Investigation of Phonon Vibrational Modes in Ga, Al, Fe, Co, Ni, and Zn Doped (110)-Oriented PBCO Thin Films

Table 2

Important Raman modes in (110)-oriented pure and Ga, Al, Fe, Co, Zn, and Ni doped PBCO thin films.

Pure and metal doped (110) PBCO thin films	In-phase O (2)–O (3) B1g-like mode	In-phase O (2)–O (3) vibration related Ag mode (cm^−1)	Apical oxygen O (4) vibration-related Ag mode (cm^−1)	Disorder at Cu-O chain site-related mode (cm^−1)
(110) PBCO	∼300	∼440	∼524	Absent
(110) Ga doped PBCO	∼300	∼440	∼485	∼605
(110) Al doped PBCO	∼300	∼440	∼495	∼605
(110) Fe doped PBCO	∼295	∼440	∼502	∼600
(110) Co doped PBCO	∼296	∼440	∼497	∼600
(110) Zn doped PBCO	∼303	∼435	∼521	Absent
(110) Ni doped PBCO	—	∼430	∼520	Absent