| High-resolution study of the correlation satellites in photoelectron spectra of the rare gases A Kikas, SJ Osborne, A Ausmees, S Svensson, OP Sairanen, S Aksela Journal of electron spectroscopy and related phenomena 77 (3), 241-266, 1996 | 154 | 1996 |
| Ti 2p and O 1s X-ray absorption of TiO2 polymorphs R Ruus, A Kikas, A Saar, A Ausmees, E Nommiste, J Aarik, A Aidla, ... Solid State Communications 104 (4), 199-203, 1997 | 128 | 1997 |
| Physical and electrochemical characteristics of supercapacitors based on carbide derived carbon electrodes in aqueous electrolytes J Eskusson, A Jänes, A Kikas, L Matisen, E Lust Journal of Power Sources 196 (8), 4109-4116, 2011 | 114 | 2011 |
| Transition-metal-and nitrogen-doped carbide-derived carbon/carbon nanotube composites as cathode catalysts for anion-exchange membrane fuel cells J Lilloja, E Kibena-Põldsepp, A Sarapuu, JC Douglin, M Käärik, ... Acs Catalysis 11 (4), 1920-1931, 2021 | 98 | 2021 |
| The vibrationally resolved C 1s core photoelectron spectra of methane and ethane SJ Osborne, S Sundin, A Ausmees, S Svensson, LJ Saethre, O Svaeren, ... The Journal of chemical physics 106 (5), 1661-1668, 1997 | 81 | 1997 |
| Bifunctional oxygen electrocatalysis on mixed metal phthalocyanine-modified carbon nanotubes prepared via pyrolysis Y Kumar, E Kibena-Põldsepp, J Kozlova, M Rahn, A Treshchalov, A Kikas, ... ACS Applied Materials & Interfaces 13 (35), 41507-41516, 2021 | 76 | 2021 |
| Nitrogen-doped carbide-derived carbon/carbon nanotube composites as cathode catalysts for anion exchange membrane fuel cell application J Lilloja, E Kibena-Poldsepp, A Sarapuu, A Kikas, V Kisand, M Käärik, ... Applied Catalysis B: Environmental 272, 119012, 2020 | 76 | 2020 |
| Autoionization phenomena involving the 2p53d configuration of argonlike ions in ionic solids M Elango, A Ausmees, A Kikas, E Nommiste, R Ruus, A Saar, ... Phys. Rev. B 47, 11736, 1993 | 73* | 1993 |
| Auger decay of the dissociating core‐excited states in the HCl and DCl molecules E Kukk, H Aksela, OP Sairanen, S Aksela, A Kivimäki, E Nõmmiste, ... The Journal of chemical physics 104 (12), 4475-4480, 1996 | 67 | 1996 |
| Electrocatalytic oxygen reduction reaction on iron phthalocyanine-modified carbide-derived carbon/carbon nanotube composite electrocatalysts R Praats, M Käärik, A Kikas, V Kisand, J Aruväli, P Paiste, M Merisalu, ... Electrochimica Acta 334, 135575, 2020 | 59 | 2020 |
| Non-precious metal cathodes for anion exchange membrane fuel cells from ball-milled iron and nitrogen doped carbide-derived carbons S Ratso, A Zitolo, M Käärik, M Merisalu, A Kikas, V Kisand, M Rähn, ... Renewable Energy 167, 800-810, 2021 | 58 | 2021 |
| Surface analysis of spray deposited copper indium disulfide films A Katerski, A Mere, V Kazlauskiene, J Miskinis, A Saar, L Matisen, A Kikas, ... Thin Solid Films 516 (20), 7110-7115, 2008 | 57 | 2008 |
| Sulphur and nitrogen co-doped graphene-based electrocatalysts for oxygen reduction reaction in alkaline medium R Sibul, E Kibena-Põldsepp, U Mäeorg, M Merisalu, A Kikas, V Kisand, ... Electrochemistry Communications 109, 106603, 2019 | 56 | 2019 |
| Effect of cobalt doping and annealing on properties of titania thin films prepared by sol–gel process R Pärna, U Joost, E Nõmmiste, T Käämbre, A Kikas, I Kuusik, M Hirsimäki, ... Applied Surface Science 257 (15), 6897-6907, 2011 | 54 | 2011 |
| Transition metal-containing nitrogen-doped nanocarbon catalysts derived from 5-methylresorcinol for anion exchange membrane fuel cell application K Kisand, A Sarapuu, D Danilian, A Kikas, V Kisand, M Rähn, ... Journal of Colloid and Interface Science 584, 263-274, 2021 | 53 | 2021 |
| Transition metal and nitrogen-doped mesoporous carbons as cathode catalysts for anion-exchange membrane fuel cells J Lilloja, E Kibena-Põldsepp, A Sarapuu, M Käärik, J Kozlova, P Paiste, ... Applied Catalysis B: Environmental 306, 121113, 2022 | 52 | 2022 |
| Effects of precursors on nucleation in atomic layer deposition of HfO2 J Aarik, A Aidla, A Kikas, T Käämbre, R Rammula, P Ritslaid, T Uustare, ... Applied surface science 230 (1-4), 292-300, 2004 | 52 | 2004 |
| Mesoporous iron-nitrogen co-doped carbon material as cathode catalyst for the anion exchange membrane fuel cell J Lilloja, M Mooste, E Kibena-Põldsepp, A Sarapuu, B Zulevi, A Kikas, ... Journal of Power Sources Advances 8, 100052, 2021 | 50 | 2021 |
| Mesoporous textured Fe-NC electrocatalysts as highly efficient cathodes for proton exchange membrane fuel cells S Akula, M Mooste, B Zulevi, S McKinney, A Kikas, HM Piirsoo, M Rähn, ... Journal of Power Sources 520, 230819, 2022 | 49 | 2022 |
| Study of the structural phase transformation of iron oxide nanoparticles from an Fe2+ ion source by precipitation under various synthesis parameters and temperatures A Šutka, S Lagzdina, T Käämbre, R Pärna, V Kisand, J Kleperis, ... Materials Chemistry and Physics 149, 473-479, 2015 | 48 | 2015 |
