Multipactor discharge on metals and dielectrics: Historical review and recent theories RA Kishek, YY Lau, LK Ang, A Valfells, RM Gilgenbach Physics of Plasmas 5 (5), 2120-2126, 1998 | 425 | 1998 |
100 years of the physics of diodes P Zhang, Á Valfells, LK Ang, JW Luginsland, YY Lau Applied Physics Reviews 4 (1), 2017 | 215 | 2017 |
Space–charge limited current in nanodiodes: Ballistic, collisional, and dynamical effects P Zhang, YS Ang, AL Garner, Á Valfells, JW Luginsland, LK Ang Journal of Applied Physics 129 (10), 2021 | 166 | 2021 |
Effects of pulse-length and emitter area on virtual cathode formation in electron guns A Valfells, DW Feldman, M Virgo, PG O’shea, YY Lau Physics of Plasmas 9 (5), 2377-2382, 2002 | 145 | 2002 |
Effects of an external magnetic field, and of oblique radio-frequency electric fields on multipactor discharge on a dielectric A Valfells, LK Ang, YY Lau, RM Gilgenbach Physics of Plasmas 7 (2), 750-757, 2000 | 125 | 2000 |
Space-charge effects on multipactor on a dielectric A Valfells, JP Verboncoeur, YY Lau IEEE transactions on plasma science 28 (3), 529-536, 2000 | 82 | 2000 |
Space-charge modulation in vacuum microdiodes at THz frequencies A Pedersen, A Manolescu, Á Valfells Physical review letters 104 (17), 175002, 2010 | 78 | 2010 |
Novel scaling laws for the Langmuir-Blodgett solutions in cylindrical and spherical diodes YB Zhu, P Zhang, A Valfells, LK Ang, YY Lau Physical review letters 110 (26), 265007, 2013 | 76 | 2013 |
Design and operation of a retarding field energy analyzer with variable focusing for space-charge-dominated electron beams Y Cui, Y Zou, A Valfells, M Reiser, M Walter, I Haber, RA Kishek, S Bernal, ... Review of Scientific Instruments 75 (8), 2736-2745, 2004 | 65 | 2004 |
Compact high-resolution retarding field energy analyzer for space-charge-dominated electron beams Y Zou, Y Cui, V Yun, A Valfells, RA Kishek, S Bernal, I Haber, M Reiser, ... Physical Review Special Topics-Accelerators and Beams 5 (7), 072801, 2002 | 45 | 2002 |
Multipactor experiment on a dielectric surface RB Anderson, WD Getty, ML Brake, YY Lau, RM Gilgenbach, A Valfells Review of Scientific Instruments 72 (7), 3095-3099, 2001 | 43 | 2001 |
Molecular dynamics simulations of field emission from a planar nanodiode K Torfason, A Valfells, A Manolescu Physics of Plasmas 22 (3), 2015 | 42 | 2015 |
Energy resources and electricity generation in Arctic areas M de Witt, H Stefánsson, Á Valfells, JN Larsen Renewable Energy 169, 144-156, 2021 | 38 | 2021 |
Effects of a series resistor on electron emission from a field emitter JW Luginsland, A Valfells, YY Lau Applied physics letters 69 (18), 2770-2772, 1996 | 37 | 1996 |
Molecular dynamics simulations of field emission from a prolate spheroidal tip K Torfason, A Valfells, A Manolescu Physics of Plasmas 23 (12), 2016 | 32 | 2016 |
Progress in heavy ion fusion research CM Celata, FM Bieniosek, E Henestroza, JW Kwan, EP Lee, G Logan, ... Physics of Plasmas 10 (5), 2064-2070, 2003 | 30 | 2003 |
A probabilistic geologic model of the Krafla geothermal system constrained by gravimetric data SW Scott, C Covell, E Júlíusson, Á Valfells, J Newson, B Hrafnkelsson, ... Geothermal Energy 7, 1-30, 2019 | 28 | 2019 |
Space-charge effects in the field-assisted thermionic emission from nonuniform cathodes A Sitek, K Torfason, A Manolescu, Á Valfells Physical Review Applied 15 (1), 014040, 2021 | 27 | 2021 |
Machine learning for creation of generalized lumped parameter tank models of low temperature geothermal reservoir systems Y Li, E Júlíusson, H Pálsson, H Stefánsson, A Valfells Geothermics 70, 62-84, 2017 | 22 | 2017 |
Space-charge limited current from a finite emitter in nano-and microdiodes JB Gunnarsson, K Torfason, A Manolescu, Á Valfells IEEE Transactions on Electron Devices 68 (1), 342-346, 2020 | 19 | 2020 |