Chalcogen, Rare earth, Phase transitions, Pr-S

• Bi-Pr-S
• Pd-Pr-S
• In-Pr-S
• H-N-O-Pr-S
• temperature for congruent melting
• fusion
• phase diagram
• temperature for structural transition
• rare earth
• chalcogen
• lanthanoid
• sulfide
• monoclinic
• hexagonal
• orthorhombic
• tetragonal
• cubic