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Space-Charge-Limited Current in Quantum Regime by Solving the Schrödinger-Poisson Equation Based on Finite Element Method

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2 Author(s)
Chieh-Yu Chang ; Fu Jen Catholic Univ., Taipei ; Lin, Ming-Chieh

The Child-Langmuir law gives the maximum electron current, known as the space-charge- limited current. In a previous work of Lau et ah, they extended the classical work of Child and Langmuir to the quantum regime by using the Wentzel-Kramers-Brillouin-Jefferys method. Here, we quantitatively investigate the space-charge-limited current in quantum regime by solving the Schrodinger-Poisson equation based on finite element method.

Published in:

Vacuum Electronics Conference, 2007. IVEC '07. IEEE International

Date of Conference:

15-17 May 2007