Enviar artigo por via de e-mail Исследование структуры Композитных материалов на основе PbSb2Te4, полученных методом Чохральского
- Autores: Немов С.А.1,2, Андреева В.Д.2, Поволоцкий А.В.3, Алябьев А.Ю.1
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Afiliações:
- Санкт-Петербургский электротехнический университет
- Санкт-Петербургский политехнический университет Петра Великого
- Санкт-Петербургский государственный университет
- Edição: Volume 50, Nº 5 (2024)
- Páginas: 428-437
- Seção: Articles
- URL: https://rjmseer.com/0132-6651/article/view/679498
- DOI: https://doi.org/10.31857/S0132665124050062
- EDN: https://elibrary.ru/NSPJFM
- ID: 679498
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Fig. 1. Phase diagram of Sb2Te3-PbTe [11].
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Fig. 2. Diffraction patterns of samples 1 and 2 – without copper, 3 and 4 – alloyed with Cu (diffraction INDEXES with the * symbol – belong to the Sb2Te3 phase, without an asterisk – PbSb2Te4).
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Fig. 3. View of the 005 reflection of the Sb2Te2 phase.
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Fig. 4. Raman spectra from the surface of the sample (PbTe + Sb2Te3)0.999Cu0.001, obtained for two different cleavages (A – vibrational modes of the crystalline phase of Sb2Te3, B – vibrational modes of the crystalline phase of PbTe)
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Fig. 5. Section of the X-ray diffraction pattern of alloyed samples with reflections of the (CuSb)Te2 phase (lines marked (*) belong to Sb2Te3, not marked – PbSb2Te4): A – 0.5 at.% Cu, B – 1.0 at.% Cu.
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