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Resonant tunnelling spectroscopy of the local density of states in a disordered conductor

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Resonant tunnelling spectroscopy of the local density of states in a disordered conductor. / Savchenko, AK; Holder, JP; Falko, Vladimir et al.
In: physica status solidi (b), Vol. 218, No. 1, 03.2000, p. 309-318.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Savchenko, AK, Holder, JP, Falko, V, Jouault, B, Faini, C, Laruelle, F & Bedel, E 2000, 'Resonant tunnelling spectroscopy of the local density of states in a disordered conductor', physica status solidi (b), vol. 218, no. 1, pp. 309-318. https://doi.org/10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S

APA

Savchenko, AK., Holder, JP., Falko, V., Jouault, B., Faini, C., Laruelle, F., & Bedel, E. (2000). Resonant tunnelling spectroscopy of the local density of states in a disordered conductor. physica status solidi (b), 218(1), 309-318. https://doi.org/10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S

Vancouver

Savchenko AK, Holder JP, Falko V, Jouault B, Faini C, Laruelle F et al. Resonant tunnelling spectroscopy of the local density of states in a disordered conductor. physica status solidi (b). 2000 Mar;218(1):309-318. doi: 10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S

Author

Savchenko, AK ; Holder, JP ; Falko, Vladimir et al. / Resonant tunnelling spectroscopy of the local density of states in a disordered conductor. In: physica status solidi (b). 2000 ; Vol. 218, No. 1. pp. 309-318.

Bibtex

@article{f61c53bc402446ccb927dd0e2d462bd1,
title = "Resonant tunnelling spectroscopy of the local density of states in a disordered conductor",
abstract = "We have studied the effects of magnetic field on the fluctuations of the electron density of states in a disordered conductor, a contact in the resonant tunnelling structure GaAlAs/GaAs/GaAlAs. The local density of states (LDOS) in the contact is detected by an impurity which acts as a 'spectrometer'. In the regime of weak magnetic field, omega(c)tau less than or equal to 1, a linear increase of the fluctuation magnitude with B-2 is seen, due to the decrease of the volume where the LDOS is formed and a decrease in the statistical averaging. In the regime omega(c)tau greater than or equal to 1, large oscillations of the fluctuation magnitude have been observed. We suggest an explanation of this new effect, de Haas-van Alphen type oscillations in the fluctuation magnitude. The behaviour of impurity spectrometers in a magnetic field and images given by a complex spectrometer are also discussed.",
keywords = "FLUCTUATIONS",
author = "AK Savchenko and JP Holder and Vladimir Falko and B Jouault and C Faini and F Laruelle and E Bedel",
year = "2000",
month = mar,
doi = "10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S",
language = "English",
volume = "218",
pages = "309--318",
journal = "physica status solidi (b)",
issn = "0370-1972",
publisher = "Wiley-VCH Verlag",
number = "1",
note = "8th International Conference on Hopping and Related Phenomena (HRP8) ; Conference date: 07-09-1999 Through 10-09-1999",

}

RIS

TY - JOUR

T1 - Resonant tunnelling spectroscopy of the local density of states in a disordered conductor

AU - Savchenko, AK

AU - Holder, JP

AU - Falko, Vladimir

AU - Jouault, B

AU - Faini, C

AU - Laruelle, F

AU - Bedel, E

PY - 2000/3

Y1 - 2000/3

N2 - We have studied the effects of magnetic field on the fluctuations of the electron density of states in a disordered conductor, a contact in the resonant tunnelling structure GaAlAs/GaAs/GaAlAs. The local density of states (LDOS) in the contact is detected by an impurity which acts as a 'spectrometer'. In the regime of weak magnetic field, omega(c)tau less than or equal to 1, a linear increase of the fluctuation magnitude with B-2 is seen, due to the decrease of the volume where the LDOS is formed and a decrease in the statistical averaging. In the regime omega(c)tau greater than or equal to 1, large oscillations of the fluctuation magnitude have been observed. We suggest an explanation of this new effect, de Haas-van Alphen type oscillations in the fluctuation magnitude. The behaviour of impurity spectrometers in a magnetic field and images given by a complex spectrometer are also discussed.

AB - We have studied the effects of magnetic field on the fluctuations of the electron density of states in a disordered conductor, a contact in the resonant tunnelling structure GaAlAs/GaAs/GaAlAs. The local density of states (LDOS) in the contact is detected by an impurity which acts as a 'spectrometer'. In the regime of weak magnetic field, omega(c)tau less than or equal to 1, a linear increase of the fluctuation magnitude with B-2 is seen, due to the decrease of the volume where the LDOS is formed and a decrease in the statistical averaging. In the regime omega(c)tau greater than or equal to 1, large oscillations of the fluctuation magnitude have been observed. We suggest an explanation of this new effect, de Haas-van Alphen type oscillations in the fluctuation magnitude. The behaviour of impurity spectrometers in a magnetic field and images given by a complex spectrometer are also discussed.

KW - FLUCTUATIONS

U2 - 10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S

DO - 10.1002/(SICI)1521-3951(200003)218:1<309::AID-PSSB309>3.0.CO;2-S

M3 - Journal article

VL - 218

SP - 309

EP - 318

JO - physica status solidi (b)

JF - physica status solidi (b)

SN - 0370-1972

IS - 1

T2 - 8th International Conference on Hopping and Related Phenomena (HRP8)

Y2 - 7 September 1999 through 10 September 1999

ER -