2003
DOI: 10.1016/s0040-6090(03)00210-4
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Optical spectroscopy of chalcopyrite compounds CuInS2, CuInSe2 and their solid solutions

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Cited by 18 publications
(24 citation statements)
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“…Such a magnitude inequivocally demonstrates the formation of a muonium state with a quasi-atomic character, similarly to the neutral interstitial hydrogen configuration described previously in the paper for CIS and CIGS (see Figure 5). The difference in the respective magnitudes of A iso after rescaling by the ratio of the muon-to-proton magnetic moments (∼ 3.18) [4] should be traced to the different chemical composition (sulphur instead of selenium), the larger band gap of the CuInS 2 compound (1.55 eV) and smaller lattice parameters [55,56]. Overall, the obtained A iso values for the neutral hydrogen/muonium states in CIS and CuInS 2 are consistent with reported A iso constants for normal muonium states in several elemental (Si, Ge) and compound semiconductors (InSb, GaAs) that reach as high as 70 % of the free-atom value [49].…”
Section: µSr Experimental Resultsmentioning
confidence: 99%
“…Such a magnitude inequivocally demonstrates the formation of a muonium state with a quasi-atomic character, similarly to the neutral interstitial hydrogen configuration described previously in the paper for CIS and CIGS (see Figure 5). The difference in the respective magnitudes of A iso after rescaling by the ratio of the muon-to-proton magnetic moments (∼ 3.18) [4] should be traced to the different chemical composition (sulphur instead of selenium), the larger band gap of the CuInS 2 compound (1.55 eV) and smaller lattice parameters [55,56]. Overall, the obtained A iso values for the neutral hydrogen/muonium states in CIS and CuInS 2 are consistent with reported A iso constants for normal muonium states in several elemental (Si, Ge) and compound semiconductors (InSb, GaAs) that reach as high as 70 % of the free-atom value [49].…”
Section: µSr Experimental Resultsmentioning
confidence: 99%
“…No evidence of secondary phases was observed from the XRD data. Furthermore, it is very important to remark that the (1 1 2) peak at 2Â = 26.9 • is sample based on the composition to band gap relation [28,29]. In order to get insight into its microstructure profile, the cross section of the annealed CIGS film is present, as shown in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…Throughout the wavelength range between 1230 and 1510 nm, CL intensities were found to be decreased at non-R3 GBs with respect to the signals in grain interiors. The band-gap energy of CISe is about 1.04 eV at room temperature, 24 increasing to about 1.05 eV at 8 K. 25 The local maxima in the CL spectrum are positioned at 0.90 and 0.97 eV (1377 and 1283 nm), which can be related 26 to donoracceptor pair transitions. The CL results in the present work do not indicate any preferential luminescence at the GBs with respect to the grain interiors.…”
Section: E Ebic CL and Ebsd Data From Identical Positionsmentioning
confidence: 98%