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Solid State Communications
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Acoustic anharmonicity and the ΔE effect in tetragonal SrTiO3

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Abstract

The interaction of random strain with domains is responsible for large variations of sound velocities (ΔE effect) and for acoustic anharmonicity in tetragonal SrTiO3. It also accounts for amplitude-dependent damping and r.f. conductance. All effects depend on sample history. © 1973.

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Solid State Communications

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