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The CD band of the 4T , ( 4F ) 4T , ( P ) transition is weaker than the CD band of the 4T1 ( 4F ) 4A2 ( 4F ) transition , due to a considerable negative contribution of the CD band at 25000 cm - 1 associated with the band- to - band ...
The CD band of the 4T , ( 4F ) 4T , ( P ) transition is weaker than the CD band of the 4T1 ( 4F ) 4A2 ( 4F ) transition , due to a considerable negative contribution of the CD band at 25000 cm - 1 associated with the band- to - band ...
Trang 552
α , cm 1 101 λ , μη 2.5 1.5 1.0 0.8 0.6 0.5 ( a ) 3T1 ( F ) → 3T , ( P ) 3T1 ( F ) → T2 ( D ) 3T ( F ) E ( D ) / 100 √ 3T1 ( F ) → 3T2 ( F ) 3T , ( F ) → 3A2 ( F ) Aεc × 103 , cm - 1 3000 8000 13000 18000 v , cm - 1 ( b ) 5.0 2.5 0 ...
α , cm 1 101 λ , μη 2.5 1.5 1.0 0.8 0.6 0.5 ( a ) 3T1 ( F ) → 3T , ( P ) 3T1 ( F ) → T2 ( D ) 3T ( F ) E ( D ) / 100 √ 3T1 ( F ) → 3T2 ( F ) 3T , ( F ) → 3A2 ( F ) Aεc × 103 , cm - 1 3000 8000 13000 18000 v , cm - 1 ( b ) 5.0 2.5 0 ...
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Transmittance b a 4000 3600 3200 2800 2400 2000 1600 v , cm - 1 Fig . 5. IR absorption spectra for H4SiW 12040 nH2O sam- ples in the range 1500-4000 cm ̄1 : ( a ) n = 7–8 , ( b ) 5.4 , and ( c ) n = 3.4 . Transmittance c b a 4000 3600 ...
Transmittance b a 4000 3600 3200 2800 2400 2000 1600 v , cm - 1 Fig . 5. IR absorption spectra for H4SiW 12040 nH2O sam- ples in the range 1500-4000 cm ̄1 : ( a ) n = 7–8 , ( b ) 5.4 , and ( c ) n = 3.4 . Transmittance c b a 4000 3600 ...
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Vol 48 No 4 | 455 |
Structure of a HighPressure Hydroxide Ta₂O5 23H₂O | 464 |
Synthesis and Physicochemical Properties | 472 |
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