2005
DOI: 10.1007/s10789-005-0212-z
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Properties of Hydrogenated GaSe Crystals

Abstract: X-ray diffraction evidence is presented for the incorporation of molecular hydrogen into GaSe crystals, which markedly reduces their c -axis resistivity and shifts the excitonic line to higher energies.

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Cited by 22 publications
(34 citation statements)
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“…mid-IR SE generation can be excited also at wavelengths of inter-Stark transitions in the 2 F 7/2 → 2 F 5/2 channel by the cascade generation principle [18,75] within the possible 5d 1 → 2 F 7/2 → 2 F 5/2 laser scheme using UV pumping in 4f 1 → 5d 1 absorption bands. Crystals doped with Pr 3+ ions permit one to excite SE at the wavelengths of their 18 generating intermanifold 4f 2 -4f 2 transitions (Fig.…”
Section: Laser Channels Of Ce 3+ and Pr 3+ Ionsmentioning
confidence: 99%
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“…mid-IR SE generation can be excited also at wavelengths of inter-Stark transitions in the 2 F 7/2 → 2 F 5/2 channel by the cascade generation principle [18,75] within the possible 5d 1 → 2 F 7/2 → 2 F 5/2 laser scheme using UV pumping in 4f 1 → 5d 1 absorption bands. Crystals doped with Pr 3+ ions permit one to excite SE at the wavelengths of their 18 generating intermanifold 4f 2 -4f 2 transitions (Fig.…”
Section: Laser Channels Of Ce 3+ and Pr 3+ Ionsmentioning
confidence: 99%
“…The Er 3+ ions in fluoride and oxide crystals, just as for Ho 3+ ions, have spectroscopic properties that are favourable for cascade SE excitation [18,170]. This very attractive principle of laser action in activated crystals was first realized in Er 3+ ions by the direct cascade scheme 4 S 3/2 → 4 I 13/2 → 4 I 15/2 (CaF 2 -YF 3 :Er 3+ [75,178]). The overwhelming majority of cascade laser schemes have been performed with Er 3+ -and Ho 3+ -doped crystals (see also [149, 173, 179-181, 183, 184]).…”
Section: Laser Channels Of Er 3+ Ionsmentioning
confidence: 99%
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“…All of them basically govern by different manifestations of electron-phonon interaction and crystal-field parameters (splitting of Stark levels and transition probabilities between them), etc. The temperature effects with sudden switching of lasing wavelengths were recorded in many Nd 3+ -doped crystals, for example, in temperature range above 300 K in CaF 2 [7], SrF 2 [8], and LaF 3 [9] a) The numeration line here and in Fig. 3 is the same.…”
Section: Temperature Lasing Measurementmentioning
confidence: 99%
“…All these SE wavelengths (see Fig. 7 in [22]) were recorded by the use of combined active media [25] the melt were obtained with the stoichiometric amounts of Ti 4+ charge compensators. All calcium niobates were pulled (rate ≈ 6 mm/h and rotation ≈ 30 min −1 ) in air using an Ir crucible.…”
Section: Introductionmentioning
confidence: 99%