Published January 1, 2017
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Magnetic and magneto-optical properties of Bi and Pb-containing aluminophosphate glass
Creators
- 1. Natl Inst R&D Optoelect INOE 2000, Magurele, Romania
- 2. Natl Inst Laser Plasma & Radiat Phys, Bucharest, Romania
- 3. Natl Inst Mat Phys, Bucharest, Romania
- 4. Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, Bucharest, Romania
- 5. SC ProOpt SA, Bucharest, Romania
Description
Bi3+, Pb2+ and Bi3+-Pb2+-containing aluminophosphate glasses were obtained by unconventional wet method, the molar formula of the glasses being: i) 58LiPO(3), 29Al(PO3)(3), 10Ba(PO3)(2), 3Bi(2)O(3); ii) 58LiPO(3), 29Al(PO3)(3), 10Ba(PO3)(2), 3PbO and iii) 6LiPO(3), 3Al(PO3)(3), 1Ba(PO3)(2), 10Bi(PO3)(3), 80Pb(PO3)(2). The glass samples were investigated to determine the density, the thermal expansion coefficients and the chemical stability. The magnetic measurements for Bi and Pb-single doped glasses revealed a diamagnetic behavior and those of Bi-Pb-containing glass disclosed a diamagnetic behavior superposed a small paramagnetic contribution, observed in low magnetic fields that can be attributed to the impurities presented in the matrix. The Verdet constant for the analyzed glasses appeared to have positive values proving a diamagnetic behavior of the investigated material. (C) 2016 Published by Elsevier B.V.
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