Band Gap Energies and Lattice Vibrations of the Lithium Ternary Compounds LiInSe2, LiInS2, LiGaSe2 and LiGaS2

被引：48

作者：

Eifler, Andreas ^{[1
]}

Riede, Volker ^{[1
]}

Brueckner, Jaqueline ^{[2
]}

Weise, Sylvia ^{[2
]}

Kraemer, Volker ^{[2
]}

Lippold, Gerd ^{[1
]}

Schmitz, Werner ^{[3
]}

Bente, Klaus ^{[3
]}

Grill, Wolfgang ^{[1
]}

机构：

[1] Univ Leipzig, Inst Expt Phys 2, D-04103 Leipzig, Germany

[2] Univ Freiburg, Freiburger Mat Forschungszentrum, D-79104 Freiburg, Germany

[3] Univ Leipzig, Inst Mineral Kristallog & Mat Wissensch, D-04275 Leipzig, Germany

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2000年 / 39卷 / 01期

关键词：

lithium compound; band gap; birefringence; infrared spectroscopy; Raman spectroscopy;

D O I：

10.7567/JJAPS.39S1.279

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The band gap energies E-G of the lithium compounds have been measured by transmittance and reflectivity measurements as well as measurements of the diffuse reflectivity. At room temperature E-G=2.83 eV (LiInSe2), E-G=3.56 eV (LiInS2), E-G=3.13 eV (LiGaSe2) and E-G=3.62 eV (LiGaS2) have been obtained presupposing a direct interband transition. In a first attempt the birefringence of LiInS2 was studied by transmittance measurements. Using infrared and Raman spectroscopy the lattice vibrational properties have been investigated.

引用

页码：279 / 281

页数：3

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