The Raman spectra of monoclinic NdAl_(3)(BO_(3))_(4 )(NAB)have been recorded and interpreted・A factor group analysis of the NAB space group shows that there are 25A_(g) and 26B_(g) Raman-active modes,and 34A_(U) and 3...The Raman spectra of monoclinic NdAl_(3)(BO_(3))_(4 )(NAB)have been recorded and interpreted・A factor group analysis of the NAB space group shows that there are 25A_(g) and 26B_(g) Raman-active modes,and 34A_(U) and 35B_(U) IR-active modes.A discussion of the assignment of the individual Raman lines was given・The predicted factor group splittings for the internal modes of BO_(3 )anion were observed and interpreted.展开更多
文摘The Raman spectra of monoclinic NdAl_(3)(BO_(3))_(4 )(NAB)have been recorded and interpreted・A factor group analysis of the NAB space group shows that there are 25A_(g) and 26B_(g) Raman-active modes,and 34A_(U) and 35B_(U) IR-active modes.A discussion of the assignment of the individual Raman lines was given・The predicted factor group splittings for the internal modes of BO_(3 )anion were observed and interpreted.
