TY - JOUR
AU - D.J Keeble
AU - B Nielsen
AU - A Krishnan
AU - K.G Lynn
AU - S Madhukar
AU - Ramamoorthy Ramesh
AU - C.F Young
AB - A study of vacancy-related defects in ferroelectric capacitors was performed using a variable energy positron beam (VEPB). Heterostructures of (Pb0.9La0.1)(Zr0.2Ti0.8)O 3 (PLZT) ferroelectric with La0.5Sr0.5CoO3 (LSCO) electrodes were deposited by pulsed laser deposition and the effects of oxygen deficiency studied using structures grown with 760 and 1×10-5Torr oxygen. The VEPB depth profile showed an increase in vacancy-related defects with increased oxygen nonstoichiometry. A study of LSCO and PLZT thin films was also performed. The formation of vacancy clusters in the LSCO top electrode, and VPb-VO defects in the PLZT layer, with increased oxygen deficiency is inferred. © 1998 American Institute of Physics.
BT - Applied Physics Letters
DO - 10.1063/1.121820
LA - eng
M1 - 3
N1 - cited By 45
N2 - A study of vacancy-related defects in ferroelectric capacitors was performed using a variable energy positron beam (VEPB). Heterostructures of (Pb0.9La0.1)(Zr0.2Ti0.8)O 3 (PLZT) ferroelectric with La0.5Sr0.5CoO3 (LSCO) electrodes were deposited by pulsed laser deposition and the effects of oxygen deficiency studied using structures grown with 760 and 1×10-5Torr oxygen. The VEPB depth profile showed an increase in vacancy-related defects with increased oxygen nonstoichiometry. A study of LSCO and PLZT thin films was also performed. The formation of vacancy clusters in the LSCO top electrode, and VPb-VO defects in the PLZT layer, with increased oxygen deficiency is inferred. © 1998 American Institute of Physics.
PY - 1998
SP - 318
EP - 320
T2 - Applied Physics Letters
TI - Vacancy defects in (Pb, La)(Zr, Ti)O3 capacitors observed by positron annihilation
VL - 73
SN - 00036951
ER -