Making exciton physics easy and affordable

被引：0

作者：

Xie, Yong ^{[1
,2
]}

Ersu, Gulsum ^{[2
]}

Pucher, Thomas ^{[2
]}

Kuriakose, Sruthi ^{[2
]}

Zhang, Wenliang ^{[2
,3
]}

Al-Enizi, Abdullah M. ^{[4
]}

Albrithen, Hamad A. H. ^{[5
]}

Nafady, Ayman ^{[4
]}

Bratschitsch, Rudolf ^{[6
,7
]}

Island, Joshua O. ^{[8
]}

Castellanos-Gomez, Andres ^{[2
]}

机构：

[1] Xidian Univ, Sch Adv Mat & Nanotechnol, Xian 710071, Peoples R China

[2] CSIC, Inst Ciencia Mat Madrid ICMM, 2D Foundry, E-28049 Madrid, Spain

[3] Shaanxi Univ Sci & Technol, Coll Bioresources Chem & Mat Engn, Xian 710026, Peoples R China

[4] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia

[5] King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia

[6] Univ Munster, Inst Phys, D-48149 Munster, Germany

[7] Univ Munster, Ctr Nanotechnol, D-48149 Munster, Germany

[8] Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA

来源：

EUROPEAN JOURNAL OF PHYSICS | 2023年 / 44卷 / 05期

基金：

欧洲研究理事会;

关键词：

excitons; transition metal dichalcogenides; van der Waals materials; optical spectroscopy; teaching experiment;

D O I：

10.1088/1361-6404/ace748

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

We present a facile and low-cost undergraduate laboratory experiment to study exciton physics. Using a simple abrasion technique to create samples of thin-film van der Waals material samples and a low-cost spectrometer, we show that prominent excitonic features can be easily resolved in the optical transmission spectra of semiconducting transition metal dichalcogenides at ambient conditions. Our method brings interesting semiconductor quasiparticle physics to low-budget departments, hoping to expand their undergraduate laboratory curriculum.

引用

页数：9

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