Yıl 2014,
Cilt: 3 Sayı: 2, 15 - 24, 03.02.2015
Öz
In this work, energy bant dispersion of AlGaAs/GaAs heterostructure, one of the III-V group elements of semiconductors is obtained by solving the Schrödinger and Poisson equations self-consistently for the modeling of double (bilayer) 2DEGs placed parallel. We investigate the electronic properties of AlGaAs/GaAs heterostructures as a function of the doping level in a condition where we obtain several different donor exist on one side and on both sides of the 2DEG. Besides, changes in the energy bant dispersion due to different Al concentrations are systematically investigated for these systems
Anahtar Kelimeler
Kaynakça
- Türkoğlu A., “GaAs-AlxGa1-xAs Heteroyapı ve Çoklu Kuantum Kuyu IR Fotodedektörün Elektro-optik Özelliklerinin İncelenmesi”, Cumhuriyet Üniversitesi, Fen Bilimleri Enstitüsü, Doktora tezi, 158, Sivas, 2007.
- Stradling R.A., “The Electronic Properties and Applications of Quantum Wells and Superlattices of III-V Narrow Gap Semiconductors”, Brazilian J. Phys., 26, (1), 7-20, 1996
- Chalker J.T., Gefen Y., Veillette M.Y., “Decoherence and Interactions in an Electronic March- Zehnder Interferometer”, Phys. Rev. B, 76, (8), 1-11, 2007
- Mese A.I., Bilekkaya A., Arslan S., Aktas S., Siddiki A., “Investigation of The Coupling Asymmetries at Double-Slit Interference Experiment Samples” J. Phys. A : Math. Theor., 43, (35), 1-8, 2010
- Ihnatsenka S., Zozoulenko I.V., “Interacting Electrons in The Aharonov-Bohm Interferometer”, Physical Review B, 77, (23), 1-9, 2008
- Morgan C.G., Kratzer P., Scheffler M., “Arsenic Dimer Dynamics During MBE Growth: Theoretical Evidence for a Novel Chemisorption State of As2 Molecules on GaAs Surfaces” Phys. Rev. Lett., 82, (24), 4886-4889, 1999
- Erol A., “Yüzey Işıması Yapan Düşük Boyutlu Yapılarda Bragg Yansıma Olaylarının İncelenmesi”, İstanbul Üniversitesi, Fen Bilimleri Enstitüsü, Doktora tezi, 138, İstanbul, 2002.
- Picciotto R.de, Stormer H.L., Yacoby A., Pfeiffer L.N., Baldwin K.W., West K.W., “2D-1D Coupling in Cleaved Edge Overgrowth”, Phys. Rev. Lett,. 85, (8), 1730-1733, 2000
- Picciotto R.de, Stormer H.L., Yacoby A., Pfeiffer L.N., Baldwin K.W., West K.W., “Transport in Cleaved-Edge Overgrowth Wires”, Physica E, 9, (1), 17-21, 2011
- Grayson M., Roth S.F., Xiang Y., Fischer, F, Schuh D., Bichler M., “Four-Point Measurements of n- and p-type Two-Dimensional Systems Fabricated with Cleaved-Edge Overgrowth”, Appl. Phys. Lett., 87, (21), 1-2, 2005
- Erkarslan U., Oylumluoglu G., Grayson M., Siddiki A., “The visibility of IQHE at sharp edges: experimental proposal based on interactions and edge electrostatics”, New Journal of Physics, 14, 023015-023020, 2012
- Cicek E., Mese A.I, Ulas M., Siddiki A., “Spatial Distribution of the Incompressible Strips at AB Interferometer”, Physica E : Low-dimensional Systems and Nanostructures 42, (4), 1066-1068, 2010
- Ando T., Fowler A., Stern F., “Electronic Properties of Two-Dimensional Systems”, Rev. Mod. Phys, 54, (2), 437-672, 1982
- Tsui D. C., Störmer H.L., Gossard A.C., “Zero-Resistance State of Two-Dimensional Electrons in a Quantizing Magnetic Field”, Phys. Rev. B, 25, (2), 1405-1407, 1982
- Matveev K.A., “Coulomb Blockade at Almost Perfect Transmission”, Phys. Rev. B, 51, (3), 1743-1751, 1995
- Adachi S., “Properties of Aluminium Gallium Arsenide”, INSPEC, London, 341-362, 1993
- Siddiki A., “Self-Consistent Coulomb Picture of an Electron-Electron Bilayer System”, Phys. Rev. B, 75, (15), 1-12, 2007
Yıl 2014,
Cilt: 3 Sayı: 2, 15 - 24, 03.02.2015
Öz
Bu çalışmada, birbirine paralel ikili, iki boyutlu elektron gazını (2BEG) modellemek için III-V grubu yarı iletken elementlerinden AlGaAs/GaAs heteroyapısının enerji bant dağılımı Schrödinger ve Poissson denklemlerinin öz uyumlu çözümüyle elde edilmiştir. AlGaAs/GaAs heteroyapıların elektronik özellikleri katkılamanın 2BEG’in tek ve her iki tarafına yapılması durumunda katkılamanın bir fonksiyonu olarak incelenmiştir. Ayrıca; enerji bant dağılımının Al konsantrasyonuna bağlı değişimi sistematik olarak araştırılmıştır.
Anahtar Kelimeler
Kaynakça
- Türkoğlu A., “GaAs-AlxGa1-xAs Heteroyapı ve Çoklu Kuantum Kuyu IR Fotodedektörün Elektro-optik Özelliklerinin İncelenmesi”, Cumhuriyet Üniversitesi, Fen Bilimleri Enstitüsü, Doktora tezi, 158, Sivas, 2007.
- Stradling R.A., “The Electronic Properties and Applications of Quantum Wells and Superlattices of III-V Narrow Gap Semiconductors”, Brazilian J. Phys., 26, (1), 7-20, 1996
- Chalker J.T., Gefen Y., Veillette M.Y., “Decoherence and Interactions in an Electronic March- Zehnder Interferometer”, Phys. Rev. B, 76, (8), 1-11, 2007
- Mese A.I., Bilekkaya A., Arslan S., Aktas S., Siddiki A., “Investigation of The Coupling Asymmetries at Double-Slit Interference Experiment Samples” J. Phys. A : Math. Theor., 43, (35), 1-8, 2010
- Ihnatsenka S., Zozoulenko I.V., “Interacting Electrons in The Aharonov-Bohm Interferometer”, Physical Review B, 77, (23), 1-9, 2008
- Morgan C.G., Kratzer P., Scheffler M., “Arsenic Dimer Dynamics During MBE Growth: Theoretical Evidence for a Novel Chemisorption State of As2 Molecules on GaAs Surfaces” Phys. Rev. Lett., 82, (24), 4886-4889, 1999
- Erol A., “Yüzey Işıması Yapan Düşük Boyutlu Yapılarda Bragg Yansıma Olaylarının İncelenmesi”, İstanbul Üniversitesi, Fen Bilimleri Enstitüsü, Doktora tezi, 138, İstanbul, 2002.
- Picciotto R.de, Stormer H.L., Yacoby A., Pfeiffer L.N., Baldwin K.W., West K.W., “2D-1D Coupling in Cleaved Edge Overgrowth”, Phys. Rev. Lett,. 85, (8), 1730-1733, 2000
- Picciotto R.de, Stormer H.L., Yacoby A., Pfeiffer L.N., Baldwin K.W., West K.W., “Transport in Cleaved-Edge Overgrowth Wires”, Physica E, 9, (1), 17-21, 2011
- Grayson M., Roth S.F., Xiang Y., Fischer, F, Schuh D., Bichler M., “Four-Point Measurements of n- and p-type Two-Dimensional Systems Fabricated with Cleaved-Edge Overgrowth”, Appl. Phys. Lett., 87, (21), 1-2, 2005
- Erkarslan U., Oylumluoglu G., Grayson M., Siddiki A., “The visibility of IQHE at sharp edges: experimental proposal based on interactions and edge electrostatics”, New Journal of Physics, 14, 023015-023020, 2012
- Cicek E., Mese A.I, Ulas M., Siddiki A., “Spatial Distribution of the Incompressible Strips at AB Interferometer”, Physica E : Low-dimensional Systems and Nanostructures 42, (4), 1066-1068, 2010
- Ando T., Fowler A., Stern F., “Electronic Properties of Two-Dimensional Systems”, Rev. Mod. Phys, 54, (2), 437-672, 1982
- Tsui D. C., Störmer H.L., Gossard A.C., “Zero-Resistance State of Two-Dimensional Electrons in a Quantizing Magnetic Field”, Phys. Rev. B, 25, (2), 1405-1407, 1982
- Matveev K.A., “Coulomb Blockade at Almost Perfect Transmission”, Phys. Rev. B, 51, (3), 1743-1751, 1995
- Adachi S., “Properties of Aluminium Gallium Arsenide”, INSPEC, London, 341-362, 1993
- Siddiki A., “Self-Consistent Coulomb Picture of an Electron-Electron Bilayer System”, Phys. Rev. B, 75, (15), 1-12, 2007
Toplam 17 adet kaynakça vardır.
Ayrıntılar
| Birincil Dil | Türkçe |
|---|---|
| Konular | Mühendislik |
| Bölüm | Fizik |
| Yazarlar | |
| Yayımlanma Tarihi | 3 Şubat 2015 |
| Yayımlandığı Sayı | Yıl 2014 Cilt: 3 Sayı: 2 |
Kaynak Göster
Dergimizin tarandığı indeksler