First-principles investigation of ferroelectricity in epitaxially strained Pb ₂TiO ₄

Engineering & Materials Science

• Density functional theory 26%
• Ferroelectric materials 46%
• Ferroelectricity 100%
• Ground state 26%
• Infrared radiation 15%
• Lattice constants 25%
• Phonons 82%
• Polarization 15%
• Tensile strain 21%

Chemical Compounds

• Density Functional Theory 10%
• Ground State 13%
• I4/Mmm 24%
• I4mm 33%
• Lattice Constant 19%
• Phonon 59%
• Polarization 13%
• Space Group 25%
• Strain 24%

Physics & Astronomy

• density functional theory 13%
• ferroelectricity 60%
• ground state 11%
• phonons 35%
• polarization 9%
• symmetry 10%