Photoacoustic Investigation of Absorption Edge of Cd_{1-x}Mg_{x}Se Mixed Crystals

• Authors: F. Firszt , S. Łęgowski , H. Męczyńska , B. Sekulska , J. Szatkowski , J. Zakrzewski , W. Paszkowicz
• Languages of publication: EN

Abstracts

EN

The Cd_{1-x}Mg_{x}Se crystals were grown by modified Bridgman method for x ranging from 0 to 0.44. The photoacoustic spectroscopy was employed for evaluation of the band gaps of series Cd_{1-x}Mg_{x}Se mixed crystals with different composition. The photoacoustic spectra were measured at 300 K and 90 K using continuous wave excitation in the range from 400 nm to 800 nm. The increase in the band-gap energy with increasing Mg content is observed. The photoacoustic results are compared with photoluminescence and transmission spectra.

Keywords

EN

62.65.+k; 78.20.Hp; 78.55.Et

Discipline

• 78.55.Et: II-VI semiconductors
• 62.65.+k: Acoustical properties of solids

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1997
• Volume: 92
• Issue: 4
• Pages: 749-752

Dates

published

1997-10

Contributors

author

F. Firszt

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

S. Łęgowski

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

H. Męczyńska

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

B. Sekulska

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

J. Szatkowski

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

J. Zakrzewski

• Institute of Physics, N. Copernicus University, Grudziadzka 5/7, 87-100 Toruń, Poland

author

W. Paszkowicz

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland

Identifiers

DOI

10.12693/APhysPolA.92.749