Magnetophonon Resonance

Firsov, Yu. A.; Гуревич, В. Л.; Parfeniev, R. V.; Tsidilkovskii, I. M.

doi:10.1016/b978-0-444-88873-0.50016-9

Cited by 7 publications

(10 citation statements)

References 140 publications

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“…For the interpretation of the peaks in series e and d, the band structure parameters calculated for a given composition in [3] were used.…”

Section: B (Timentioning

confidence: 99%

“…3. Experimental records of 82erx/8B2 for n-Zno.08Cd,,,,Hg,,,,Te in weak magnetic fields and corresponding transitions at temperature 154 K However, together with this, MPR,,, may occur also in the inverse direction: an electron found on upper Landau levels absorbs a phonon of lower energy [LO(HgTe)], causing it to undergo a transition to a lower level, releasing a phonon of higher energy [LO(CdTe)] or [LO(ZnTe)].…”

mentioning

confidence: 97%

“…For this reason the study of the band structure and phonon spectrum of the new solid solutions Zn,Cd,Hg,-,-,Te (ZCMT) alternative to Hg, -,Cd,Te seems to be very important. An excellent method for this is magnetophonon resonance (MPR) [3]. In our previous paper [4], the parameters of the band structure and their temperature dependencies in the range of 4.2 to 200K for several compositions of ZCMT were determined with the help of cyclotron resonance and MPR in the range of magnetic fields 2 to 6T.…”

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confidence: 99%

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Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe

Sheregii

Cebulski

Andrukhiv

1995

Physica Status Solidi (b)

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The influence of temperature on oscillations of the transverse magnetoresistance of Zn,Cd,Hg, -,-,Te (x = 0.08, y = 0.1 1) in the range 77 to 200 K and under magnetic fields of up to 2.5 T is studied. It is shown that the structure of the observed oscillations cannot be interpreted by participation of one kind of phonons only in magnetophonon resonance. The interpretation of experimental peaks with the help of magnetophonon resonances at different phonon frequencies describing the different sublattices of the solid solution (HgTe-like, CdTe-like, ZnTe-like) is given.It is well known that introduction of a limited amount of Zn into a solid solution of Hg, _,Cd,Te stabilizes the crystal lattice, increasing the bond energy of Hg atoms [l, 21 what rectifies the main defect of this compound. For this reason the study of the band structure and phonon spectrum of the new solid solutions Zn,Cd,Hg,-,-,Te (ZCMT) alternative to Hg, -,Cd,Te seems to be very important. An excellent method for this is magnetophonon resonance (MPR) [3]. In our previous paper [4], the parameters of the band structure and their temperature dependencies in the range of 4.2 to 200K for several compositions of ZCMT were determined with the help of cyclotron resonance and MPR in the range of magnetic fields 2 to 6T. In the present paper we are mainly concerned with magnetoresistance oscillations in weak magnetic fields ( B < 2 T). We will attempt to interpret the observed peaks using already known parameters of the band structure.The effect of temperature on oscillations of the transverse magnetoresistance in the epitaxial layers Zn,Cd,Hg,-,-,Te at x = 0.08, y = 0.11, mobility p = 9 x lo4 cm2/Vs, and concentration n = 4 x 10'' cm-3 has been studied. The second derivative of the transverse magnetoresistance exx as a function of pulsed magnetic field B, obtained in the temperature range 77 to 200 K has been registered. Pulsed magnetic field allows us to obtain a number ') Rejtana 16a, PL-35-310 Rzeszbw, Poland. ') I. Franko 24, 293-720 Drohobych, Ukraine.

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“…For the interpretation of the peaks in series e and d, the band structure parameters calculated for a given composition in [3] were used.…”

Section: B (Timentioning

confidence: 99%

mentioning

confidence: 97%

mentioning

confidence: 99%

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Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe

Sheregii

Cebulski

Andrukhiv

1995

Physica Status Solidi (b)

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“…Magnetophonon resonance (MPR) in semiconductors is reached every time when the limiting frequency of a longitudinal optic phonon ω 0 equals the cyclotron frequency of an electron, Ω, times some small integer, N (see Refs. [1,2]). Along with cyclotron resonance, it has become one of the main instruments of semiconducting compound spectroscopy.…”

Section: Introductionmentioning

confidence: 99%

Magnetophonon resonance in quantum wells in tilted field: what is concealed behind its angular dependence?

Afonin

Гуревич

Laiho

et al. 2004

J. Phys.: Condens. Matter

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Magnetophonon resonance in quantum wells in a tilted magnetic field B is investigated. Measurements of the Hall coefficient and correspondingly of the carrier concentration as a functions of magnetic field and temperature are simultaneously performed. It is shown that the experimental data can be interpreted in terms of a great sensitivity of the effect to the variation of the two dimensional carrier concentration n s in a certain concentration interval.In other words, the observed angular dependence of the MPR amplitudes is a manifestation of dependence of n s on the magnitude of the magnetic field B.

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“…The magnetophonon resonance (MPR) together with the cyclotron resonance has become one of the most widely applied methods of spectroscopy of electron states in semiconducting bulk crystals [1] and singular heterostructures [2]. There are two papers known in which MPR was examined in superlattices and structures with multiple quantum wells (MQW) in the vertical transport (both the magnetic field and the electric current are perpendicular to layers) [3,4].…”

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confidence: 99%

Role of the Thermal Stress on the Magnetophonon Peak Structure in the Parallel Transport of the GaAs/AlGaAs Multiple Quantum Wells

et al. 1998

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The magnetophonon resonance in parallel transport of two types multiple quantum wells was studied. The transverse magnetoresistance was measured in pulsed magnetic fields up to 30 T (within temperature region from 77 to 340 K). A fine structure of magnetophonon resonance peaks which depends on temperature and does not depend on the type of multiple quantum wells, was observed. This effect could be attributed to two phenomena: contribution of barrier phonons and influence of thermostresses.PACS numbers: 78.66. Fd, 73.20.Dx The magnetophonon resonance (MPR) together with the cyclotron resonance has become one of the most widely applied methods of spectroscopy of electron states in semiconducting bulk crystals [1] and singular heterostructures [2]. There are two papers known in which MPR was examined in superlattices and structures with multiple quantum wells (MQW) in the vertical transport (both the magnetic field and the electric current are perpendicular to layers) [3,4]. The present paper reports results of the MPR research in MQW in the parallel transport (the magnetic field is perpendicular, and the current is parallel to layers). In particular, sensitivity of the phonon spectrum and electron states to thermostresses is considered.Two types of MQW-systems were studied; they consisted of ten QWs of GaAs and ten AlGaAs barriers, and were obtained by metalorganic chemical vapor deposition (MOCVD) on semi-insulating GaAs substrate. The parameters of MQWs are shown in Table. Six specimens in standard form for Hall measurements

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Magnetophonon Resonance

Cited by 7 publications

References 140 publications

Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe

Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe

Magnetophonon resonance in quantum wells in tilted field: what is concealed behind its angular dependence?

Role of the Thermal Stress on the Magnetophonon Peak Structure in the Parallel Transport of the GaAs/AlGaAs Multiple Quantum Wells

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Magnetophonon Resonance

Cited by 7 publications

References 140 publications

Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of ZnxCdyHg1−x−yTe

Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of ZnxCdyHg1−x−yTe

Magnetophonon resonance in quantum wells in tilted field: what is concealed behind its angular dependence?

Role of the Thermal Stress on the Magnetophonon Peak Structure in the Parallel Transport of the GaAs/AlGaAs Multiple Quantum Wells

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Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe

Influence of Temperature on Magnetophonon Resonances in Four‐Component Solid Solution of Zn_xCd_yHg_1−x−yTe