Optical and Magnetic Properties of PbTe(Ni)

• Authors: N. Romčević , J. Trajić , M. Romčević , D. Stojanović , T. Kuznetsova , D. Khokhlov , W. Dobrowolski , R. Rudolf , I. Anžel
• Languages of publication: EN

Abstracts

EN

Far-infrared and magnetic properties of Ni doped PbTe (Z_Ni = 1× 10^{19} at./cm^{3}) single crystal are investigated in a broad range of temperature and magnetic fields. Far-infrared reflection spectra were analyzed using a fitting procedure based on the modified plasmon-two phonon interaction model. Together with the strong plasmon-two longitudinal optical phonon coupling we obtained a local mode of Ni at about 180 cm^{-1}. This mode intensity depends on temperature. Magnetic measurements shows that PbTe alloys doped with Ni reveals weak ferromagnetic interaction between magnetic ions.

Keywords

EN

63.20.-e; 63.20.Kr; 78.30.-j

Discipline

• 78.30.-j: Infrared and Raman spectra(for vibrational states in crystals and disordered systems, see 63.20.-e and 63.50.-x, respectively; for Raman spectra of superconductors, see 74.25.nd)
• 63.20.-e: Phonons in crystal lattices(for phonons in superconductors, see 74.25.Kc; see also 43.35.Gk Phonons in crystal lattice, quantum acoustics—in Acoustics Appendix)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 115
• Issue: 4
• Pages: 805-807

Dates

published

2009-04

Contributors

author

N. Romčević

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

J. Trajić

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

M. Romčević

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

D. Stojanović

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

T. Kuznetsova

• Moscow State University, 119899 Moscow, Russia

author

D. Khokhlov

• Moscow State University, 119899 Moscow, Russia

author

W. Dobrowolski

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

author

R. Rudolf

• Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia
• Zlatarna Celje d.d., Kersnikova 19, 3000 Celje, Slovenia

author

I. Anžel

• Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia

References

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Identifiers

DOI

10.12693/APhysPolA.115.805