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Synthesis and photoluminescence properties of Ga-doped ZnO nanorods by a low temperature solution method

Kurudirek, Sinem V.; Kurudirek, Murat; Klein, Benjamin D. B.; Summers, Christopher J.; Hertel, Nolan E.


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        "name": "Kurudirek, Sinem V."
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        "affiliation": "Ataturk Univ, Fac Sci, Dept Phys, TR-25240 Erzurum, Turkey", 
        "name": "Kurudirek, Murat"
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      {
        "affiliation": "Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA", 
        "name": "Klein, Benjamin D. B."
      }, 
      {
        "name": "Summers, Christopher J."
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      {
        "affiliation": "Georgia Inst Technol, Nucl & Radiol Engn Program, Atlanta, GA 30332 USA", 
        "name": "Hertel, Nolan E."
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    "description": "Gallium doped ZnO nanorods exhibiting good PL performance were grown via a solution method. The as-grown, Ga-doped, and undoped ZnO nanorods displayed a broad yellow-orange emission and a UV emission peak, respectively. By applying an annealing process, the broad yellow-orange emission almost disappeared and the UV emission increased significantly (for ZnO:Ga (1.2%) peak intensity ratio congruent to 56). With Ga doping, the UV emission peak shifted from 3.27 eV to 3.28 eV. Also, experimental results revealed that a sample doped with Ga at 1.2% by mass exhibited a stronger PL intensity than either the undoped ZnO (higher by 57% acc. to peak intensities) sample or a ZnO sample doped with Ga at 2% (higher by 88% acc. to peak intensities). Both doped and undoped samples were also tested as alpha particle scintillators, and similarly the ZnO:Ga (1.2%) nanorods were found to have higher scintillation response than ZnO:Ga (2%) or undoped ZnO.", 
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      "pages": "158-162", 
      "title": "NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT", 
      "volume": "904"
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