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1993•Japanese Journal of Applied PhysicsOpen access

Single Crystals of CuAlS2 Doped with Rare-Earth Ions

Tsuyoshi Ohgoh, Yuki Kudo, Katsuaki Sato

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Abstract

Photoluminescence spectra have been studied in CuAlS2 single crystals doped with a series of rare-earth ions grown by the chemical vapor transport technique. Several sharp emissions originated from electronic transitions between the L-S coupling terms of 4f-shell originated multiplets have been observed for Tb3+, Tm3+ and Ho3+ ions in CuAlS2 host, whereas the spectra of Ce- and Sm-doped crystals showed no significant difference from the undoped crystals.

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Photoluminescence spectra have been studied in CuAlS2 single crystals doped with a series of rare-earth ions grown by the chemical vapor transport technique. Several sharp emissions originated from electronic transitions between the L-S coupling terms of 4f-shell originated multiplets have been observed for Tb3+, Tm3+ and Ho3+ ions in CuAlS2 host, whereas the spectra of Ce- and Sm-doped crystals showed no significant difference from the undoped crystals.

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Available abstract

Photoluminescence spectra have been studied in CuAlS2 single crystals doped with a series of rare-earth ions grown by the chemical vapor transport technique. Several sharp emissions originated from electronic transitions between the L-S coupling terms of 4f-shell originated multiplets have been observed for Tb3+, Tm3+ and Ho3+ ions in CuAlS2 host, whereas the spectra of Ce- and Sm-doped crystals showed no significant difference from the undoped crystals.

Key concepts: Doping, Ion, Photoluminescence, Rare earth, Spectral line, Materials science, Earth (classical element), Analytical Chemistry (journal)

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