2009
DOI: 10.1134/s106377450904004x
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Refinement of the crystal structures of the La3Ta0.5Ga5.5O14 and La3Nb0.5Ga5.5O14 compounds

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Cited by 24 publications
(18 citation statements)
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“…In the model proposed for La 3 Ta 0.5 Ga 5.5 O 14 and La 3 Nb 0.5 Ga 5.5 O 14 in [7], the dis placements of the first and third cations in the 3e and 3f sites were described by a fourth rank tensor. This model is labeled as 4242222 [9].…”
Section: Resultsmentioning
confidence: 99%
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“…In the model proposed for La 3 Ta 0.5 Ga 5.5 O 14 and La 3 Nb 0.5 Ga 5.5 O 14 in [7], the dis placements of the first and third cations in the 3e and 3f sites were described by a fourth rank tensor. This model is labeled as 4242222 [9].…”
Section: Resultsmentioning
confidence: 99%
“…The maximum difference in the coordinates determined in [4] and in the present study is 6σ. The shifts of the coordinates reported in [4] are attributed to the use of low resolution X ray diffraction data, which was analyzed in [7].…”
Section: Resultsmentioning
confidence: 99%
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“…It does not show a phase transition from room temperature to its melting point. Dudka et al 3 reported that Langatate crystal grown under 10% O 2 / N 2 atmosphere condition showed 0.523:0.477 ratio for Ga and Ta on the 1a octahedral site. The LTG crystal belongs to the P321 space group, Ca 3 Ga 2 Ge 4 O 14 -type disordered structure like other langasite ͑La 3 Ga 5 SiO 14 , LGS͒ family materials such as Sr 3 Ga 2 Ge 4 O 14 and La 3 Nb 0.5 Ga 5.5 O 14 but its crystal structure differs from ordered structure e.g., Sr 3 TaGa 3 Si 2 O 14 , Ca 3 TaAl 3 Si 2 O 14 , etc.…”
Section: Introductionmentioning
confidence: 99%