Applied Physics Letters

Enhancement of multiferroic response in La-doped PbTiO3–TbFeO3 perovskite

N Niraj Kumar S Savio Bastin (Department of Metallurgical and Materials Engineering, Indian Institute of Technology Patna 1 , Patna, Bihar,) A Amit Kumar A Ajay Kumar Kalyani (Department of Metallurgical and Materials Engineering, Indian Institute of Technology Patna 1 , Patna, Bihar,)

Abstract

A novel solid solution of La-doped 0.80PbTiO3-0.20Tb(1−x)LaxFeO3, in the range 0.02 ≤ x ≤ 0.15, was studied for ferroelectric, electromechanical, and magnetic properties. Notably, at x = 0.08, the material exhibits enhanced characteristics, including a maximum remanent polarization of 37 μC/cm2. Structural analysis indicates that x = 0.08 corresponds to a phase boundary region separating the coexistence of tetragonal (P4mm) + cubic (Pm-3m) phases and a single tetragonal phase (P4mm), highlighting the critical role of phase boundary region in enhancing properties.

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Article Details

Volume / Issue Vol. 129, Issue 6
Published August 10, 2026
ISSN 0003-6951
Publisher American Institute of Physics

Journal Info

Applied Physics Letters

American Institute of Physics
ISSN: 0003-6951 Physical Sciences

Authors (4)

N

Niraj Kumar

S

Savio Bastin

Department of Metallurgical and Materials Engineering, Indian Institute of Technology Patna 1 , Patna, Bihar,

A

Amit Kumar

A

Ajay Kumar Kalyani

Department of Metallurgical and Materials Engineering, Indian Institute of Technology Patna 1 , Patna, Bihar,

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