Optical and magneto-optical properties of Co/Pt multilayered films |
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| Authors: | Y P Lee K W Kim R Gontarz Y V Kudryavtsev |
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| Institution: | 1. Department of Physics, Hanyang University, 17 Haengdang-Dong, Sungdong-Ku, Seoul 133-791, Republic of Korea;2. Department of Physics, Sunmoon University, Asan 336-840, Republic of Korea;3. Institute of Molecular Physics, Poznan, Poland;4. Institute of Metal Physics, Kiev, Ukraine;1. Department of Ecology, University of Debrecen, Debrecen, Egyetem sq. 1, H-4010, Hungary;2. Department of Hydrobiology, University of Debrecen, Debrecen, Egyetem sq. 1, H-4010, Hungary;3. Kossuth Lajos Secondary Grammar-School, Baross Gábor Street 36, Tiszafüred H-5350, Hungary;4. Ferenc Rákóczi II. Transcarpathian Hungarian Institute, István Fodor Research Institute, Kossuth Square 6, UA-90202 Beregovo, Ukraine;5. BioAqua Pro LTD, Soó Rezső Street 21, Debrecen H-4032, Hungary;6. Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Egyetem sq. 1, H-4010, Hungary;7. MTA-DE Biodiversity and Ecosystem Services Research Group, Debrecen, Egyetem sq. 1, H-4032, Hungary;1. School of Management, Jinan University, China;2. School of Accounting, Capital University of Economics and Business, China;3. School of Management, Fudan University, China |
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| Abstract: | Both experimental and computer-simulated magneto-optical (MO) and optical spectroscopies of Co/Pt multilayered films (MLF) with a nearly constant Pt sublayer thickness and variable Co sublayer thickness, as well as pure Co and Pt, and Co0.51Pt0.49 alloy films, have been performed in the energy range 1.1–4.7 eV. The simulations were achieved by solving the multireflection task for various models of the MLF. The comparison between experimental and computer-simulated optical properties of the Co/Pt MLF allowed us to evaluate the thickness of the interfacial regions with the alloyed components. The diagonal and off-diagonal components of the optical conductivity tensor were calculated not only for the pure Co and Co0.51Pt0.49 alloy films, and the whole Co/Pt MLF, but also for the spin-polarized Pt layers in the Co/Pt MLF. |
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| Keywords: | Co/Pt multilayered films Spin-polarized Pt layers Optical properties Magneto-optical properties |
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