Illinois Data Bank - Dataset

Data for Observation of a Dynamic Magneto-chiral Instability in Photoexcited Tellurium
Cite this dataset:
Huang, Yijing; Mahmood, Fahad (2025): Data for Observation of a Dynamic Magneto-chiral Instability in Photoexcited Tellurium. University of Illinois Urbana-Champaign. https://doi.org/10.13012/B2IDB-1409842_V2
Dataset Description

The data and code provided in this dataset can be used to generate plots that show the results of linear prediction algorithm and the amplified modes, supporting the key argument of the manuscript.
It is divided into five subfolders, each corresponding to one combination of external condition (magnetic field B, temperature), scan parameter (temperature, magnetic field B), pump laser polarization (linear s, linear p, and circular), and sample orientation ( B parallel to c axis, B perpendicular to c axis):
1) B parallel to c axis, linear pump polarization in s, linear THz emission polarization in s, field dependence (B_parallel_c_linear_spump_sprobe_field).
2) B parallel to c axis, linear pump polarization in s, linear THz emission polarization in s, temperature dependence (B_parallel_c_linear_spump_sprobe_temperature).
3) B perpendicular to c axis, linear pump polarization in s, linear THz emission polarization in s, field dependence (B_perp_c_linear_spump_sprobe_field).
4) B perpendicular to c axis, linear pump polarization in s, linear THz emission polarization in s, temperature dependence (B_perp_c_linear_spump_sprobe_temperature).
5) B parallel to c axis, circular pump polarization (left circularly polarized LCP and right circularly polarized RCP), linear THz emission polarization in s, field dependence (B_parallel_c_LCPRCP_pump_sprobe_field).

Each folder contains the raw data (.mat), the oscillator parameters obtained through linear prediction algorithm (.mat), and the plot-generating code (.m). The code plots the raw data, the fit to the processed data, and the amplified modes.
Codes are written in MATLAB R2024a; the working directory of each code should be the corresponding subfolder that contains it.

Subject Physical Sciences
Keywords magneto-chiral instability; THz emission; THz spectroscopy; nonequilibrium states; emergent phenomena; Weyl semiconductor; tellurium; ultrafast spectrscopy; photoexcitation
License CC BY
Funder U.S. Department of Energy (DOE)-Grant:Award No.DE-SC0021238
Corresponding Creator Yijing Huang
Downloaded 25 times
Version DOI Comment Publication Date
2 10.13012/B2IDB-1409842_V2 Changed the figure legend, which was previously a typo in v1. 2025-05-06
1 10.13012/B2IDB-1409842_V1 2025-02-03

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Dataset update: {"publication_state"=>["version candidate under curator review", "released"], "release_date"=>[nil, Tue, 06 May 2025]} 2025-05-06T12:41:43Z
Dataset update: {"hold_state"=>["version candidate under curator review", "none"]} 2025-04-23T14:05:02Z
Dataset update: {"version_comment"=>[nil, "Changed the figure legend, which was previously a typo in v1. "]} 2025-04-23T03:57:30Z
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Funder create: {"name"=>"U.S. Department of Energy (DOE)", "identifier"=>"10.13039/100000015", "identifier_scheme"=>"DOI", "grant"=>"Award No.DE-SC0021238", "dataset_id"=>2944, "code"=>"DOE"} 2025-04-23T03:56:29Z
Creator create: {"family_name"=>"Mahmood", "given_name"=>"Fahad", "identifier"=>"0000-0002-7179-4632", "email"=>"fahad@illinois.edu", "is_contact"=>false, "row_position"=>2} 2025-04-23T03:56:29Z
Creator create: {"family_name"=>"Huang", "given_name"=>"Yijing", "identifier"=>"0000-0002-5453-7722", "email"=>"huangyj@alumni.stanford.edu", "is_contact"=>true, "row_position"=>1} 2025-04-23T03:56:28Z
Dataset update: {"corresponding_creator_name"=>[nil, "Yijing Huang"], "corresponding_creator_email"=>[nil, "huangyj@alumni.stanford.edu"]} 2025-04-23T03:56:28Z