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Diagram of the PbF2–SnF2 system


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Abstract

A phase diagram of the PbF2–SnF2 system has been studied by differential thermal analysis and X-ray powder diffraction. The system forms Pb1–хSnхF2 (х ≤ 0.33) solid solution and three compounds. Pb2SnF6 decomposes in solid state by a peritectoid reaction at 350°С; Pb3Sn2F10 and PbSnF4 melt by peritectic reactions at 565 and 380°С, respectively. The eutectic coordinates are 180°С, 90 mol % SnF2.

About the authors

P. P. Fedorov

Prokhorov General Physics Institute

Author for correspondence.
Email: ppf@lst.gpi.ru
Russian Federation, ul. Vavilova 38, Moscow, 119991

V. K. Goncharuk

Institute of Chemistry, Far-East Branch

Email: ppf@lst.gpi.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok

I. G. Maslennikova

Institute of Chemistry, Far-East Branch

Email: ppf@lst.gpi.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok

I. A. Telin

Institute of Chemistry, Far-East Branch

Email: ppf@lst.gpi.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok

T. Yu. Glazunova

Moscow State University

Email: ppf@lst.gpi.ru
Russian Federation, Moscow, 119991

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