Mechanochemical and chemical activation of lignocellulosic material to prepare powdered activated carbons for adsorption applications G Tzvetkov, S Mihaylova, K Stoitchkova, P Tzvetkov, T Spassov Powder Technology 299, 41-50, 2016 | 89 | 2016 |
Effect of Co-content on the structure and activity of Co–Al hydrotalcite-like materials as catalyst precursors for CO oxidation M Gabrovska, R Edreva-Kardjieva, K Tenchev, P Tzvetkov, A Spojakina, ... Applied Catalysis A: General 399 (1-2), 242-251, 2011 | 86 | 2011 |
Ni–Al layered double hydroxides as catalyst precursors for CO 2 removal by methanation V Chihaia, K Sohlberg, M Gabrovska, R Edreva-Kardjieva, D Crişan, ... Reaction Kinetics, Mechanisms and Catalysis 105 (1), 79-99, 2012 | 84 | 2012 |
The state of (K)(Ni) Mo/γ-Al2O3 catalysts after water–gas shift reaction in the presence of sulfur in the feed: XPS and EPR study D Nikolova, R Edreva-Kardjieva, G Gouliev, T Grozeva, P Tzvetkov Applied Catalysis A: General 297 (2), 135-144, 2006 | 79 | 2006 |
Carbon foam derived from pitches modified with mineral acids by a low pressure foaming process B Tsyntsarski, B Petrova, T Budinova, N Petrov, M Krzesinska, S Pusz, ... Carbon 48 (12), 3523-3530, 2010 | 60 | 2010 |
Synthesis of nanoporous carbons from mixtures of coal tar pitch and furfural and their application as electrode materials B Petrova, B Tsyntsarski, T Budinova, N Petrov, CO Ania, JB Parra, ... Fuel Processing Technology 91 (11), 1710-1716, 2010 | 54 | 2010 |
Effect of silver modification on structure and catalytic performance of Ni-Mg/diatomite catalysts for edible oil hydrogenation M Stanković, M Gabrovska, J Krstić, P Tzvetkov, M Shopska, T Tsacheva, ... Journal of Molecular Catalysis A: Chemical 297 (1), 54-62, 2009 | 52 | 2009 |
Effect of the support and the reduction temperature on the formation of metallic nickel phase in Ni/silica gel precursors of vegetable oil hydrogenation catalysts M Gabrovska, J Krstić, P Tzvetkov, K Tenchev, M Shopska, N Vukelić, ... Russian Journal of Physical Chemistry A 85, 2392-2398, 2011 | 21 | 2011 |
Terbium and europium co-doped NaAlSiO4 nano glass-ceramics for LED application I Koseva, P Tzvetkov, P Ivanov, A Yordanova, V Nikolov Optik 137, 45-50, 2017 | 14 | 2017 |
Thermal behavior of germanates with olivine structure I Koseva, V Nikolov, N Petrova, P Tzvetkov, M Marychev Thermochimica Acta 646, 1-7, 2016 | 14 | 2016 |
Magneto-optical and muliferroic properties of transition-metal (Fe, Co, or Ni)-doped ZnO layers deposited by ALD A Paskaleva, K Buchkov, A Galluzzi, D Spassov, B Blagoev, T Ivanov, ... ACS omega 7 (47), 43306-43315, 2022 | 13 | 2022 |
Some investigations on Tb3+ and Eu3+ doped Na2SiO3 as a material for LED application I Koseva, P Tzvetkov, P Ivanov, A Yordanova, V Nikolov Optik 168, 376-383, 2018 | 13 | 2018 |
Nanosized pure and Cr doped Al2− xInx (WO4) 3 solid solutions I Koseva, A Yordanova, P Tzvetkov, V Nikolov, D Nihtianova Materials Chemistry and Physics 132 (2-3), 808-814, 2012 | 13 | 2012 |
Synthesis and powder XRD characterization of Al2− xInx (WO4) 3 solid solutions P Tzvetkov, D Ivanova, D Kovacheva, V Nikolov Journal of alloys and compounds 470 (1-2), 492-496, 2009 | 13 | 2009 |
Effect of activated carbons derived from different precursors on the hydrogen sorption properties of magnesium E Grigorova, T Mandzhukova, B Tsyntsarski, T Budinova, M Khristov, ... Fuel processing technology 92 (10), 1963-1969, 2011 | 12 | 2011 |
Combustion assisted synthesis and characterization of Pb1. 33Sr0. 67− xBaxFe2O5 (0≤ x≤ 0.67) perovskite-type materials P Tzvetkov, N Petrova, D Kovacheva Journal of alloys and compounds 485 (1-2), 862-866, 2009 | 12 | 2009 |
Rietveld Study of the Changes of Phase Composition, Crystal Structure, and Morphology of BiFeO3 by Partial Substitution of Bismuth with Rare-Earth Ions M Kireva, V Tumbalev, V Kostov-Kytin, P Tzvetkov, D Kovacheva Minerals 11 (3), 278, 2021 | 11 | 2021 |
Glass formation and glass ceramics in the system CaO-GeO2-Li2O-B2O3-Re2O3 (Re= Eu3+, Tb3+, Dy3+) I Koseva, V Nikolov, P Tzvetkov, M Gancheva, P Ivanov, P Petrova, ... Journal of Non-Crystalline Solids 552, 120442, 2021 | 11 | 2021 |
Investigation of the structural, optical and piezoelectric properties of ALD ZnO films on PEN substrates BS Blagoev, M Aleksandrova, P Terziyska, P Tzvetkov, D Kovacheva, ... Journal of Physics: Conference Series 992 (1), 012027, 2018 | 11 | 2018 |
Novel solvents for the single crystal growth of germanate phases by the flux method VA Ivanov, MO Marychev, PV Andreev, I Koseva, P Tzvetkov, V Nikolov Journal of Crystal Growth 426, 25-32, 2015 | 9 | 2015 |