Ferromagnetic Resonance in CdTe:Cr Single Crystals Containing Dopant-Related Macrodefects

• Authors: V.D. Popovych , M. Kuzma , N. Skop , I. Stefaniuk , B. Cieniek
• Languages of publication: EN

Abstracts

EN

We study CdTe:Cr single crystals grown by the physical vapor transport method from pre-synthesized (Cd,Cr)Te alloys with 5 at.% of chromium nominal content. Macrodefects in the form of (111)-oriented thin platelets of dopant-related second phases were detected by scanning electron microscopy patterning of the chemically treated surfaces of the crystals. Magnetic properties of the crystals were investigated by ferromagnetic resonance using X-band Bruker spectrometer (9.43 GHz). Their ferromagnetic resonance spectra show several broad lines, which position depends on the orientation of the sample in relation to the external magnetic field in spectrometer. The angular dependences of ferromagnetic resonance spectra are interpreted in the frame of shape anisotropy of ferromagnetic resonance of the planar defects embedded in a weak magnetic CdTe matrix.

Keywords

EN

61.72.-y; 68.37.Hk; 76.50.+g

Discipline

• 76.50.+g: Ferromagnetic, antiferromagnetic, and ferrimagnetic resonances; spin-wave resonance(see also 75.30.Ds Spin waves)
• 61.72.-y: Defects and impurities in crystals; microstructure(for radiation induced defects, see 61.80.-x; for defects in surfaces, interfaces, and thin films, see 68.35.Dv and 68.55.Ln; see also 85.40.Ry Impurity doping, diffusion, and ion implantation technology; for effects of crystal defects and doping on superconducting transition temperature, see 74.62.Dh)
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)

• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 1
• Pages: 34-38

Dates

published

2017-07

Contributors

author

V.D. Popovych

• Department of Machine Science and Fundamental Technologies, Drogobych State Pedagogical University, 24 Ivan Franko str., 82100 Drogobych, Ukraine

author

M. Kuzma

• Faculty of Mathematics and Natural Sciences, Department of Biophysics, University of Rzeszów, S. Pigonia 1, 35-959 Rzeszów, Poland

author

N. Skop

• Faculty of Mathematics and Natural Sciences, Department of Biophysics, University of Rzeszów, S. Pigonia 1, 35-959 Rzeszów, Poland

author

I. Stefaniuk

• Faculty of Mathematics and Natural Sciences, Department of Experimental Physics, University of Rzeszów, S. Pigonia 1, 35-959 Rzeszów, Poland

author

B. Cieniek

• Faculty of Mathematics and Natural Sciences, Department of Experimental Physics, University of Rzeszów, S. Pigonia 1, 35-959 Rzeszów, Poland

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Identifiers

DOI

10.12693/APhysPolA.132.34