Electromagnetic Waves Generation in Ni_{2.14}Mn_{0.81}GaFe_{0.05} Heusler Alloy at Structural Phase Transition

• Authors: I. Bychkov , D. Kuzmin , D. Kalenov , A. Kamantsev , V. Koledov , D. Kuchin , V. Shavrov
• Languages of publication: EN

Abstracts

EN

Electromagnetic waves generated by the Heusler alloy Ni_{2.14}Mn_{0.81}GaFe_{0.05} at structural phase transition was detected in the frequency range of 28-32 GHz. Influence of the kinetics of phase transitions on the nature of the sample millimeter radiation was studied as well. It has been observed that the contribution of the intrinsic radiation increases with increasing of the heating/cooling rate. The possible mechanisms and theory of such effect is discussed. It is shown that the maximum radiation intensity should be emitted in direction perpendicular to the movement of interphase boundary.

Keywords

EN

64.60.-i; 75.50.Cc

Discipline

• 64.60.-i: General studies of phase transitions(see also 63.70.+h Statistical mechanics of lattice vibrations and displacive phase transitions; for critical phenomena in solid surfaces and interfaces, and in magnetism, see 68.35.Rh, and 75.40.-s, respectively)
• 75.50.Cc: Other ferromagnetic metals and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 2
• Pages: 588-590

Dates

published

2015-02

Contributors

author

I. Bychkov

• Chelyabinsk State University, Br. Kashirinykh 129, 454001 Chelyabinsk, Russia

author

D. Kuzmin

• Chelyabinsk State University, Br. Kashirinykh 129, 454001 Chelyabinsk, Russia

author

D. Kalenov

• Kotelnikov Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11/7, 125009 Moscow, Russia

author

A. Kamantsev

• Kotelnikov Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11/7, 125009 Moscow, Russia

author

V. Koledov

• Kotelnikov Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11/7, 125009 Moscow, Russia

author

D. Kuchin

• Kotelnikov Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11/7, 125009 Moscow, Russia

author

V. Shavrov

• Kotelnikov Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11/7, 125009 Moscow, Russia

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Identifiers

DOI

10.12693/APhysPolA.127.588