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
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