BSCCO ceramics doped with ferromagnetic manganite phasesStaneva, Anna; Stoyanova-Ivanova, Angelina; Terzieva, Stanimira; Shoumarova, Janna; Grigorov, K.; Zaleski, Andrzej; Mikli, Valdek; Angelov, Christo; Dimitriev, YankoJournal of optoelectronics and advanced materials2009 / 10, p. 1541-1544 https://www.researchgate.net/publication/279900785_BSCCO_ceramics_doped_with_ferromagnetic_manganite_phases Characterization and comparison of as received and clinically retrieved Bio-active™ orthodontic archwiresGeorgieva, Mirela; Stoyanova-Ivanova, Angelina; Cherneva, Sabina; Petrov, Valeri; Petrova, Violeta; Andreeva, Laura; Mihailov, Valentin; Petkov, Alexander; Mikli, ValdekBiotechnology and biotechnological equipment2021 / p. 1301-1311 : ill https://doi.org/10.1080/13102818.2021.1964381 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Conductive ceramic based on the Bi-Sr-Ca-Cu-O HTSC system as an additive to the zinc electrode mass in the rechargeable Ni-Zn batteries – Electrochemical impedance studyStoyanova-Ivanova, Angelina; Vasev, Alexander; Lilov, Peter; Petrova, Violeta; Marinov, Yordan; Stoyanova, Antonia; Ivanova, Galia; Mikli, ValdekComptes Rendus de L'Academie Bulgare des Sciences2019 / p. 174-181 https://doi.org/10.7546/CRABS.2019.02.05 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Influence of the treatment period on the morphology and the chemical composition of the thermally activated orthodontic archwiresPetrov, Valery; Terzieva, Stanimira; Tumbalev, V.; Mikli, Valdek; Andreeva, Laura; Stoyanova-Ivanova, AngelinaBulgarian chemical communications2015 / p. 234-238 : ill Investigation of mechanical and physicochemical properties of clinically retrieved titanium-niobium orthodontic archwiresStoyanova-Ivanova, Angelina; Cherneva, Sabina; Petrunov, Vladimir; Petrova, Violeta; Ilievska, Ivana; Mikli, Valdek; Iankov, RoumenActa of bioengineering and biomechanics2020 / p. 31−39 https://doi.org/10.37190/ABB-01486-2019-03 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Microstructure and superconductivity of bulk BPSCCO/LPMO compositeStoyanova-Ivanova, Angelina; Staneva, Anna; Shoumarova, Janna; Blagoev, Blagoy; Zaleski, Andrzej; Mikli, Valdek; Dimitriev, YankoPhilosophical magazine letters2011 / p. 190-199 : ill Microstructure and thermal properties of quasi-equal rare earth substitution Y0.5Gd0.5Ba2Cu3O6.94 superconductorTerzieva, Stanimira; Stoyanova-Ivanova, Angelina; Shivachev, Boris; Terzijska, Bonka; Zaleski, Andrzej; Misiorek, Halina; Mikli, ValdekCentral European journal of physics2009 / 1, p. 84-88 https://www.degruyter.com/document/doi/10.2478/s11534-008-0133-y/html Morphology of Y1Ba2Cu3Oz and Y0,7Ba2Cu3Oz bulk samples depending on Ca-substitutionTerzieva, Stanimira; Stoyanova-Ivanova, Angelina; Zalamova, K.; Mikli, Valdek; Angelov, Christo; Kovachev, V.Journal of optoelectronics and advanced materials2005 / 1, p. 477-480 Phase formation and microstructure in RE1-xCaxBa2Cu3Oz (RE=Y, Eu, Er; x=0, 0.2, 0.3) superconducting ceramicsStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Staneva, Anna; Mikli, Valdek; Traksmaa, Rainer; Dimitriev, Y.B.; Kovachev, V.T.Central European journal of chemistry2006 / 1, p. 167-173 : ill https://www.researchgate.net/publication/244030385_Phase_formation_and_microstructure_in_Re1-x_CaxBa2Cu3Oz_ReY_Eu_Er_x0_02_03_superconducting_ceramics/fulltext/563dacdc08aec6f17dd80ea6/Phase-formation-and-microstructure-in-Re1-x-CaxBa2Cu3Oz-ReY-Eu-Er-x0-02-03-superconducting-ceramics.pdf Phase formation and microstructure in Rel-xCaxBa2Cu3Oz (Re=Y, Eu, Er; X=0, 0.2, 0.3) superconducting ceramicsStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Staneva, Anna; Mikli, Valdek; Traksmaa, Rainer; Dimitriev, Y.B.; Kovachev, V.T.Central European science journals. Central European journal of chemistry : CEJC2005 / 1, p. 167-174 Physicochemical characterization on clinically retrieved TriTanium orthodontic archwiresStoyanova-Ivanova, Angelina; Ilievska, Ivana; Petrova, Violeta P.; Gueorgieva, M.; Petrov, Valeri G.; Andreeva, Laura A.; Zaleski, Andrzej Janusz; Mikli, ValdekBulgarian Chemical Communications2018 / p. 73 - 79 http://www.bcc.bas.bg/bcc_volumes/Volume_50_Special_F_2018/P73-79_Pages%20from%20BCC_50_SpIs_F_2018.pdf Journal metrics at Scopus Article at Scopus Physicochemical research of clinically retrieved CU-NI-TI orthodontic archwiresStoyanova-Ivanova, Angelina; Petrov, Valeri G.; Petrova, Violeta P.; Andreeva, Laura A.; Ilievska, Ivana; Zaleski, Andrzej Janusz; Mikli, ValdekActa Medica Bulgarica2021 / p. 68 - 74 https://doi.org/10.2478/amb-2021-0011 Journal metrics at Scopus Article at Scopus Preparation and Rietveld refinement of Ag-exchanged clinoptiloliteDimova, L.; Petrov, O.; Kadiyski, M.; Lihareva, N.; Stoyanova-Ivanova, Angelina; Mikli, ValdekClay minerals2011 / p. 205-212 Structural investigation of tellurium based thin filmsIvanova, Vladislava; Trifonova, Yordanka; Lilova, Vanya; Mikli, Valdek; Stoyanova-Ivanova, AngelinaJournal of chemical technology and metallurgy2018 / p. 749-754 : ill https://journal.uctm.edu/node/j2018-4/17_18-122_p_749-754.pdf Journal metrics at Scopus Article at Scopus Studies of structural and morphological properties of cuprate conductive ceramics after electrochemical treatment in alkaline electrolyteStoyanova-Ivanova, Angelina; Lilov, Peter; Vasev, Alexander; Stoyanova, Antonina; Ivanova, Galia; Karashanova, Daniela; Mikli, ValdekMaterials chemistry and physics2020 / art. 121934 https://doi.org/10.1016/j.matchemphys.2019.121934 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Study of the impact of the treatment period on the surface characteristics of nitinol heat-activated orthodontic wiresPetrov, Valery; Andreeva, Laura; Terzieva, Stanimira; Stoyanova-Ivanova, Angelina; Kovacheva, Daniela; Mikli, Valdek; Ilievska, IvanaInternational journal of science and research (IJSR)2015 / p. 3190-3193 : ill http://www.ijsr.net/archive/v4i4/SUB153329.pdf Superconductivity and magnetic studies of bulk Y123/ BaCuO2 compositeStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Georgieva, S.; Mikli, ValdekRomanian journal of physics2018 / art. 602, 15 p. : ill http://www.nipne.ro/rjp/2018_63_1-2/RomJPhys.63.602.pdf Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Synthesis and superconducting properties of Nd0.33Eu0.08Gd0.58Ba2Cu3Oz materialsStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Shivachev, Boris; Mikli, Valdek; Vladimirova, LatinkaCentral European journal of physics2008 / 1, p. 76-79 : ill https://www.degruyter.com/document/doi/10.2478/s11534-007-0044-3/html Texture and structure of hot-rolling YBCO tapes with Ca-substitutionStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Mikli, Valdek; Traksmaa, Rainer; Kovachev, V.Journal of Bulgarian Academy of Sciences2006 / p. 57-60 The influence of the partial Ca substitution on the microstructure of YBCO tapesTerzieva, Stanimira; Stoyanova-Ivanova, Angelina; Mikli, Valdek; Zahariev, A.; Angelov, Christo; Dimitriev, Yanko; Kovachev, V.Journal of optoelectronics and advanced materials2007 / 2, p. 453-455 The use of high-temperature superconducting cuprate as a dopant to the negative electrode in Ni-Zn batteriesStoyanova-Ivanova, Angelina; Terzieva, Stanimira; Mikli, ValdekBulgarian chemical communications2015 / p. 221-228 : ill Ultrasound assisted mixing of zinc active mass with conductive ceramic additives for Ni-Zn batteryPetrova, V.; Stoyanova-Ivanova, Angelina; Lilov, P.; Petkov, O.; Ivanova, B.; Karamanova, B.; Stoyanova, A.; Mikli, ValdekECS transactions2019 / p. 227-234 https://iopscience.iop.org/article/10.1149/09501.0227ecst https://doi.org/10.1149/09501.0227ecst Conference proceeding at Scopus Article at Scopus Текстура и структура на горещо валцувани УВСО ленти с калциева (Ca) субституция (Texture and structure of hot-rolling YBCO tapes with Ca-substitution)Stoyanova-Ivanova, Angelina; Terzieva, Stanimira; Mikli, Valdek; Traksmaa, Rainer; Kovachev, V.Списание на БАН = Magazine of BAS2005 / [4] p