ralexeev



Personal Websites

Roman Alekseev

Research Scientist
Center for Energy Science and Technology

Supervisor: Artem Abakumov

Publications

  1. Naumov A.S., Shakhgildyan G.Yu., Golubev N.V., Lipatiev A.S., Fedotov S.S., Alekseev R.O., Ignateva E.S., Savinkov V.I., Sigaev V.N. Tuning the Coefficient of Thermal Expansion of Transparent Lithium Aluminosilicate Glass-Ceramics by a Two-Stage Heat Treatment // Ceramics. 2023. Vol. 7. № 1. P. 1–14. DOI: 10.3390/ceramics7010001.
  2. Naumov A.S., Alekseev R.O., Savinkov V.I., Sigaev V.N. Crystal Nucleation and Growth in Li2O–Al2O3–SiO2 Base Glass Bulk // Glass and Ceramics. 2023. Vol. 80. № 7–8. P. 307–312. DOI: 10.1007/s10717-023-00604-7.
  3. Shakhgil’dyan G.Yu., Durymanov V.A., Avakyan L.A., Atroshchenko G.N., Vetchinnikov M.P., Alekseev R.O., Ignat’eva E.S., Golubev N.V., Zolikova A.A., Bugaev L.A., Sigaev V.N. CeO2 Influence on Au Plasmonic Nanoparticle Formation in ZnO–MgO–Al2O3–SiO2 Glass // Glass and Ceramics. 2023. Vol. 80. № 5–6. P. 1–8. DOI: 10.1007/s10717-023-00587-5.
  4. Sukharina G.B., Ermakova A.М., Alekseev R.O., Shakhgildyan G.Yu., Veligzhanin A.A., Avakyan L.A., Bugaev L.A., Sigaev V.N. Effect of B2O3 concentration on the local atomic structure of lanthanum in lanthanum-borate glasses: XANES study and the principle of crystal-chemical similarity of the short-range order in glasses and crystals // Journal of Non-Crystalline Solids. 2023. Vol. 616. P. 122454. DOI: 10.1016/j.jnoncrysol.2023.122454.
  5. Avakyan L.A., Alekseev R.O., Firsova Yu.A., Tretyakov E.A., Vakulenko Y.I., Shakhgil’dyan G.Yu., Bugaev L.A., Sigaev V.N. Local Mid-Range Order in La2O3–Nb2O5–B2O3 and BaO–Nb2O5–P2O5 Glasses According to Full X-Ray Scattering Data // Glass and Ceramics. 2023. Vol. 80. № 3–4. 85–90. DOI: 10.1007/s10717-023-00562-0.
  6. Shakhgil’dyan G.Yu., Alekseev R.O., Naumov A.S., Zolikova A.A., Savinkov V.I., Sigaev V.N. Investigation of the Structure and Influence of Ion-Exchange on the Microhardness of Low-Alkali, Transparent, Gahnite-Based Glass-Ceramics // Glass and Ceramics. 2023. Vol. 80. № 3–4. С. 1–6. DOI: 10.1007/s10717-023-00564-y.
  7. Shakhgildyan G.Yu., Alekseev R.O., Golubev N.V., Savinkov V.I., Naumov A.S., Presnyakova N.N., Sigaev V.N. One-Step Crystallization of Gahnite Glass-Ceramics in a Wide Thermal Gradient // ChemEngineering. 2023. Vol. 7. № 2. P. 37. DOI: 10.3390/chemengineering7020037.
  8. Alekseev R.O., Avakyan L.A., Shakhgildyan G.Yu., Komandin G.A., Savinkov V.I., Romanov N.A., Veligzhanin A.A., Lebedev S.P., Ermakova A.M., Sukharina G.B., Bugaev L.A., Sigaev V.N. Local Atomic Structure of the High Refractive Index La2O3–Nb2O5–B2O3 Glasses // Journal of Alloys and Compounds. 2022. Vol. 917. P. 165357. DOI:1016/j.jallcom.2022.165357.
  9. Alekseev R.O., Savinkov V.I., Sigaev V.N. Investigation of the Structure and Properties of Glasses in the System La2O3–MnOm–B2O3 (M= Nb, Ta, Ti, Zr) // Glass and Ceramics. 2022. Vol. 78. № 11. P. 467–470. DOI: 10.1007/s10717-022-00433-0.
  10. Alekseev R.O., Romanov N.A., Savinkov V.I., Klimenko N.N., Sigaev V.N. Multicomponent Optical Glasses with High Refractive Index // Glass and Ceramics. 2021. Vol. 78, №1–2, P. 3–7. DOI: 10.1007/s10717-021-00338-4.
  11. Shakhgil’dyan G.Yu., Savinkov V.I., Shakhgil’dyan A.Yu., Alekseev R.O., Naumov A.S., Lopatina E.V., Sigaev V.N. Effect of Sitallization Conditions on the Hardness of Transparent Sitalls in the System ZnO–MgO–Al2O3–SiO2 // Glass and Ceramics. 2021. Vol. 77. №11–12. P. 426–428. DOI: 1007/s10717-021-00323-x.
  12. Alekseev R.O., Savinkov V.I., Sigaev V.N. Investigation of Glass Formation and the Properties of Lanthanum-Aluminum-Borosilicate Glasses with High Lanthanum Oxide Content // Glass and Ceramics. Vol. 76, №1–2, P. 45–48. DOI: 10.1007/s10717-019-00130-5.

Patents

  1. Romanov N.A., Alekseev R.O., Savinkov V.I., Sigaev V.N. Optical glass. Patent 11 Oct. 2022.
  2. Alekseev R.O., Savinkov V.I., Sigaev V.N., Shakhgildyan G.Yu. Optical glass. Patent 14 Nov. 2018.
  3. Sigaev V.N., Savinkov V.I., Zakalashniy A.V., Alekseev R.O. Transparent sitall and method of its receiving. Patent 27 Feb. 2018.
    • 2018–2022      PhD in Materials Science and Engineering
      Mendeleev University of Chemical Technology
      Thesis: High refractive index glasses with a high content of lanthanum oxide
      Supervisor: Prof. Vladimir N. Sigaev
    • 2012–2018      Mendeleev University of Chemical Technology (bachelor’s and master’s degrees)
      The Department of Chemical Technology of Glass and Glass-ceramics