N. Dimitrova, A. Banti, O.-N. Spyridou,A. Papaderakis, J. Georgieva, S. Sotiropoulos, E. Valova, S. Armyanov, D. Tatchev, A. Hubin, K. Baert, “Photodeposited IrO2 on TiO2 Support as a Catalyst for Oxygen Evolution Reaction” Journal of Electroanalytical Chemistry, 900, 115720 (2021).
Nadya Stankova, Anastas Nikolov, Ekaterina Iordanova, Georgi Yankov, Nikolay Nedyalkov, Petar Atanasov, Dragomir Tatchev, Eugenia Valova, Konstantin Kolev, Stephan Armyanov, Daniela Karashanova, Naoki Fukata, „New Approach toward Laser‐Assisted Modification of Biocompatible Polymers Relevant to Neural Interfacing Technologies“, Polymers, 13, 3004 (2021).
Athanasios Papaderakis, Olga Spyridou, Nikolaos Karanasios, Aikaterini Touni, Angeliki Banti, Nina Dimitrova, Stephan Armyanov, Eugenia Valova, Jenia Georgieva, Sotiris Sotiropoulos, “The effect of carbon content on methanol oxidation and photo-oxidation at Pt-TiO2-C electrodes”, Catalysts, 10, 248 (2020).
N. Dimitrova, J. Georgieva, S. Sotiropoulos, Tz. Boiadjieva-Scherzer, E. Valova, S. Armyanov, O. Steenhaut, A. Hubin, D. Karashanova, “Pt(Cu) catalyst on TiO2 powder support prepared by photodeposition-galvanic replacement method”, Journal of Electroanalytical Chemistry, 823, 624-632 (2018).
N. E. Stankova, P. A. Atanasov, N. N. Nedyalkov, D. Tatchev, K. N. Kolev, E. I. Valova, S. A. Armyanov, K. Grochowska, G. Śliwiński, N. Fukata, D. Hirsch, B. Rauschenbach, “Laser-induced surface modification of biopolymers - Micro/nanostructuring and functionalization”, 20th International Summer School on Vacuum, Electron and Ion Technologies, VEIT 2017; Black Sea ResortSozopol; Bulgaria; 25 September 2017 through 29 September 2017; Code 135756, Journal of Physics: Conference Series, 992, (1), Article # 012051 (2018).
K. Kolev, D. Tachev, S. Armyanov, E. Valova, K. Baert, A. Hubin, “Incubation Phenomena during UV-Pulse Excimer Laser Processing of Silicone Elastomers”, Journal of Applied Polymer Science 134 (9), 1097-4628 (2017).
J. Georgieva, S. Sotiropoulos, E. Valova, S. Armyanov, A. Hubin, O. Steenhaut, M. Raes, A. Papaderakis, “Pt-doped TiO2/WO3 bi-layer catalysts on graphite substrates with enhanced photoelectrocatalytic activity for methanol oxidation under visible light”, Journal of Photochemistry and Photobiology A: Chemistry 346, 70–76 (2017).
J. Georgieva, E. Valova, S. Armyanov, D. Tatchev, S. Sotiropoulos, I. Avramova, N. Dimitrova, A. Hubin, O. Steenhaut, “A simple preparation method and characterization of B and N co-doped TiO2 nanotube arrays with enhanced photoelectrochemical performance”, Applied Surface Science 413, 284-291 (2017).
E. Valova, S. Armyanov , G. Hristova, Ts. Vassilev, O. Steenhaut, J. Dille, A. Hubin, I. Vandendael, “Electroless deposited Ni-Ce-P coatings”, Surface and Coatings Technology 304, 468–475 (2016).
P.A. Atanasov, N.E. Stankova, N.N. Nedyalkov, N. Fukata, D. Hirsch, B. Rauschenbach, S. Amoruso, X. Wang, K.N. Kolev, E.I. Valova, J.S. Georgieva, St.A. Armyanov, “Fs-laser processing of medical grade polydimethylsiloxane (PDMS)”, Applied Surface Science 374, 229-234 (2016).
N.E. Stankova, P.A. Atanasov, Ru.G. Nikov, R.G. Nikov, N.N. Nedyalkov, T.R. Stoyanchov, N. Fukata, K.N. Kolev, E.I. Valova, J.S. Georgieva, St.A. Armyanov, “Optical properties of polydimethylsiloxane (PDMS) during nanosecond laser processing”, Applied Surface Science 374, 96-103 (2016).
I. Mintsouli, J. Georgieva, A. Papaderakis, S. Armyanov, E. Valova, V. Khomenko, S. Balomenou, D. Tsiplakides, S. Sotiropoulos, “Methanol oxidation at platinized copper particles prepared by galvanic replacement”, J. Electrochem. Sci. Eng. 6 (1) 17-28 (2016).
J. Georgieva, E. Valova, I. Mintsouli, S. Sotiropoulos, S. Armyanov, A. Kakaroglou, A. Hubin, O. Steenhaut, J. Dille, “Carbon-supported Pt(Cu) electrocatalysts for methanol oxidation prepared by Cu electroless deposition and its galvanic replacement by Pt”, Journal of Applied Electrochemistry 44 (2), 215-224 (2014).
A. AlZahrani, Y.Alhamed, L.Petrov, S. Armyanov, E. Valova, J. Georgieva, J. Dille, “Mechanical and Corrosion Behavior of Amorphous and Crystalline Electroless Ni-W-P Coatings”, Journal of Solid State Electrochemistry 18,1951–1961 (2014).
J. Georgieva, S. Sotiropoulos, E. Valova, S. Armyanov, N. Karanasios, “Methanol oxidation and photo-oxidation at Pt/WO3 electrocatalysts on graphite substrates”, Journal of the Electroanalytical Chemistry 727, 135–140 (2014).
P. A. Atanasov, N. N. Nedyalkov, E. I. Valova, Z. S. Georgieva, S. A. Armyanov, K. N. Kolev, S. Amoruso, X. Wang, R. Bruzzese, M. Sawczak, G. Sliwinski, “Fs-laser processing of polydimethylsiloxane”, Journal of Applied Physics 116, 023104-1−023104-4 (2014).
B. Geboes; I. Mintsouli; B. Wouters; J. Georgieva; A. Kakaroglou; S. Sotiropoulos; E.Valova; S. Armyanov; T. Breugelmans; A. Hubin “Surface and Electrochemical Characterisation of a Pt-Cu/C Core-Shell Electrocatalyst Prepared by Galvanic Displacement” Applied Catalysis B: Environmental 150–151, 249–256 (2014).
I. Mintsouli, J.Georgieva, S.Armyanov, E.Valova, G.Adveev, A.Hubin, O.Steenhaut, J.Dille, D. Tsiplakides, S. Balomenou, S. Sotiropoulos, Pt-Cu electrocatalysts for methanol oxidation prepared by partial galvanic replacement of Cu/carbon powder precursors, Applied Catalysis B: Environmental 136–137, 160-167 (2013).
S. Sotiropoulos, I. Mintsouli, J. Georgieva, E.Valova, S. Armyanov, A. Kakaroglou, J. Dille, A. Hubin, O. Steenhaut, D. Tsiplakides, S. Balomenou, “Pt–Ni carbon-supported catalysts for methanol oxidation prepared by Ni electroless deposition and its galvanic replacement by Pt”, Journal of Solid State Electrochemistry 17 (2), 435-443 (2013).
S. Ivanov, I. Mintsouli, J. Georgieva, S. Armyanov, E. Valova, G. Kokkinidis, I. Poulios, S. Sotiropoulos, “Platinized titanium dioxide electrodes for methanol oxidation and photo-oxidation”, Journal of Electrochemical Science and Engineering 2 (4), 155-169 (2012).
J. Georgieva, E. Valova, S. Armyanov, N. Philippidis, I. Poulios, S. Sotiropoulos, “Bi-component semiconductor oxide photoanodes for the photoelectrocatalytic oxidation of organic solutes and vapours: a short review with emphasis to TiO2-WO3 photoanodes”, Journal of Hazardous Materials 211–212, 30-46 (2012).
С. Армянов, “Физикохимични аспекти на химично (автокаталитично) отлагане на тройни сплави. Значение за науката и практиката”, Списание на Българската академия на науките CXXIV (6), 44-52 (2011).
J. Georgieva, S. Sotiropoulos, S. Armyanov, I. Poulios, “Effect of TiO2/WO3/C Photoanode Composition on the Photocurrent of All-Solid Photoelectrochemical Cells”, International Journal of Nanoparticles 4 (2/3), 216-230 (2011).
A. Tegou, S. Papadimitriou, I. Mintsouli, S. Armyanov, E. Valova, G. Kokkinidis, S. Sotiropoulos, “Rotating disc electrode studies of borohydride oxidation at Pt and bimetallic Pt-Ni and Pt-Co electrodes”, Catalysis Today 170 (1), 126-133 (2011).
S. Armyanov, E. Valova, J. Georgieva, “New Features in Electroless Deposition of Ternary Coatings on the Base of Ni-P and Co-P”, Zeitschrift für Physikalische Chemie 225 (3), 283-295 (2011).
J. Georgieva, S. Sotiropoulos, S. Armyanov, N. Philippidis, I. Poulios, “Photoelectrocatalytic activity of bi-layer TiO2/WO3 coatings for the degradation of 4-chlorophenol: effect of morphology and catalyst loading”, Journal of Applied Electrochemistry 41 (2), 173–181 (2011).
J. Georgieva, S. Sotiropoulos, S. Armyanov, E.Valova, I. Poulios, N. Philippidis, Chapter 6 „Electrochemical Preparation of TiO2 and WO3 Single Component or Bicomponent Photocatalytic Coatings for Photoelectrochemical Oxidation of Organics: A Short Review” in Applied Electrochemistry, Editor: Vijay G. Singh, Nova Science Publishers, pp. 301-334, 2009, ISBN: 978-1-60876-208-8.
J. Georgieva, S. Armyanov, I. Poulios, A. D. Jannakoudakis, and S. Sotiropoulosb, “Gas Phase Photoelectrochemistry in a Polymer Electrolyte Cell with a Titanium Dioxide/Carbon/Nafion Photoanode”, Electrochemical and Solid-State Letters 13 (10), P11-P13 (2010).
E. Valova, J. Georgieva, S. Armyanov, S. Sotiropoulos, A. Hubin, K. Baert, M. Raes, “Morphology, structure and photoelectrocatalytic activity of TiO2/WO3 coatings obtained by pulsed electrodeposition onto metal substrates”, Journal of the Electrochemical Society 157 (5), D309-D315 (2010).
S. Papadimitriou, S. Armyanov, E. Valova, A. Hubin, O. Steenhaut, E. Pavlidou, G. Kokkinidis and S. Sotiropoulos, „Methanol oxidation at Pt-Cu, Pt-Ni and Pt–Co electrode coatings prepared by a galvanic replacement process”, Journal of Physical Chemistry 114 (11), 5217–5223 (2010).
D. Tatchev, Ts. Vassilev, G. Goerigk, S. Armyanov, R. Kranold “Kinetics of primary crystallization of hypoeutectic amorphous Ni-P alloy studied by in-situ ASAXS and DSC”, Journal of Non-crystalline Solids 356 (6-8), 351-357 (2010).
E. Valova, J. Georgieva, S. Armyanov, I. Avramova, J. Dille, O. Kubova, M.-P. Delplancke, “Corrosion Behavior of Hybrid Coatings: Electroless Ni-Cu-P and Sputtered TiN”, Surface and Coatings Technology 204 (16-17), 2775-2781 (2010).
J. Georgieva, S. Armyanov, I. Poulios, S. Sotiropoulos, “An all-solid photoelectrochemical cell for the photooxidation of organic vapours under ultraviolet and visible light illumination”, Electrochemistry Communications 11 (8) 1643-1646 (2009).
A. Tegou; S. Armyanov; E. Valova; O. Steenhaut, A. Hubin; G. Kokkinidis; S. Sotiropoulos, “Mixed platinum-gold electrocatalysts for borohydride oxidation preparated by the galvanic replacement of nickel deposits”, Journal of Electroanalytical Chemistry 634, 104-110 (2009).
J. Georgieva, S.Sotiropoulos, S. Armyanov, E.Valova, I. Poulios, N. Philippidis, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki, Greece, and others „Electrochemical Preparation of TiO2 and WO3 Single Component or Bicomponent Photocatalytic Coatings for Photoelectrochemical Oxidation of Organics: A Short Review” Applied Electrochemistry, Editor: Vijay G. Singh Nova Science Publishers, 2009 Series: Chemistry Research and Applications, Binding: Hardcover, 2009, ISBN: 978-1-60876-208-8.
S. Armyanov, “Electroless-deposited ternary and quaternary alloys based on Ni-P and Co-P: new features”, in Nanoscale Phenomena and Structures, Edited by D. Kashchiev, Prof. M. Drinov Publishing House, Sofia, pp. 265-268, 2008.
A. Tegou, S. Papadimitriou, S. Armyanov, E. Valova, G. Kokkinidis, S. Sotiropoulos, "Oxygen reduction at platinum- and gold-coated iron, cobalt, nickel and lead deposits on glassy carbon substrates", Journal of Electroanalytical Chemistry 623 (2), 187-196 (2008).
S. Papadimitriou, A. Tegou, E. Pavlidou, S. Armyanov, E. Valova, G. Kokkinidis, S. Sotiropoulos, "Preparation and characterisation of platinum- and goldcoated copper, iron, cobalt and nickel deposits on glassy carbon substrates", Electrochimica Acta 53 (22,) 6559-6567 (2008).
J. Georgieva, S. Armyanov, E. Valova, N. Phillipides, I. Poulios, S. Sotiropoulos, "Photoelectrocatalytic activity of electrosynthesised tungsten trioxide-titanium dioxide bi-layer coatings for the photooxidation of organics", Journal of Advanced Oxidation Technologies 11 (2,) 300-307 (2008).
J. Georgieva, S. Sotiropoulos, S. Armyanov and I. Poulios, "Electrosynthesized TiO2 and WO3 coatings for photoelectrocatalytic destruction of pollutants" in Nanoscale Phenomena and Structures, Edited by D. Kashchiev, Prof. M. Drinov Publishing House, Sofia, pp. 333-336, 2008.
E. Valova, S. Armyanov, "Localization and Chemical State of the Third Element in Electrolessly Deposited Nanocrystalline Ni-Zn-P, Ni-W-P and Co-W-P Coatings", Russian Electrochemistry 44 (6), 709-715 (2008).
E. Valova, S. Armyanov, J. Dille, Y. Van Ingelgem, A. Hubin and O. Steenhaut, “Electroless Deposited Co-Re-P and Co-Re-Ni-P Coatings: Elemental State of the Alloy Components and Their Localization”, Journal of the Electrochemical Society 155 (6), D449-D458 (2008).
E. Valova, S. Armyanov, “Localization and Chemical State of the Third Element in Electrolessly Deposited Nanocrystalline Ni-Zn-P, Ni-W-P and Co-W-P Coatings”, Russian Electrochemistry 44 (6), 709–715 (2008).
S. Papadimitriou, A. Tegou, E. Pavlidou, S. Armyanov, E. Valova, G. Kokkinidis, S. Sotiropoulos, “Preparation and characterisation of platinum- and goldcoated copper, iron, cobalt and nickel deposits on glassy carbon substrates”, Electrochimica Acta, (in press) 2008.
J. Georgieva, S. Armyanov, E. Valova, N. Phillipides, I. Poulios, S. Sotiropoulos, “Photoelectrocatalytic activity of electrosynthesised tungsten trioxide-titanium dioxide bi-layer coatings for the photooxidation of organics”, Journal of Advanced Oxidation Technologies, 2008.
S. Armyanov, J. Georgieva "Electroless Deposition and Some properties of Ni-Cu-P and Ni-Sn-P Coatings", Journal of Solid State Electrochemistry 11, 869-876 (2007).
J. Georgieva, S. Armyanov, E.Valova, I.Poulios, S.Sotiropoulos, “Enhanced Photocatalytic Activity of Electrosynthesised Tungsten Trioxide-Titanium Dioxide Bi-Layer Coatings Under Ultraviolet and Visible Light Illumination”, Electrochemistry Communications 9, 365-370 (2007).
S. Sotiropoulos, J. Georgieva, S. Armyanov, I. Poulios, E. Valova, “Preparation and Photoelectrochemical Characterisation of Electrosynthe-sised Titanium Dioxide Deposits on Stainless Steel Substrates”, Electrochimica Acta 51, 2076-2087 (2006).
J. Georgieva, S. Armyanov, E. Valova, I. Poulios, S. Sotiropoulos, “Photoelectrochemical behaviour of electrodeposited tungsten trioxide and electrosynthesised titanium dioxide single component and bilayer coatings on stainless steel substrates”, Journal of the Electroanalytical Chemistry 585, 35–43 (2005).
D. Tatchev, A. Hoell, R. Kranold, S. Armyanov, "Size distribution and composition of magnetic precipitates in amorphous Ni-P alloy", Physica B 369, 8–19 (2005).
J. Georgieva, S. Kawashima, S. Armyanov, E. Valova, A. Hubin, Y. Koyama, O. Steenhaut, J. Haydu, J.-L. Delplancke, Ts. Tsacheva, “Electroless Deposition of Ni-Sn-P and Ni-Sn-Cu-P Coatings”, Journal of the Electrochemical Society 152 (11), C783-C788 (2005).
D. Tatchev, G. Goerigk, E. Valova, J. Dille, R. Kranold, S. Armyanov and J.-L. Delplancke, "Investigation of the Primary Crystallization of Ni-17 at% P Alloy by ASAXS" Journal of Applied Crystallography 38, 787–794 (2005).
S. Armyanov, E. Valova, A. Franquet, J. Dille, J.-L. Delplancke, A. Hubin, O. Steenhaut, D. Kovacheva, D. Tatchev, and Ts. Vassilev, “Crystalline and Amorphous Electroless Co-W-P Coatings”, Journal of the Electrochemical Society 152 (9), C612-C619 (2005).
E. Valova, J. Dille, S. Armyanov, J. Georgieva, D. Tatchev, M. Marinov, J. -L. Delplancke, O. Steenhaut, A. Hubin, “Interface between electroless amorphous Ni-Cu-P coatings and Al substrate”, Surface and Coatings Technology 190 (2-3), 336-344 (2005).
E. Valova, S. Armyanov, A. Franquet, K. Petrov, D. Kovacheva, J. Dille, J.-L. Delplancke, A. Hubin, O. Steenhaut, and J. Vereecken, “Comparison of the Structure and Chemical Composition of Crystalline and Amorphous Electroless Ni-W-P Coatings”, Journal of the Electrochemical Society 151 (6), C385-C391 (2004).
D. Tatchev, A. Heinemann A. Wiedenmann, A. Hoell, "Determination of particle size distributions by small angle scattering with polarized neutrons using maximum entropy method" Journal of Applied Crystallography 37 (1), 40-47 (2004).
D. Tatchev, R. Kranold, "Maximum entropy method as a routine tool for determination of particle size distributions by small angle scattering" Journal of Applied Crystallography 37 (1), 32-39 (2004).
N.Georgiev, C. Kouyumdjiev, D. Tatchev, S. Armyanov, "Isothermal Investigation of Stress Relaxation in Metallic Glass Co58Ni10B16Si11" Journal of Theoretical and Applied Mechanics 33 (3), 53-60 (2003).
J. Georgieva and S. Armyanov, "Factors Affecting the Electroless Deposition of Ni-Cu-P Coatings", in Magnetic Materials, Processes and Devices VI and Electrodeposition of Alloys, Editors: S. Krongelb, J.W. Judy, L.T. Romankiw, C. Bonhôte, J.-W. Chang, G. Zangari, Y. Kitamoto, W. Schwarzacher, ECS Proceedings Vol. PV 2002-27 (2003) 503-514.
D. Tatchev, R. Kranold, S. Armyanov, “Characterization of Amorphous Ni-P Coatings by Small Angle X-Ray Scattering”, in Magnetic Materials, Processes and Devices VI and Electrodeposition of Alloys, Editors: S. Krongelb, J.W. Judy, L.T. Romankiw, C. Bonhôte, J.-W. Chang, G. Zangari, Y. Kitamoto, W. Schwarzacher, ECS Proceedings Vol. PV 2002-27 (2003) 491-502.
J. Georgieva and S. Armyanov, "Factors Affecting the Electroless Deposition of Ni-Cu-P Coatings" Journal of the Electrochemical Society 150 (11), C760-C764 (2003).
S. Armyanov, D. Tachev, "Comparison of Data Obtained by Dilatometric Technique and Magnetothermal Method during Isochronal Annealing of Amorphous Electroless Ni-P", Journal of Non-Crystalline Solids 328 (1-3), 250-253 (2003).
D. Tatchev, R. Kranold, S. Armyanov, "Characterization of Amorphous Ni-P Coatings by Small Angle X-Ray Scattering", Journal of the Electrochemical Society 150 (7), C502-C506 (2003).
E. Valova, S. Armyanov, A. Franquet, A. Hubin, O. Steenhaut, J.-L. Delplancke, and J. Vereecken, "Electroless Deposited Ni-Re-P, Ni-W-P and Ni-Re-W-P Alloys", Journal of Applied Electrochemistry 31 (12), 1367-1372 (2001).
D. Tachev, J. Georgieva, S. Armyanov, "Magnetothermal Study of the Nanocrystalline Particles Formation in Amorphous Electroless Ni-P and Ni-Me-P Alloys" Electrochimica Acta 47 (1-2), 359-369 (2001).
E. Valova, S. Armyanov, A. Franquet, O. Steenhaut, A. Hubin, J. Vereecken, and J.-L. Delplancke, "Incorporation of Zinc in Electroless Deposited Nickel-Phosphorus Alloys. II. Compositional Variations through Alloy Coating Thickness", Journal of the Electrochemical Society 148 (4), C274-C279 (2001).
E. Valova, I. Georgiev, S. Armyanov, J.-L. Delplancke D. Tachev, Ts. Tsacheva, J. Dille, "Incorporation of Zinc in Electroless Deposited Nickel-Phosphorus Alloys. I. A Comparative Study of Ni-P and Ni-Zn-P Coatings Deposition, Structure and Composition", Journal of the Electrochemical Society 148 (4), C266-C273 (2001).
S. Armyanov, "Crystallographic Structure And Magnetic Properties Of Electrodeposited Cobalt And Cobalt Alloys", Electrochimica Acta 45 (20), 3323- 3335 (2000). (special issue for the 50th International Society of Electrochemistry Meeting)
D. Tachev, D. Iorgov, S. Armyanov, "Magnetothermal investigation of crystallization of Ni-P amorphous alloys", J. Non-Crystalline Solids 270 (1-3), 66-76 (2000).
S. Armyanov, J. Georgieva, D. Tachev, E. Valova, N. Nyagolova, S. Mehta, D. Leibman, A. Ruffini, "Electroless Deposition of Ni-Cu-P Alloys in Acidic Solutions", Electrochemical and Solid State Letters 2 (7), 323-325 (1999).
S. Armyanov, S. Vitkova, and O. Blajiev, "Internal Stress and Magnetic Properties of Electrodeposited Amorphous Fe-P Alloys" , Journal of Applied Electrochemistry 27 (2), 185-191 (1997).
E. Kuzmann, S. Vitkova, G. Pricipi, S. Armyanov, D. Popov, A. Vertes, C. U. Chisholm, "Magnetic Behaviour of Fe-Ni Based Electrodeposited Amorphous Alloys, Conference Proceedings", Vol. 50, "ICAME-95", I. Ortalli Editor, pp. 413-416, SIF, Bologna, 1996.
S. Armyanov, O. Steenhaut, N. Krasteva, J. Georgieva, J.-L. Delplancke, R. Winand, and J. Vereecken, "AES Elements Profiles and Interface with the Substrate of Electroless Deposited Ternary Alloys" , Journal of the Electrochemical Society 143, 3692-3698 (1996).
E. Valova, S. Armyanov, J.-L. Delplancke, O. Steenhaut, R. Winand, and J. Vereecken, "Interface with the Substrate of High Phosphorus Electroless NiP and NiCuP Deposited from Non-ammonia Alkaline Solutions" , Journal of the Electrochemical Society 143, 2804-2815 (1996).
N. Krasteva, S. Armyanov, J. Georgieva, N. Avramova, and V. Fotti, "Thermal Stability of Electroless NiMeP Amorphous Alloys" , Journal of Electronic Materials 24 (8) 941-946 (1995).
S. Armyanov, "Internal Stress in Electro- and Electroless Deposited Films and Layers: Their Measurement, Significance and Correlation with Structure and Other Properties", in "Defect Structure, Morphology and Properties of Deposits", Proceedings of a Symposium sponsored by Non-Ferrous Metals Committee of the Structural Materials Division and Interconnection Materials Committee of Electronic, Magnetic and Photonic Materials Divisions of The Minerals, Metals Materials Society held during Materials Week '94 in Rosemont, Illinois, October 4-6, 1994, pp. 273-290, Editor Harish D. Merchant, A Publication of TMS, Warrendale, Pennsylvania, 1995.
N. Krasteva, V. Foty, and S. Armyanov, "Thermal Stability of Ni-P and Ni-Cu-P Amorphous Alloys", Journal of the Electrochemical Society 141, 2864-2867 (1994).
S. Armyanov and G. S. Sotirova-Chakarova, "Internal Stress in Electrodeposited Cobalt, Nickel and Their Alloys: Part 1", Metal Finishing 90 (11), 61-71 (1992).
S. Armyanov and G. S. Sotirova-Chakarova, "Internal Stress in Electrodeposited Cobalt, Nickel and Their Alloys: Part 2," Metal Finishing 91 (3), 42-49 (1993).
S. Armyanov and G. S. Sotirova-Chakarova, "Internal Stress in Electrodeposited Cobalt, Nickel and Their Alloys: Part 3", Metal Finishing 91 (4), 59-63 (1993).
S. Armyanov and G. Sotirova-Chakarova, "Hydrogen Desorption and Internal Stress in Nickel Coatings, Obtained by Periodic Electrodeposition", Journal of the Electrochemical Society 139, 3454-3457 (1992).
S. Armyanov, "Electroless NiP Plating on Aluminum: Interface and Internal Stress", Metal Finishing 90 (7), 36-41 (1992).
V. Fotty, S. Bodurov, and S. Armyanov, "Thermal Stability of Ni-P Amorphous Alloys Obtained by Melt Spinning and by Electroless Deposition", Communication in Chemistry, Bulgarian Acad. Sci. 24 (3), 390-393 (1991).
S. Armyanov and G. Sotirova-Chakarova, "Length Change Method for the Internal Stress Measurement - New Application Area" , in "Magnetic Materials, Processes and Devices", PV 90-8, L. T. Romankiw and D. A. Herman, Jr., Editors, p. 145-160, The Electrochemical Society Softbound Proceedings Series, Pennington, NJ (1990).
S. Armyanov and G. Sotirova-Chakarova, "Some Problems of NiP Layers and CoNiP Films for Plated Disks", in "Magnetic Materials, Processes and Devices", PV 90-8, L. T. Romankiw and D. A. Herman, Jr., Editors, p. 551-563, The Electrochemical Society Softbound Proceedings Series, Pennington, NJ (1990).
G. Sotirova-Chakarova and S. Armyanov, "The Internal Stress in Ni, NiFe, CoFe, and CoNi Layers Measured by Bent Strip Method" , Journal of the Electrochemical Society 127, 3551-3558 (1990).
G. Sotirova-Chakarova und S. Armyanov, "Innere Spannungen in Galvanischen Uberzuegen. Teil 1: Arten von Eigenspannungen und mechanische Bestimmungsmethoden", Galvanotechnik 81, 2004-2013 (1990).
G. Sotirova-Chakarova, S. Armyanov, "Innere Spannungen in Galvanischen Uberzuegen. Teil 2: Innere Spannungen in Metallen und Binaeren Legierungen der Eisengruppe", Galvanotechnik 81, 2358-2366 (1990).
G. Sotirova, S. Sarnev and S. Armyanov, "Evolution of the Included Hydrogen, Internal Stress, Microhardness and Microstructure of Electrodeposited Cobalt", Electrochimica Acta 34, 1237-1242 (1989).
S. Armyanov and G. Sotirova, "Electroless Co-Ni-P Thin Films for Magnetic Recording", Journal of the Electrochemical Society 136, 1575-1578 (1989).
S. Armyanov and G.Sotirova, "Diffusion-Elastic Phenomena in Nickel and Cobalt Electrodeposits Plated onto Strip Cathode", Surface Coatings Technology 34, 441-454 (1988).
G. Sotirova and S. Armyanov, "A Comparative Study of Methods for the Evaluation of Internal Stress Using the Bent Strip", Surface Coatings Technology 28, 33-38 (1986).
S. Armyanov, "Plated Magnetic Media on Disks" , Soviet Electrochemistry (A Translation of Elektrokhimiya) 22 (8), 945-952 (1986).