S Gieschen
- G Mercurio
- A Benz
- K Bühlman
- S Däster
- R Gort
- D Curcio
- K Volckaert
- M Bianchi
- Ch Sanders
- JA Miwa
- S Ulstrup
- A Oelsner
- C Tusche
- Y-J Chen
- D Vasilyev
- K Medjanik
- G Brenner
- S Dziarzhytski
- H Redlin
- B Manschwetus
- S Dong
- J Hauer
- L Rettig
- F Diekmann
- K Rossnagel
- J Demsar
- H-J Elmers
- Ph Hofmann
- R Ernstorfer
- G Schönhense
- Y Acremann
- W Wurth
- Autoren-URL
- https://www.ncbi.nlm.nih.gov/pubmed/32012554
- DOI
- 10.1063/1.5118777
- eISSN
- 1089-7623
- Ausgabe der Veröffentlichung
- 1
- Zeitschrift
- Rev Sci Instrum
- Sprache
- eng
- Country
- United States
- Paginierung
- 013109
- Datum der Veröffentlichung
- 2020
- Status
- Published
- Titel
- Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser.
- Sub types
- Journal Article
- Ausgabe der Zeitschrift
- 91
Data source: PubMed
- Beziehungen:
- Property of