Publication

The growth and characterization of GaInSe2 single crystals

Giorgio Margaritondo, Helmuth Berger
1997
Journal Articles

Abstract

GalnSe(2) single crystals have been grown and characterized by experimental techniques such as high-resolution transmission electron microscopy, x-ray diffraction, x-ray photoelectron spectroscopy and optical and electrical measurements. The samples were prepared in single-crystal form from a melt. The structural analysis indicates that GalnSe(2) has a hexagonal structure, and confirms the high quality of the produced single crystals. Quantitative information on electrical and optical properties of single-crystalline GalnSe(2) was obtained by investigating the resistivity and photoluminescence as a function of the temperature and excitation intensity.

Official source

https://infoscience.epfl.ch/entities/publication/20b6f74a-6571-48f0-9285-5bc3530fc772

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Giorgio Margaritondo, Helmuth Berger
1997
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/20b6f74a-6571-48f0-9285-5bc3530fc772

About this result

Related concepts (32)

Crystal

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions. In addition, macroscopic single crystals are usually identifiable by their geometrical shape, consisting of flat faces with specific, characteristic orientations. The scientific study of crystals and crystal formation is known as crystallography.

Crystal structure

In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from the intrinsic nature of the constituent particles to form symmetric patterns that repeat along the principal directions of three-dimensional space in matter. The smallest group of particles in the material that constitutes this repeating pattern is the unit cell of the structure.

Single crystal

In materials science, a single crystal (or single-crystal solid or monocrystalline solid) is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries. The absence of the defects associated with grain boundaries can give monocrystals unique properties, particularly mechanical, optical and electrical, which can also be anisotropic, depending on the type of crystallographic structure.

Related publications (32)

The growth and characterization of GaInSe2 single crystals

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