Effect of heavy noble gas ion irradiation on terahertz emission efficiency of InP (100) and (111) crystal planes
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RADHANPURA, Kruna, ROGER LEWIS, Roger, SIRBU, Lilian, ENACHI, Mihail, TIGINYANU, Ion, SKURATOV, Vladimir. Effect of heavy noble gas ion irradiation on terahertz emission efficiency of InP (100) and (111) crystal planes. In: Semiconductor Science and Technology, 2014, vol. 29, p. 0. ISSN 0268-1242. DOI: https://doi.org/10.1088/0268-1242/29/9/095015
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Semiconductor Science and Technology
Volumul 29 / 2014 / ISSN 0268-1242

Effect of heavy noble gas ion irradiation on terahertz emission efficiency of InP (100) and (111) crystal planes

DOI:https://doi.org/10.1088/0268-1242/29/9/095015

Pag. 0-0

Radhanpura Kruna1, Roger Lewis Roger1, Sirbu Lilian23, Enachi Mihail23, Tiginyanu Ion23, Skuratov Vladimir4
 
1 Institute for Superconducting and Electronic Materials, School of Physics, University of Wollongong, Wollongong,
2 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
3 Technical University of Moldova,
4 Joint Institute of Nuclear Research
 
 
Disponibil în IBN: 21 decembrie 2017


Rezumat

Emission of terahertz (THz) electromagnetic radiation from heavily-doped (5 × 1018 cm-3) (100) and (111) InP bulk materials and nanoporous honeycomb membranes, irradiated with heavy noble gas (Kr and Xe) ions, is presented. Irradiating samples with Kr or Xe improves THz emission efficiency. For (111) samples, as for unirradiated samples, the irradiated porous structures generate more THz radiation than their bulk counterparts. On the other hand, in contrast to unirradiated (100) samples, the irradiated (100) samples show a decrease in THz emission with porosity. We attribute this behaviour to changes in the local electric field due to the combined effect of the irradiation and nanoporosity.

Cuvinte-cheie
compact model, HEMT, high frequency noise, InAlN/GaN, minimum noise figure