Surface chemscal states of Cu2HgGeSe4 studied by X-ray photoelectron spectroscopy

Version 1.1
Surface chemscal states of Cu2HgGeSe4 studied by X-ray photoelectron spectroscopy
Tkach, Vira; O.Y. Khyzhun; N.M. Denysyuk; Luzhnyi Ivan Vasyliovych; Kopylova Kateryna Ihorivna, 2026, "Surface chemscal states of Cu2HgGeSe4 studied by X-ray photoelectron spectroscopy", https://doi.org/10.48788/DVUA/DGS7UW, DataverseUA, V1
Learn about Data Citation Standards.
Contact Owner Share
Dataset Metrics
3 Downloads
Description
The electronic structure and surface chemical states of a Cu2HgGeSe4 single crystal, grown by the Bridgman–Stockbarger method, were investigated using X-ray photoelectron spectroscopy (XPS) for pristine and Ar+ ion-irradiated surfaces. High-resolution core-level XPS spectra (Cu 2p, Hg 4f, Ge 3d, Se 3d, Se 3p) and valence-band spectra were recorded before and after Ar+ ion sputtering to evaluate the core-level binding energies, chemical state preservation, and structural stability of the Cu2HgGeSe4 surface under ion-beam treatment. (2020-08-01)
Subject Chemistry; Engineering; Physics
Keyword Semiconductors, X-ray photoelectronic spectra, Electronic structure
Related Publication B.V. Gabrelian, A.A. Lavrentyev, Tuan V. Vu, V.A. Tkach, O.V. Marchuk, K.F. Kalmykova, L.N. Ananchenko, O.V. Parasyuk, O.Y. Khyzhun, Quaternary Cu2HgGeSe4 selenide: Its electronic and optical properties as elucidated from TB-mBJ band-structure calculations and XPS and XES measurements, Chemical Physics, Volume 536, 2020, 110821, ISSN 0301-0104, https://doi.org/10.1016/j.chemphys.2020.110821. (https://www.sciencedirect.com/science/article/pii/S0301010420300021) doi: 10.1016/j.chemphys.2020.110821
Notes **In-situ Surface Preparation & Ion Etching Regimes:** * Preparation Mode: In-situ ion-beam cleaning with Ar+ ions (Ex-situ: No) * Ion Gun Voltage (V): 3 kV * Etching Current (I): 17 uA * Etching Time (t): 5 min * Etching Pressure (P): 8x10^-6 mbar * Etching Angle (theta): 55 deg **XPS Measurement & Spectrometer Parameters:** * System/Analyzer: UHV-Analysis-System SPECS (Germany), Hemispherical Analyzer PHOIBOS 150 * Excitation Source: Mg K-alpha radiation * Characteristic Energy: 1253.6 eV * Anode Voltage: 10 kV * Emission Current: 100 mA * Source Power: 100 W * Analysis Chamber Pressure: 4x10^-10 mbar * Pass Energy: 30 eV * Energy Range (Binding Energy): 1000 eV to -10 eV * Step Size: 0.1 eV/step * Dwell Time: 0.1 s * Geometry: Source Angle: 45 deg; Source-to-sample plane angle: 55 deg; Analyzer axis take-off polar angle: 90 deg (normal emission relative to sample surface)
License/Data Use Agreement

CC BY 4.0

Table
Tree
Filter by
1 to 10 of 19 Files
ReadMe_En_Cu2HgGeSe4.txt
Plain Text - 7.8 KB
Published Aug 19, 2026
0 Downloads
MD5: 0e4a8b091bf00d2f39459d78194e8cbc
ReadMe
Cu2HgGeSe4_ Hg_4f.jpg
Cu2HgGeSe4_ Hg_4f.jpg
image/JPEG Image - 742.8 KB
Published Aug 19, 2026
0 Downloads
MD5: 35a04331d287983be959a74b77be7a5a
spectral data for Hg 4f electrons (raw surface)
Cu2HgGeSe4_ surv.jpg
Cu2HgGeSe4_ surv.jpg
image/JPEG Image - 1.0 MB
Published Aug 19, 2026
0 Downloads
MD5: ec23a18f37f3b418838522849c284f95
survey XPS-graph
Cu2HgGeSe4_ VB.jpg
Cu2HgGeSe4_ VB.jpg
image/JPEG Image - 620.1 KB
Published Aug 19, 2026
0 Downloads
MD5: cdefb5192cf607fe0ff0f6d1f09db7b7
valence band spectres (raw surface)
Cu2HgGeSe4_Cu_2p.jpg
Cu2HgGeSe4_Cu_2p.jpg
image/JPEG Image - 636.8 KB
Published Aug 19, 2026
0 Downloads
MD5: 31b36c01147bc36e5ce9bdc42b44946c
spectre of Cu 2p level
Cu2HgGeSe4_C_1s.jpg
Cu2HgGeSe4_C_1s.jpg
image/JPEG Image - 735.9 KB
Published Aug 19, 2026
0 Downloads
MD5: 39caa1f8cc2a28c1dddba12b7470e774
spectre of C 1s level
Cu2HgGeSe4_Ge_3d.jpg
Cu2HgGeSe4_Ge_3d.jpg
image/JPEG Image - 614.9 KB
Published Aug 19, 2026
0 Downloads
MD5: 1a5426b30b3879e0e0370a3234b77f7b
spectre of Ge 3d level
Cu2HgGeSe4_Hg_4d.jpg
Cu2HgGeSe4_Hg_4d.jpg
image/JPEG Image - 761.8 KB
Published Aug 19, 2026
1 Download
MD5: c802dc27dc63b66037e882f093d186c7
spectre of Hg 4d level
Cu2HgGeSe4_Se_3d.jpg
Cu2HgGeSe4_Se_3d.jpg
image/JPEG Image - 632.8 KB
Published Aug 19, 2026
0 Downloads
MD5: 86f4c6922d736c42cda8e27f1275d7b9
spectre of Se 3d level
Cu2HgGeSe4_Se_3p.jpg
Cu2HgGeSe4_Se_3p.jpg
image/JPEG Image - 715.0 KB
Published Aug 19, 2026
0 Downloads
MD5: d98b140a3ca138e907974a554da315d0
spectre of Se 3p level
Edit File

This file has already been deleted (or replaced) in the current version. It may not be edited.

Restrict Access

Restricting limits access to published files. People who want to use the restricted files can request access by default. If you disable request access, you must add information about access to the Terms of Access field.

Learn about restricting files and dataset access in the User Guide.

Enable access request
You must enable request access or add terms of access to restrict file access.
Save Changes
Edit Embargo

The selected file or files have already been published. Contact an administrator to change the embargo date or reason of the file or files.
Delete Files

The file will be deleted after you click on the Delete button.

Files will not be removed from previously published versions of the dataset.

Select File(s)

Please select one or more files.

Share Dataset

Share this dataset on your favorite social media networks.

Continue
Dataset Citations

Citations for this dataset are retrieved from Crossref via DataCite using Make Data Count standards. For more information about dataset metrics, please refer to the User Guide.

Sorry, no citations were found.
Restricted Files Selected

The selected file(s) may not be downloaded because you have not been granted access.

You may request access to the restricted file(s) by clicking the Request Access button.

Download Options

The files selected are too large to download as a ZIP.

You can select individual files that are below the 100.0 MB download limit from the files table, or use the Data Access API for programmatic access to the files.

Select File(s)

Please select a file or files to be downloaded.

Restricted Files Selected

The restricted file(s) selected may not be downloaded because you have not been granted access.

Click Continue to download the files you have access to download.

Ineligible Files Selected

Some file(s) cannot be transferred. (They are restricted, embargoed, or not Globus accessible.)

Click Continue to transfer the elligible files.

Delete Dataset

Are you sure you want to delete this dataset and all of its files? You cannot undelete this dataset.

Delete Draft Version

Are you sure you want to delete this draft version? Files will be reverted to the most recently published version. You cannot undelete this draft.

Unpublished Dataset Private URL

Private URL can only be used with unpublished versions of datasets.

Unpublished Dataset Private URL

Are you sure you want to disable the Private URL? If you have shared the Private URL with others they will no longer be able to use it to access your unpublished dataset.

Delete Files

The file(s) will be deleted after you click on the Delete button.

Files will not be removed from previously published versions of the dataset.

Compute

This dataset contains restricted files you may not compute on because you have not been granted access.

Deaccession Dataset

Are you sure you want to deaccession? The selected version(s) will no longer be viewable by the public.

Deaccession Dataset

Are you sure you want to deaccession this dataset? It will no longer be viewable by the public.

Version Differences Details

Please select two versions to view the differences.

Version Differences Details
 
Version:
Last Updated:
Version:
Last Updated:
Select File(s)

Please select a file or files for access request.

Select File(s)

Embargoed files cannot be accessed. Please select an unembargoed file or files for your access request.

Edit Tags

Select existing file tags or create new tags to describe your files. Each file can have more than one tag.

Request Access

  You need to Sign Up or Log In to request access.

Dataset Terms

Please confirm and/or complete the information needed below in order to request access to files in this dataset.

This dataset is made available under the following terms. Please confirm and/or complete the information needed below in order to continue.

Our Community Norms as well as good scientific practices expect that proper credit is given via citation. Please use the data citation shown on the dataset page.

CC BY 4.0

Preview Guestbook

Upon downloading files the guestbook asks for the following information.

Account Information

Package File Download

Use the Download URL in a Wget command or a download manager to download this package file. Download via web browser is not recommended. User Guide - Downloading a Dataverse Package via URL

https://opendata.nas.gov.ua/api/access/datafile/

Compute Batch
Clear Batch
Dataset Persistent Identifier Change Compute Batch
Compute Batch
Submit for Review

You will not be able to make changes to this dataset while it is in review.

Publish Dataset

Are you sure you want to republish this dataset?

Select if this is a minor or major version update.

Publish Dataset

This dataset cannot be published until Frantsevich Institute for Problems of Materials Science of NAS of Ukraine is published by its administrator.

Publish Dataset

This dataset cannot be published until Frantsevich Institute for Problems of Materials Science of NAS of Ukraine and DataverseUA are published.

Return to Author

Return this dataset to contributor for modification.