Etudes Diélectriques de Cristaux de Type Pb₅A1₃F₁₉

Lead difluoride and related systems

“…Later on, the coordinates of the peritectic and eutectic equilibria in this system were reproduced with a good accuracy (AE 3 mol.%, AE 10 8C). 186 Single crystals of an incongruently melting compound were grown from a flux containing an excess of PbF 2 . It was determined that this compound has the composition Pb 5 Al 3 F 19 .…”