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International Conference on Superlattices, Nanostructures and Nanodevices (ICSNN 2010)

Shushen Li, Jian Liu and PingHeng Tan

  1. Nano Express

    Topological confinement in an antisymmetric potential in bilayer graphene in the presence of a magnetic field

    We investigate the effect of an external magnetic field on the carrier states that are localized at a potential kink and a kink-antikink in bilayer graphene. These chiral states are localized at the interface ...

    Mohammad Zarenia, Joao Milton Pereira Jr, François Maria Peeters and Gil de Aquino Farias

    Nanoscale Research Letters 2011 6:452

    Published on: 14 July 2011

  2. Nano Express

    Microstructure of non-polar GaN on LiGaO2 grown by plasma-assisted MBE

    We have investigated the structure of non-polar GaN, both on the M - and A-plane, grown on LiGaO2 by plasma-assisted molecular beam epitaxy. The epitaxial relationship and the microstructure of the GaN films are ...

    Cheng-Hung Shih, Teng-Hsing Huang, Ralf Schuber, Yen-Liang Chen, Liuwen Chang, Ikai Lo, Mitch MC Chou and Daniel M Schaadt

    Nanoscale Research Letters 2011 6:425

    Published on: 15 June 2011

  3. Nano Express

    Magnetoluminescence from trion and biexciton in type-II quantum dot

    We theoretically investigate optical Aharonov-Bohm (AB) effects on trion and biexciton in the type-II semiconductor quantum dots, in which holes are localized near the center of the dot, and electrons are conf...

    Rin Okuyama, Mikio Eto and Hiroyuki Hyuga

    Nanoscale Research Letters 2011 6:351

    Published on: 20 April 2011

  4. Nano Express

    Defect symmetry influence on electronic transport of zigzag nanoribbons

    The electronic transport of zigzag-edged graphene nanoribbon (ZGNR) with local Stone-Wales (SW) defects is systematically investigated by first principles calculations. While both symmetric and asymmetric SW d...

    Hui Zeng, Jean-Pierre Leburton, Yang Xu and Jianwei Wei

    Nanoscale Research Letters 2011 6:254

    Published on: 24 March 2011

  5. Nano Express

    Can graphene make better HgCdTe infrared detectors?

    We develop a simple and low-cost technique based on chemical vapor deposition from which large-size graphene films with 5-10 graphene layers can be produced reliably and the graphene films can be transferred e...

    Wen Xu, Youpin Gong, Liwei Liu, Hua Qin and Yanli Shi

    Nanoscale Research Letters 2011 6:250

    Published on: 23 March 2011

  6. Nano Express

    Defect induced changes on the excitation transfer dynamics in ZnS/Mn nanowires

    Transients of Mn internal 3d 5 luminescence in ZnS/Mn nanowires are strongly non-exponential. This non-exponential decay arises from an excitation transfer from the Mn ions to so-called killer centers, i.e., non-...

    Uwe Kaiser, Limei Chen, Sebastian Geburt, Carsten Ronning and Wolfram Heimbrodt

    Nanoscale Research Letters 2011 6:228

    Published on: 16 March 2011

  7. Nano Express

    Pumped double quantum dot with spin-orbit coupling

    We study driven by an external electric field quantum orbital and spin dynamics of electron in a one-dimensional double quantum dot with spin-orbit coupling. Two types of external perturbation are considered: ...

    Denis Khomitsky and Eugene Sherman

    Nanoscale Research Letters 2011 6:212

    Published on: 11 March 2011

  8. Nano Express

    Investigation of pre-structured GaAs surfaces for subsequent site-selective InAs quantum dot growth

    In this study, we investigated pre-structured (100) GaAs sample surfaces with respect to subsequent site-selective quantum dot growth. Defects occurring in the GaAs buffer layer grown after pre-structuring are...

    Mathieu Helfrich, Roland Gröger, Alexander Förste, Dimitri Litvinov, Dagmar Gerthsen, Thomas Schimmel and Daniel M Schaadt

    Nanoscale Research Letters 2011 6:211

    Published on: 11 March 2011

  9. Nano Express

    Observation of strong anisotropic forbidden transitions in (001) InGaAs/GaAs single-quantum well by reflectance-difference spectroscopy and its behavior under uniaxial strain

    The strong anisotropic forbidden transition has been observed in a series of InGaAs/GaAs single-quantum well with well width ranging between 3 nm and 7 nm at 80 K. Numerical calculations within the envelope fu...

    Jin-Ling Yu, Yong-Hai Chen, Chen-Guang Tang, ChongYun Jiang and Xiao-Ling Ye

    Nanoscale Research Letters 2011 6:210

    Published on: 10 March 2011

  10. Nano Express

    Ordered GeSi nanorings grown on patterned Si (001) substrates

    An easy approach to fabricate ordered pattern using nanosphere lithography and reactive iron etching technology was demonstrated. Long-range ordered GeSi nanorings with 430 nm period were grown on patterned Si...

    Yingjie Ma, Jian Cui, Yongliang Fan, Zhenyang Zhong and Zuimin Jiang

    Nanoscale Research Letters 2011 6:205

    Published on: 9 March 2011

  11. Nano Express

    Electromodulated reflectance study of self-assembled Ge/Si quantum dots

    We perform an electroreflectance spectroscopy of Ge/Si self-assembled quantum dots in the near-infrared and in the mid-infrared spectral range. Up to three optical transitions are observed. The low-energy reso...

    Andrew Yakimov, Aleksandr Nikiforov, Aleksei Bloshkin and Anatolii Dvurechenskii

    Nanoscale Research Letters 2011 6:208

    Published on: 9 March 2011

  12. Nano Express

    Magnetotransport in quantum cascade detectors: analyzing the current under illumination

    Photocurrent measurements have been performed on a quantum cascade detector structure under strong magnetic field applied parallel to the growth axis. The photocurrent shows oscillations as a function of B. In or...

    François-Régis Jasnot, Nicolas Péré-Laperne, Louis-Anne de Vaulchier, Yves Guldner, Francesca Carosella, Robson Ferreira, Amandine Buffaz, Laetitia Doyennette, Vincent Berger, Mathieu Carras and Xavier Marcadet

    Nanoscale Research Letters 2011 6:206

    Published on: 9 March 2011

  13. Nano Express

    Effect of phonons on the ac conductance of molecular junctions

    We theoretically examine the effect of a single phonon mode on the structure of the frequency dependence of the ac conductance of molecular junctions, in the linear response regime. The conductance is enhanced...

    Akiko Ueda, Ora Entin-Wohlman and Amnon Aharony

    Nanoscale Research Letters 2011 6:204

    Published on: 9 March 2011

  14. Nano Express

    Field emission enhancement of Au-Si nano-particle-decorated silicon nanowires

    Au-Si nano-particle-decorated silicon nanowire arrays have been fabricated by Au film deposition on silicon nanowire array substrates and then post-thermal annealing under hydrogen atmosphere. Field emission m...

    Fei Zhao, Guo-an Cheng, Rui-ting Zheng, Dan-dan Zhao, Shao-long Wu and Jian-hua Deng

    Nanoscale Research Letters 2011 6:176

    Published on: 25 February 2011

  15. Nano Express

    Multiple metallic-shell nanocylinders for surface-enhanced spectroscopes

    The optical properties of multiple dielectric-core-gold-shell nanocylinder pairs are investigated by two-dimensional finite difference time domain method. The core-shell cylinders are assumed to be of the same...

    Jin-You Lu, Kuo-Pin Chiu, Husan-Yi Chao and Yuan-Huei Chang

    Nanoscale Research Letters 2011 6:173

    Published on: 24 February 2011

  16. Nano Express

    Room temperature spin diffusion in (110) GaAs/AlGaAs quantum wells

    Transient spin grating experiments are used to investigate the electron spin diffusion in intrinsic (110) GaAs/AlGaAs multiple quantum well at room temperature. The measured spin diffusion length of optically ...

    Changcheng Hu, Huiqi Ye, Gang Wang, Haitao Tian, Wenxin Wang, Wenquan Wang, Baoli Liu and Xavier Marie

    Nanoscale Research Letters 2011 6:149

    Published on: 16 February 2011

  17. Nano Review

    Electronic and magnetic properties of SnO2/CrO2 thin superlattices

    In this article, using first-principles electronic structure calculations within the spin density functional theory, alternated magnetic and non-magnetic layers of rutile-CrO2 and rutile-SnO2 respectively, in a (...

    Pablo D Borges, Luísa MR Scolfaro, Horácio W Leite Alves, Eronides F da Silva Jr and Lucy VC Assali

    Nanoscale Research Letters 2011 6:146

    Published on: 15 February 2011

  18. Nano Express

    A delta-doped quantum well system with additional modulation doping

    A delta-doped quantum well with additional modulation doping may have potential applications. Utilizing such a hybrid system, it is possible to experimentally realize an extremely high two-dimensional electron...

    Dong-Sheng Luo, Li-Hung Lin, Yi-Chun Su, Yi-Ting Wang, Zai Fong Peng, Shun-Tsung Lo, Kuang Yao Chen, Yuan-Huei Chang, Jau-Yang Wu, Yiping Lin, Sheng-Di Lin, Jeng-Chung Chen, Chun-Feng Huang and Chi-Te Liang

    Nanoscale Research Letters 2011 6:139

    Published on: 14 February 2011

  19. Nano Express

    On the direct insulator-quantum Hall transition in two-dimensional electron systems in the vicinity of nanoscaled scatterers

    A direct insulator-quantum Hall (I-QH) transition corresponds to a crossover/transition from the insulating regime to a high Landau level filling factor ν > 2 QH state. Such a transition has been attracting a ...

    Chi-Te Liang, Li-Hung Lin, Chen Kuang Yoa, Shun-Tsung Lo, Yi-Ting Wang, Dong-Sheng Lou, Gil-Ho Kim, Chang Yuan-Huei, Yuichi Ochiai, Nobuyuki Aoki, Jeng-Chung Chen, Yiping Lin, Huang Chun-Feng, Sheng-Di Lin and David A Ritchie

    Nanoscale Research Letters 2011 6:131

    Published on: 11 February 2011

  20. Nano Express

    Superlattices: problems and new opportunities, nanosolids

    Superlattices were introduced 40 years ago as man-made solids to enrich the class of materials for electronic and optoelectronic applications. The field metamorphosed to quantum wells and quantum dots, with ev...

    Raphael Tsu

    Nanoscale Research Letters 2011 6:127

    Published on: 10 February 2011

  21. Nano Express

    Crystal and electronic structure of PbTe/CdTe nanostructures

    In this article, the authors reported a theoretical study of structural and electronic properties of PbTe inclusions in CdTe matrix as well as CdTe nano-clusters in PbTe matrix. The structural properties are s...

    Małgorzata Bukała, Piotr Sankowski, Ryszard Buczko and Perła Kacman

    Nanoscale Research Letters 2011 6:126

    Published on: 10 February 2011

  22. Nano Express

    Spin effects in InAs self-assembled quantum dots

    We have studied the polarized resolved photoluminescence in an n-type resonant tunneling diode (RTD) of GaAs/AlGaAs which incorporates a layer of InAs self-assembled quantum dots (QDs) in the center of a GaAs ...

    Ednilson C dos Santos, Yara Galvão Gobato, Maria JSP Brasil, David A Taylor and Mohamed Henini

    Nanoscale Research Letters 2011 6:115

    Published on: 3 February 2011

  23. Nano Express

    GaInNAs-based Hellish-vertical cavity semiconductor optical amplifier for 1.3 μm operation

    Hot electron light emission and lasing in semiconductor heterostructure (Hellish) devices are surface emitters the operation of which is based on the longitudinal injection of electrons and holes in the active...

    Faten Adel Ismail Chaqmaqchee, Simone Mazzucato, Murat Oduncuoglu, Naci Balkan, Yun Sun, Mustafa Gunes, Maxime Hugues and Mark Hopkinson

    Nanoscale Research Letters 2011 6:104

    Published on: 27 January 2011

  24. Nano Express

    Magnetotransport in an aluminum thin film on a GaAs substrate grown by molecular beam epitaxy

    Magnetotransport measurements are performed on an aluminum thin film grown on a GaAs substrate. A crossover from electron- to hole-dominant transport can be inferred from both longitudinal resistivity and Hall...

    Shun-Tsung Lo, Chiashain Chuang, Sheng-Di Lin, Kuang Yao Chen, Chi-Te Liang, Shih-Wei Lin, Jau-Yang Wu and Mao-Rong Yeh

    Nanoscale Research Letters 2011 6:102

    Published on: 26 January 2011

  25. Nano Express

    Circular polarization in a non-magnetic resonant tunneling device

    We have investigated the polarization-resolved photoluminescence (PL) in an asymmetric n-type GaAs/AlAs/GaAlAs resonant tunneling diode under magnetic field parallel to the tunnel current. The quantum well (QW) P...

    Lara F dos Santos, Yara Galvão Gobato, Márcio D Teodoro, Victor Lopez-Richard, Gilmar E Marques, Maria JSP Brasil, Milan Orlita, Jan Kunc, Duncan K Maude, Mohamed Henini and Robert J Airey

    Nanoscale Research Letters 2011 6:101

    Published on: 25 January 2011

  26. Nano Express

    Formation of Ge-Sn nanodots on Si(100) surfaces by molecular beam epitaxy

    The surface morphology of Ge0.96Sn0.04/Si(100) heterostructures grown at temperatures from 250 to 450°C by atomic force microscopy (AFM) and scanning tunnel microscopy (STM) ex situ has been studied. The statisti...

    Vladimir Mashanov, Vladimir Ulyanov, Vyacheslav Timofeev, Aleksandr Nikiforov, Oleg Pchelyakov, Ing-Song Yu and Henry Cheng

    Nanoscale Research Letters 2011 6:85

    Published on: 12 January 2011