Search Results - "Dheeraj L"

Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography by Munshi, A. M, Dheeraj, D. L, Fauske, V. T, Kim, D. C, Huh, J, Reinertsen, J. F, Ahtapodov, L, Lee, K. D, Heidari, B, van Helvoort, A. T. J, Fimland, B. O, Weman, H

“…We report on the epitaxial growth of large-area position-controlled self-catalyzed GaAs nanowires (NWs) directly on Si by molecular beam epitaxy (MBE)…”
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Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth by Munshi, A. Mazid, Dheeraj, Dasa L, Fauske, Vidar T, Kim, Dong-Chul, van Helvoort, Antonius T. J, Fimland, Bjørn-Ove, Weman, Helge

“…By utilizing the reduced contact area of nanowires, we show that epitaxial growth of a broad range of semiconductors on graphene can in principle be achieved…”
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Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients by Huh, Junghwan, Yun, Hoyeol, Kim, Dong-Chul, Munshi, A. Mazid, Dheeraj, Dasa L, Kauko, Hanne, van Helvoort, Antonius T. J, Lee, SangWook, Fimland, Bjørn-Ove, Weman, Helge

“…Device configurations that enable a unidirectional propagation of carriers in a semiconductor are fundamental components for electronic and optoelectronic…”
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Fluorescence-based Evaluation of the Efficacy of Augmented Reality-assisted Toothbrush on Oral Hygiene Practices Among 6–8 Years Old Children by Dey, S, Deshmukh, S, Umamaheshwari S, Dheeraj L, Sinchan HG

“…Aim: Effective toothbrushing is the most simple way to maintain a child’s oral hygiene for a cavity-free mouth. Yet, most children find it an uninteresting…”
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Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si(111) by Munshi, Abdul Mazid, Dheeraj, Dasa L., Todorovic, Jelena, van Helvoort, Antonius T.J., Weman, Helge, Fimland, Bjørn-Ove

“…Accomplishing control of the crystal phases in III–V semiconductor nanowires (NWs) is important for applications in future advanced nano-devices. In this work,…”
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Observation of free exciton photoluminescence emission from single wurtzite GaAs nanowires by Hoang, Thang B., Moses, A. F., Zhou, H. L., Dheeraj, D. L., Fimland, B. O., Weman, H.

“…Microphotoluminescence measurements are used to investigate the optical properties of single wurtzite GaAs nanowires grown by molecular beam epitaxy. The…”
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Effect of arsenic species on the kinetics of GaAs nanowires growth by molecular beam epitaxy by Sartel, C., Dheeraj, D.L., Jabeen, F., Harmand, J.C.

“…GaAs nanowires (NWs) are grown on GaAs (1 1 1) B substrates in a molecular beam epitaxy system, by Au-assisted vapor–liquid–solid growth. We compare the…”
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Osler-Weber-Rendu disease: A rare cause of recurrent hemoptysis by Khoja, Amir, Jalan, Rahul, Jain, Dheeraj, Kajale, Omkar

“…Osler-Weber-Rendu disease, also known as hereditary hemorrhagic telangiectasia, is a rare autosomal dominant condition causing systemic fibrovascular…”
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Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy by Dheeraj, D.L., Munshi, A.M., Christoffersen, O.M., Kim, D.C., Signorello, G., Riel, H., van Helvoort, A.T.J., Weman, H., Fimland, B.O.

“…We report on the growth, structural and electrical characterizations of Be-doped GaAs nanowires (NWs) grown by the Au- and Ga-assisted vapour–liquid–solid…”
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Growth and structural characterization of GaAs/GaAsSb axial heterostructured nanowires by Dheeraj, D.L., Patriarche, G., Zhou, H., Harmand, J.C., Weman, H., Fimland, B.O.

“…GaAs nanowire (NW) heterostructures with four GaAsSb inserts were grown on GaAs(1 1 1)B substrates by Au-assisted molecular beam epitaxy (MBE). Structural…”
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In situ electronic probing of semiconducting nanowires in an electron microscope by FAUSKE, V.T., ERLBECK, M.B., HUH, J., KIM, D.C., MUNSHI, A.M., DHEERAJ, D.L., WEMAN, H., FIMLAND, B.O., VAN HELVOORT, A.T.J.

“…Summary For the development of electronic nanoscale structures, feedback on its electronic properties is crucial, but challenging. Here, we present a…”
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Inducing a direct-to-pseudodirect bandgap transition in wurtzite GaAs nanowires with uniaxial stress by Signorello, G., Lörtscher, E., Khomyakov, P.A., Karg, S., Dheeraj, D.L., Gotsmann, B., Weman, H., Riel, H.

“…Many efficient light-emitting devices and photodetectors are based on semiconductors with, respectively, a direct or indirect bandgap configuration. The less…”
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A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs by Ahtapodov, Lyubomir, Todorovic, Jelena, Olk, Phillip, Mjåland, Terje, Slåttnes, Patrick, Dheeraj, Dasa L, van Helvoort, Antonius T. J, Fimland, Bjørn-Ove, Weman, Helge

“…The optical properties of the wurtzite (WZ) GaAs crystal phase found in nanowires (NWs) are a highly controversial topic. Here, we study high-quality pure WZ…”
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New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays by Ren, Dingding, Dheeraj, Dasa L, Jin, Chengjun, Nilsen, Julie S, Huh, Junghwan, Reinertsen, Johannes F, Munshi, A. Mazid, Gustafsson, Anders, van Helvoort, Antonius T. J, Weman, Helge, Fimland, Bjørn-Ove

“…Ternary semiconductor nanowire arrays enable scalable fabrication of nano-optoelectronic devices with tunable bandgap. However, the lack of insight into the…”
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Influence of pitch on the morphology and luminescence properties of self-catalyzed GaAsSb nanowire arrays by Ren, Dingding, Huh, Junghwan, Dheeraj, Dasa L., Weman, Helge, Fimland, Bjørn-Ove

“…We report on the influence of hole pattern pitch lengths in the silicon oxide mask and specific nanowire (NW) locations on the morphology and luminescence…”
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In Situ Heat-Induced Replacement of GaAs Nanowires by Au by Fauske, Vidar T, Huh, Junghwan, Divitini, Giorgio, Dheeraj, Dasa L, Munshi, A. Mazid, Ducati, Caterina, Weman, Helge, Fimland, Bjørn-Ove, van Helvoort, Antonius T. J

“…Here we report on the heat-induced solid-state replacement of GaAs by Au in nanowires. Such replacement of semiconductor nanowires by metals is envisioned as a…”
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Single GaAs Nanowire/Graphene Hybrid Devices Fabricated by a Position-Controlled Microtransfer and an Imprinting Technique for an Embedded Structure by Mukherjee, Anjan, Yun, Hoyeol, Shin, Dong Hoon, Nam, Jungtae, Munshi, A. Mazid, Dheeraj, Dasa L, Fimland, Bjørn-Ove, Weman, Helge, Kim, Keun Soo, Lee, Sang Wook, Kim, Dong-Chul

“…We developed a new technique to fabricate single nanowire devices with reliable graphene/nanowire contacts using a position-controlled microtransfer and an…”
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Growth and Characterization of Wurtzite GaAs Nanowires with Defect-Free Zinc Blende GaAsSb Inserts by Dheeraj, Dasa L, Patriarche, Gilles, Zhou, Hailong, Hoang, Thang B, Moses, Anthonysamy F, Grønsberg, Sondre, van Helvoort, Antonius T. J, Fimland, Bjørn-Ove, Weman, Helge

“…We have demonstrated the growth of a unique wurtzite (WZ) GaAs nanowire (NW) with a zinc blende (ZB) GaAsSb insert by Au-assisted molecular beam epitaxy. An…”
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Semiconductor quantum-wires and nano-wires for optoelectronic applications by Weman, H., Palmgren, S., Karlsson, K. F., Rudra, A., Kapon, E., Dheeraj, D. L., Fimland, B. O., Harmand, J. C.

“…Exciton transfer between two parallel GaAs V-groove quantum wires (QWRs) or two planar quantum wells (QWs) separated by AlGaAs barriers ranging from 5.5 nm to…”
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Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control by Ba Hoang, Thang, Moses, Anthonysamy F, Ahtapodov, Lyubomir, Zhou, Hailong, Dheeraj, Dasa L, van Helvoort, Antonius T. J, Fimland, Bjørn-Ove, Weman, Helge

“…We report on a crystal phase-dependent photoluminescence (PL) polarization effect in individual wurtzite GaAs nanowires with a zinc blende GaAsSb insert grown…”
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