LEBEDEV SERGEY

My Interests

#programming#physics

Find me in Internet

Profile created - 11/10/2019

Profile updated - 23/03/2020

IT skills

Programming Languages:

Python, Ruby/RoR, JavaScript , TypeScript, Vue, HTML5/CCS3.

Integrated Development Environment

Visual Studio Code, PySharm, PHP Designer, NetBeans, Android studio, RubyMine.

static_assets
server

Relational Database Management Systems, Tools and Applications:

Sybase, Microsoft SQL Server, Microsoft Analysis Services, MySQL, PostgreSQL, SQLlite, MongoDB.

Source Control Systems:

SVN, Git.

Mobile Technologies:

Crittercism, iOs/Android, Android devices emulators (Android SDK, Genymotion), Fiddler, TestFlight.

Other tools:

MS SharePoint, MS Project, Visio, Enterprice Architect, Joomla,CorelDRAW, Origin, Statistica, Mathcad, Programs for phase analysis and structure determining (PCW, Diamond, Endeavour, QUANTO, Rietica, GSAS), DataBases for X-ray diffraction (Aist, Match, JCPDS, FIND IT).

mobile_apps
Artificial intelligencefast loadingbug fixing

Automation:

Python, Ruby, JavaScript, TypeScript
UI: Behave, Watir, Selenium Web Driver, WebDriverIO, RSpec, Chai, Cucumber.
API: Ruby (RestClient, Faraday), Python (Requests, PyCURL)
CI: Jenkins

Perfomance testing:

SEO/Performance: LightHouse (as plugin / as npm package)
Performance testing: Locust, Artillery, JMeter (small experience)

Manual Testing

Test planning, test strategy creation, creation of test cases, test reports. Functional testing, confirmation testing, regression testing for: web applications, mobile applications, desktop applications.

Certifications:

Software Quality Assurance:

Brainbench Sertificate, Nov 2012, No Expiration Date.

Project Management (2013)

Brainbench Sertificate, Apr 2014, No Expiration Date.

ISTQB certification - Foundation level

Global Association for Software Quality AISBL, Feb 2014, No Expiration Date.

certificate

Science skills

Ph.D.

Physics of condensed matter (High Temperature Superconductivity)

2007

Stipend of the President of the Republic of Belarus for talented young scientists

Graduation
science

Research Interests:

High temperature superconductivity, HTSC materials, X7R ceramics, Methods of synthesis of functional ceramics, X-ray structural analysis, Refinement of real crystal structure (Rietveld method), Low Temperature Physics

Publications:

Publications:

Total quantity is about 65 (in scientific journals : inorganic materials, Physica C, Applied Magnetic Resonance, Solid State Physics) , + 4 patents

bookshelves

Publications list:

«Influence of high pressure on formation behavior, superconducting properties and crystal structure Tl2Ba2CaCu2OyFx (х=0; 0,1; 0,2) ceramics», A. I. Akimov, S. A. Lebedev, T.V.Tarasevich, O.V.Ignatenko “ Inorganic materials ”, 2008, Vol.44, No. 3, pp.375-384

«Crystallization of cubic BN in the Li3N-BN system (4-10 mas.% Li3N)», V.N.Shipilo, O.V.Ignatenko, N.A.Shempel, I.I.Azarko, and S.A.Lebedev // “Inorganic materials” , 2008, vol. 44, No.3, pp.310-314

«Crystal structure of La2-XSrXNiO4 (0≤x≤1) ceramics», A.I.Akimov, S.A.Lebedev, A.K.Letko, T.A.Ivanova, Refractories&technical ceramics, №2, 2004, p.8-11

«Crystal structure of ceramic samples in Tl2Ba2CaCu2OyF2x (x=0;0,05) system», A.I.Akimov, S.A.Lebedev, Refractories&technical ceramics, № 8, 2005, p.17-21

«Defining more precisely the crystalline structure of Tl2Ba2CaCu2OyFx (x=0;0,1;0,2) ceramics produced using high pressure», Akimov A.I., S.A.Lebedev, Refractories&technical ceramics, № 6, 2007, p.3-10

«Effect of LiF addition on the properties of Tl2Ba2CaCu2Oy ceramics.», Akimov A.I., S.A.Lebedev, Refractories&technical ceramics, № 9, 2006, p.13-16

«Effect of boron on the crystallization of cubic BN in the Li3N-BN system», V.B.Shipilo, O.V.Ignatenko, N.A.Shempel, I.I.Azarko, and S. A. Lebedev, “ Inorganic materials ”, 2008, Vol.44, No. 4, pp.401-405

«Effect of fluorine addition on formation behavior and superconducting properties of Tl2,2Ba2CaCu2OyF2x (0≤x≤0,15) ceramic» , A.I.Akimov, S.A.Lebedev, «Poverhnost, Rentgenovskie, sinhrotronnie i neitronnie issledovania»,2005, №11, p.61-67

«Effect of fluorine and cerium substitutions on the properties of the Tl2Ba2CaCu1.98Fe0.02O8 superconductor», Akimov A.I., V.Ksenofontov, S.A.Lebedev, T.M.Tkachenka, Physica C 443, 2006, pp. 29-32

«Effect of substituting admixtures on the physical properties of Tl-2212», Akimov A.I., S.A.Lebedev, T.M.Tkachenka, Vestnik Fonda Fundumentalnih issledovanii, 2007, No.1, pp. 82-92

«High-Tc Tl-based superconductors: structure, properties», Aktualnie problemi fisiki tverdogo tela, A.I.Akimov, G.K.Savchuk, S.A.Lebedev,Minsk, 2003, p. 502-551.

«Phase formation and superconductive features of Tl2Ba2CaCu2O8-x/2Fx», Akimov A.I., Lebedev S.A., Tkachenka T.M., Vestsi Natsyyanal'nai Akademii Navuk Belarusi, Seryya Fisiko-matematicheskykh Navuk, 2005, №2, p.96-98

«Preparation of Tl2Ba2Ca1-yCeyCu2O8-x/2Fx Ce- and F-Substituted Superconductors», A. I. Akimov, T. M. Tkachenka, and S. A. Lebedev, “ Inorganic materials ”, 2006, Vol.42, No. 3, pp.331-335

«Refinement of crystal structure of ceramics Tl2Ba2CaCu2Ox received by a method of cold pressing at high pressure», A.I.Akimov, S.A.Lebedev, A.K.Letko, Vestsi Natsyyanal'nai Akademii Navuk Belarusi, Seryya Fisiko-matematicheskykh Navuk, №4, 2004, p.98-101

«Research of influence of fluorine doping on formation behavior and superconducting properties of Tl2,2Ba2Cu1OyF2x(0≤X≤1) ceramics», A.I.Akimov, S.A.Lebedev, Refractories&technical ceramics, №3, 2004, р.5-7

«Research of influence of high pressure on crystal structure ceramics Tl2Ba2CuOx.», A.I.Akimov, S.A.Lebedev, V.A.Rubzov, «Materiali, technologii, instrumenti», 2004, vol. 9, № 3, p.52-55

«Spin states of Ni3+ ions in PrSrAl1-xNixO4 ceramics», Ivanova T.A.,Petrashen V.E.,Yablokov Yu.V.,Akimov A.I. and S.A.Lebedev, Applied Magnetic Resonance, V.23, p.235-245, 2002.

«Structural features of Pr2-хSryNixAl1-xO4 (0≤x≤1,y≈1)», A.I.Akimov, S.A.Lebedev, A.K.Letko, T.A.Ivanova, Vestsi Natsyyanal'nai Akademii Navuk Belarusi, Seryya Fisiko-matematicheskykh Navuk, №3, 2003, p.87-91

«Thallium-Based High-Temperature 2212 Superconductor with Partial Substitution of Oxygen by Fluorine and Calcium by Cerium», Akimov A.I., S.A.Lebedev, T.M.Tkachenka, Physics of the Solid State, 2007, Vol.49, No.3, pp.413-419

«Влияние термообработки исходного BaTiO3 на микроструктуру и диэлектрические свойства керамики на основе BaTiO3». Т. В. Тарасевич, С. А. Лебедев, С. А. Филатов. «Неорганические материалы», 2010, том 46., № 3, с. 284-288.

«Микроструктура и диэлектрические свойства керамики системы BaTiO3-CeO2-SnO2». Тарасевич Т.В., Лебедев С.А., Неорганические материалы, 2010, том 46, № 1, с.1-6.

«Диэлектрические свойства и микроструктура керамики на основе BaTiO3, модифицированной MgNb2O6». Т.В. Тарасевич, С.А. Лебедев, С.А. Филатов, “Материалы, технологии, инструменты”, Т.15 (2010), № 1, с. 28-31