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An IGA-based computational framework for coupling size effects and nonlinear drift-diffusion in three-dimensional piezoelectric semiconductors
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DOI：10.1016/j.enganabound.2026.106844.png)
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Abstract
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• A computational framework to model the nonlinear multi-field coupling in three-dimensional PSCs is proposed. • NURBS are used for exact geometry and field approximation, ensuring the required C¹ continuity. • The effects of the flexoelectric coefficient, internal length scale, and initial carrier concentration on the electromechanical response is systematically explored.
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