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International Conference on Superlattices, Nanostructures, and Nanodevices (ICSNN 2012)

Prof Manfred Helm, Prof Oliver G. Schmidt, Dr Rinaldo Trotta

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  1. We analyze the energy spectrum of a positively charged exciton confined in a semiconductor heterostructure formed by two vertically coupled, axially symmetrical type II quantum dots located close to each other...

    Authors: Sindi Horta-Piñeres, Gene Elizabeth Escorcia-Salas, Ilia D Mikhailov and José Sierra-Ortega
    Citation: Nanoscale Research Letters 2012 7:532
    Content type: Nano Express Published on:

  2. We consider a model of hydrogen-like artificial molecule formed by two vertically coupled quantum dots in the shape of axially symmetrical thin layers with on-axis single donor impurity in each of them and wit...

    Authors: Ramón Manjarres-García, Gene Elizabeth Escorcia-Salas, Javier Manjarres-Torres, Ilia D Mikhailov and José Sierra-Ortega
    Citation: Nanoscale Research Letters 2012 7:531
    Content type: Nano Express Published on:

  3. In this study, we investigate the effect of annealing and nitrogen amount on electronic transport properties in n- and p-type-doped Ga0.68In0.32N y As1 − y/GaAs quantum well (QW)...

    Authors: Fahrettin Sarcan, Omer Donmez, Mustafa Gunes, Ayse Erol, Mehmet Cetin Arikan, Janne Puustinen and Mircea Guina
    Citation: Nanoscale Research Letters 2012 7:529
    Content type: Nano Express Published on:

  4. The integration of ferromagnetic Mn5Ge3 with the Ge matrix is promising for spin injection in a silicon-compatible geometry. In this paper, we report the preparation of magnetic Mn5Ge3 nanocrystals embedded insid...

    Authors: Shengqiang Zhou, Wenxu Zhang, Artem Shalimov, Yutian Wang, Zhisuo Huang, Danilo Buerger, Arndt Mücklich, Wanli Zhang, Heidemarie Schmidt and Manfred Helm
    Citation: Nanoscale Research Letters 2012 7:528
    Content type: Nano Express Published on:

  6. The Top-Hat hot electron light emission and lasing in semiconductor heterostructure (HELLISH)-vertical cavity semiconductor optical amplifier (VCSOA) is a modified version of a HELLISH-VCSOA device. It has a s...

    Authors: Faten Adel Ismael Chaqmaqchee, Naci Balkan and Jose Maria Ulloa Herrero
    Citation: Nanoscale Research Letters 2012 7:525
    Content type: Nano Express Published on:

  7. The exciton binding energy of an asymmetrical GaAs-Ga1−xAl x As cylindrical quantum dot is studied with the use of the effective mass approximation and a variational calculat...

    Authors: Alejandro Zapata, Ruben E Acosta, Miguel E Mora-Ramos and Carlos A Duque
    Citation: Nanoscale Research Letters 2012 7:508
    Content type: Nano Express Published on:

  8. Ge/Si quantum dots fabricated by molecular-beam epitaxy at 500°C are overgrown with Si at different temperatures Tcap, and effect of boron delta doping of Si barriers on the mid-infrared photoresponse was investi...

    Authors: Andrew Yakimov, Vyacheslav Timofeev, Aleksei Bloshkin, Aleksandr Nikiforov and Anatolii Dvurechenskii
    Citation: Nanoscale Research Letters 2012 7:494
    Content type: Nano Express Published on:

  9. The authors report single-photon emission from InGaAs quantum dots grown by droplet epitaxy on (100) GaAs substrates using a solid-source molecular beam epitaxy system at elevated substrate temperatures above ...

    Authors: Mohamed Benyoucef, Verena Zuerbig, Johann Peter Reithmaier, Tim Kroh, Andreas W Schell, Thomas Aichele and Oliver Benson
    Citation: Nanoscale Research Letters 2012 7:493
    Content type: Nano Express Published on:

  10. In this work, we study the exciton states in a zincblende InGaN/GaN quantum well using a variational technique. The system is considered under the action of intense laser fields with the incorporation of a dir...

    Authors: Carlos M Duque, Miguel E Mora-Ramos and Carlos A Duque
    Citation: Nanoscale Research Letters 2012 7:492
    Content type: Nano Express Published on:

  11. The tunable terahertz intersubband Landau level transitions in resonant tunneling cascade quantum well structures are considered. The way of lifting the selection rule forbidding the inter-Landau level teraher...

    Authors: Maksim P Telenkov, Yury A Mityagin and Petr F Kartsev
    Citation: Nanoscale Research Letters 2012 7:491
    Content type: Nano Express Published on:

  12. Electronic transport in unintentionally doped GaxIn1-xN alloys with various Ga concentrations (x = 0.06, 0.32 and 0.52) is studied. Hall effect measurements are performed at temperatures between 77 and 300 K. Tem...

    Authors: Omer Donmez, Mustafa Gunes, Ayse Erol, Cetin M Arikan, Naci Balkan and William J Schaff
    Citation: Nanoscale Research Letters 2012 7:490
    Content type: Nano Express Published on:

  13. The electronic states of a singly ionized on-axis double-donor complex (D2+) confined in two identical vertically coupled, axially symmetrical quantum dots in a threading magnetic field are calculated. The soluti...

    Authors: Ramón Manjarres-García, Gene Elizabeth Escorcia-Salas, Ilia D Mikhailov and José Sierra-Ortega
    Citation: Nanoscale Research Letters 2012 7:489
    Content type: Nano Express Published on:

  16. We present a comparative analysis of Raman scattering by acoustic and optical phonons in InAs/AlAs quantum dot superlattices grown on (001) and (311)B GaAs surfaces. Doublets of folded longitudinal acoustic ph...

    Authors: Alexander Milekhin, Nikolay Yeryukov, Alexander Toropov, Dmitry Dmitriev, Evgeniya Sheremet and Dietrich RT Zahn
    Citation: Nanoscale Research Letters 2012 7:476
    Content type: Nano Express Published on:

  17. The Braess paradox, known for traffic and other classical networks, lies in the fact that adding a new route to a congested network in an attempt to relieve congestion can degrade counterintuitively the overal...

    Authors: Marco Pala, Hermann Sellier, Benoit Hackens, Frederico Martins, Vincent Bayot and Serge Huant
    Citation: Nanoscale Research Letters 2012 7:472
    Content type: Nano Express Published on:

  18. We report the experimental evidence for the formation of multi-quantum dots in a hydrogenated single-layer graphene flake. The existence of multi-quantum dots is supported by the low-temperature measurements o...

    Authors: Chiashain Chuang, Reuben K Puddy, Malcolm R Connolly, Shun-Tsung Lo, Huang-De Lin, Tse-Ming Chen, Charles G Smith and Chi-Te Liang
    Citation: Nanoscale Research Letters 2012 7:459
    Content type: Nano Express Published on: