Dislocation density in KTaO3 produces a non-monotonic brittle-ductile-brittle mechanical response and monotonically reduces thermal conductivity, enabling simultaneous mechanical and functional optimization.
Moss, Scattering of Phonons by Dislocations, Journal of Applied Physics 37(4168) (1966)
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Tunable dislocations overcome mechano-functional tradeoff in perovskite oxides
Dislocation density in KTaO3 produces a non-monotonic brittle-ductile-brittle mechanical response and monotonically reduces thermal conductivity, enabling simultaneous mechanical and functional optimization.