The Sm-Se System

The following general references deal preferentially with properties of samarium mono- 

Jayaraman, Changes of the Valence State in Lanthanoid-Containing Systems Under High Pressure, Angew. Chem. 92 [1980] 626/31 Angew. Chem. Intern. Ed. Engl. 19 [1980] 587. 

Suryanarayanan, Valence Related Optical and Other Studies of Samarium and Thulium Chalcogenides, Phys. Status Solidi B 85 [1978] 9/43. 

Oskotskii, I. A. Smirnov, Semiconductor-Metal Phase Transition in Samarium Monosulfide, in V. P. Zhuze, I. A. Smirnov, Redkozemel nye Poluprovodniki, Nauka, Leningrad 1977, pp. 105/45. 

Smirnov, V. S. Oskotskii, Semiconductor-Metal Phase Transition in Rare Earth Semiconductors [Samarium Monochalcogenides], Usp. Fiz. Nauk 124 [1978] 241/79 Soviet Phys.-Usp. 21 [1978] 117/40. 

---