CRC/TRR227 Ultrafast Spin Dynamics
Published December 15, 2022 | Version 0.1.0
Dataset Open

Time and momentum resolved characterization of hybrid plasmonic heterostructure Au/WSe2

Creators

  • 1. Fritz-Haber Institut der MPG
  • 2. Uniwersytet im Adama Mickiewicza w Poznaniu
  • 3. Freie Universität Berlin

Description

Dataset attached to paper titled "Observation of Multi-Directional Energy Transfer in a Hybrid Plasmonic-Excitonic Nanostructure" with time and momentum characterization of a 2D palsmonic heterostructure formed by Au nanoislands on bulk WSe2. It contains Angle-resolved photoemission spectroscopy (ARPES) and time-resolved ARPES data (trARPES.zip); femtosecond electron diffraction (FED) data (FED.zip); optical absorption spectroscopy data (Optical_absorbance.zip) and Transmission electron microscopy micrographs (TEM.zip).

For trARPES.zip, the following table reports the grid of measurements and most important parameters:

Name Sample temperature (K)

Pump Wavelength (nm)

 Pump Duration (fs) Material
trARPES_Metis_002.mpes.nxs 300 800 35 Au/WSe2
trARPES_Phoibos_Scan2124.mpes.nxs 300 800 35 WSe2
trARPES_Phoibos_Scan2146.mpes.nxs 70 800 35 WSe2
trARPES_Phoibos_Scan2197.mpes.nxs* 70 800 35 Au/WSe2
trARPES_Phoibos_Scan2198.mpes.nxs* 70 800 35 Au/WSe2
trARPES_Phoibos_Scan2212.mpes.nxs* 300 800 35 Au/WSe2
trARPES_Phoibos_Scan2219.mpes.nxs* 300 800 35 Au/WSe2
trARPES_Phoibos_Scan3159.mpes.nxs 300 1030 200 Au/WSe2
trARPES_Phoibos_Scan3164.mpes.nxs** 300 1030 200 Au/WSe2
trARPES_Phoibos_Scan3185.mpes.nxs 300 1030 200 WSe2

*These scans are acquired with higher angular dispersion requiring separate scans for K and Sigma valleys.

**Fluence scan.

FED.zip contains the following subfolders:

  • Manuscript_Figure: Experimental data and fit parameters depicted in Figure 4 of the main article.
  • Analysis: Additional information for the FED data including: raw data descriptions (delay, power, filename and more), Matlab scripts with comments, masks and backgrounds for image processing. The Static_patterns subfolder contains electron diffraction patterns of pure WSe2 flakes and Au-covered WSe2 flakes.

Optical_absorbance.zip contains the following subfolders & subfiles:

  • without Au & with Au containing all the optical measurements of pristine and Au-covered WSe2 flakes, respectively.
  • comparison_with_and_without_Au.xlsx contains the analysis of the difference curves
  • manuscript_figure.txt contains the data that were used in Figure 1 of the main article.

 

Files

FED.zip

Files (2.3 GB)

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md5:4fcc6aef284f2dee2fb20633ba943971
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Additional details

Related works

Is supplement to
Journal article: 10.1002/adma.202209100 (DOI)
Preprint: 10.48550/arXiv.2211.04615 (DOI)