Crystal Phases in Hybrid Metal-Semiconductor Nanowire Devices

被引：4
作者：
David, J. [1 ]
Rossella, F. [2 ,3 ]
Rocci, M. [2 ,3 ]
Ercolani, D. [2 ,3 ]
Sorba, L. [2 ,3 ]
Beltram, F. [2 ,3 ]
Gemmi, M. [1 ]
Roddaro, S. [2 ,3 ]
机构：
[1] Ist Italiano Tecnol, Ctr Nanotechnol Innovat NEST, Piazza San Silvestro 12, I-56127 Pisa, Italy
[2] Scuola Normale Super Pisa, NEST, Piazza S Silvestro 12, I-56127 Pisa, Italy
[3] CNR, Ist Nanosci, Piazza S Silvestro 12, I-56127 Pisa, Italy
来源：
NANO LETTERS | 2017年 / 17卷 / 04期
关键词：
Electron diffraction tomography; transmission electron microscopy; hybrid metal-semiconductor nanowires; thermal annealing; GaAs nanowires; AUTOMATED DIFFRACTION TOMOGRAPHY; INITIO STRUCTURE DETERMINATION; INTERFACIAL REACTIONS; ELECTRON-DIFFRACTION; HETEROSTRUCTURES; MODULATION; FILMS;
D O I：
10.1021/acs.nanolett.6b05223
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We investigate the metallic phases observed in hybrid metal-GaAs nanowire devices obtained by controlled thermal annealing of Ni/Au electrodes. Devices are fabricated onto a SiN membrane compatible with transmission electron microscopy studies. Energy dispersive X-ray spectroscopy allows us to show that the nanowire body includes two Ni-rich phases that thanks to an innovative use of electron diffraction tomography can be unambiguously identified as Ni3GaAs and Ni5As2 crystals. The mechanisms of Ni incorporation leading to the observed phenomenology are discussed.
引用
收藏
页码：2336 / 2341
页数：6
相关论文
共 44 条
  • [31] Multi-quantum-well nanowire heterostructures for wavelength-controlled lasers
    Qian, Fang
    Li, Yat
    Gradecak, Silvija
    Park, Hong-Gyu
    Dong, Yajie
    Ding, Yong
    Wang, Zhong Lin
    Lieber, Charles M.
    [J]. NATURE MATERIALS, 2008, 7 (09) : 701 - 706
  • [32] Manipulation of Electron Orbitals in Hard-Wall InAs/InP Nanowire Quantum Dots
    Roddaro, Stefano
    Pescaglini, Andrea
    Ercolani, Daniele
    Sorba, Lucia
    Beltram, Fabio
    [J]. NANO LETTERS, 2011, 11 (04) : 1695 - 1699
  • [33] GHz Electroluminescence Modulation in Nanoscale Subwavelength Emitters
    Rossella, Francesco
    Piazza, Vincenzo
    Rocci, Mirko
    Ercolani, Daniele
    Sorba, Lucia
    Beltram, Fabio
    Roddaro, Stefano
    [J]. NANO LETTERS, 2016, 16 (09) : 5521 - 5527
  • [34] Rossella F, 2014, NAT NANOTECHNOL, V9, P997, DOI [10.1038/NNANO.2014.251, 10.1038/nnano.2014.251]
  • [35] STRUCTURE AND COMPOSITION OF NIXGAAS
    SANDS, T
    KERAMIDAS, VG
    WASHBURN, J
    GRONSKY, R
    [J]. APPLIED PHYSICS LETTERS, 1986, 48 (06) : 402 - 404
  • [36] Semiconductor nanowires for subwavelength photonics integration
    Sirbuly, DJ
    Law, M
    Yan, HQ
    Yang, PD
    [J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (32) : 15190 - 15213
  • [37] Nanoscale Free-Carrier Profiling of Individual Semiconductor Nanowires by Infrared Near-Field Nanoscopy
    Stiegler, J. M.
    Huber, A. J.
    Diedenhofen, S. L.
    Rivas, J. Gomez
    Algra, R. E.
    Bakkers, E. P. A. M.
    Hillenbrand, R.
    [J]. NANO LETTERS, 2010, 10 (04) : 1387 - 1392
  • [38] Tang JY, 2011, NAT NANOTECHNOL, V6, P568, DOI [10.1038/NNANO.2011.139, 10.1038/nnano.2011.139]
  • [39] Ab initio structure determination of nanocrystals of organic pharmaceutical compounds by electron diffraction at room temperature using a Timepix quantum area direct electron detector
    van Genderen, E.
    Clabbers, M. T. B.
    Das, P. P.
    Stewart, A.
    Nederlof, I.
    Barentsen, K. C.
    Portillo, Q.
    Pannu, N. S.
    Nicolopoulos, S.
    Gruene, T.
    Abrahams, J. P.
    [J]. ACTA CRYSTALLOGRAPHICA A-FOUNDATION AND ADVANCES, 2016, 72 : 236 - 242
  • [40] Single-crystal metallic nanowires and metal/semiconductor nanowire heterostructures
    Wu, Y
    Xiang, J
    Yang, C
    Lu, W
    Lieber, CM
    [J]. NATURE, 2004, 430 (6995) : 61 - 65
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