TY - JOUR AU - Emmanuel Spanakis AU - Marios Barberoglou AU - Vassilia Zorba AU - Panagiotis Tzanetakis AU - Costas Fotakis BT - Applied Physics Letters DA - 01/2010 DO - 10.1063/1.3291672 IS - 3 LA - eng PY - 2010 T2 - Applied Physics Letters TI - Metal coated silicon spike cold-electron emitters show improvement of performance with operation VL - 96 ER -