Substitutional Sulfur in CdSe: Localized Vibrational Modes,Physica Status Solidi (B) - Basic Solid State Physics

当前位置： X-MOL 学术 › Phys. Status Solidi B › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Substitutional Sulfur in CdSe: Localized Vibrational Modes
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2020-05-15 , DOI: 10.1002/pssb.202000204
Frank Herklotz ₁ , Eduard V. Lavrov ₁ , Vladlen V. Melnikov ₂

Affiliation

The substitutional sulfur at the selen site in wurtzite CdSe is identified by a combination of infrared absorption spectroscopy and first principles calculations. The dominant

{}^{32}S

isotope gives rise to two local vibrational modes at 270.6 and 271.4 cm⁻¹ (10 K) assigned to the nondegenerate

A_{1}

and the twofold degenerate E representations of the

C_{3 v}

point group. The corresponding signals of the

{}^{34}S

isotope occur at 263.6 and 264.4 cm⁻¹. The results of measurements performed on a set of samples supplied by different manufacturers highlight that sulfur is an ubiquitous impurity in CdSe unintentionally incorporated into the crystals during the process of growth.

中文翻译：