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Stopping power of He, C and O in GaN


Barradas, Nuno P.; Alves, Eduardo; Siketić, Zdravko; Bogdanović-Radović, Ivančica
Stopping power of He, C and O in GaN // Nuclear instruments and methods in physics research. Section B, 273 (2012), 26-29 doi:10.1016/j.nimb.2011.07.029 (međunarodna recenzija, članak, znanstveni)


Naslov
Stopping power of He, C and O in GaN

Autori
Barradas, Nuno P. ; Alves, Eduardo ; Siketić, Zdravko ; Bogdanović-Radović, Ivančica

Izvornik
Nuclear instruments and methods in physics research. Section B (0168-583X) 273 (2012); 26-29

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Stopping power; gallium nitride; heavy ions

Sažetak
GaN and other group III nitrides based alloys are important materials in optoelectronic and electronic devices, including high-brightness blue and white LEDs, multi-junction solar cells, high-frequency transistors, and THz emitters. Unintentional impurities can be present, with a strong influence in the properties of these materials. These impurities are often light elements such as H, C, or O, and an ion beam analysis technique such as heavy ion elastic recoil detection analysis can play a fundamental role in their quantification. However, to our knowledge stopping powers in GaN have not yet been measured, and data analysis relies on using the Bragg rule, which is often inaccurate. We have used a bulk method, previously developed by us and applied successfully to other systems, to determine experimentally the stopping power of 4He, 12C and 16O in GaN, in the energy ranges 0.6-2.3 MeV, 0.9-14.9 MeV, and 0.6-14.9 MeV, respectively. The results of our measurements and bulk method analysis are presented.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-1191005-2876 - Procesi interakcije ionskih snopova i nanostrukture (Milko Jakšić, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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