default author photo

Aleksandra Koroleva

St Petersburg University

Russia

SCHOLARLY PAPERS

8

DOWNLOADS

228

TOTAL CITATIONS

0

Scholarly Papers (8)

Pyrochlore Phase in the Bi2o3‒Na2o‒Fe2o3‒Wo3‒(H2o) System: Crystal Structure and Energy Band Diagram Depending on Chemical Composition

Number of pages: 94 Posted: 06 Mar 2025
Ioffe Institute, Saint-Petersburg State Institute of Technology, Ioffe Institute, affiliation not provided to SSRN, St Petersburg University, affiliation not provided to SSRN, St Petersburg University, Saint Petersburg State University and affiliation not provided to SSRN
Downloads 36 (1,281,607)

Abstract:

Loading...

pyrochlore, hydrothermal synthesis, crystal structure, Semiconductor, energy band diagram

Pyrochlore Phase in the Bi2o3‒Na2o‒Fe2o3‒Wo3‒(H2o) System: Crystal Structure and Energy Band Diagram Depending on Chemical Composition

Number of pages: 69 Posted: 18 Mar 2025
Ioffe Institute, Saint-Petersburg State Institute of Technology, Ioffe Institute, affiliation not provided to SSRN, St Petersburg University, affiliation not provided to SSRN, St Petersburg University, Saint Petersburg State University and affiliation not provided to SSRN
Downloads 22 (1,473,203)

Abstract:

Loading...

pyrochlore, hydrothermal synthesis, crystal structure, semiconductor, energy band diagram

2.

Enhanced second harmonic generation from single spherical mesoporous Si/SiO2 nanoparticles on gold

Number of pages: 16 Posted: 30 Sep 2025
Peter the Great Saint Petersburg Polytechnic University, Ioffe Institute, Alferov University, affiliation not provided to SSRN, Ioffe Institute, Ioffe Institute, Ioffe Institute, affiliation not provided to SSRN, St Petersburg University, Saint Petersburg State University, Peter the Great Saint Petersburg Polytechnic University, affiliation not provided to SSRN, Peter the Great Saint Petersburg Polytechnic University and Peter the Great Saint Petersburg Polytechnic University
Downloads 38 (1,236,159)

Abstract:

Loading...

silicon, nanoparticles, second harmonic generation, Mie resonances

3.

Effect of Magnesium Additive on Acid-Base Properties and Photocatalytic Activity of Nanostructured Potassium Titanate

Number of pages: 25 Posted: 02 Aug 2023
ITMO University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Saint-Petersburg State Institute of Technology, affiliation not provided to SSRN, affiliation not provided to SSRN and St Petersburg University
Downloads 30 (1,318,317)

Abstract:

Loading...

co-precipitation method, hydrothermal treatment, nanostructure, potassium titanate, acid-base properties

4.

Surface functionalization of hydrophilic and amphiphilic carbon dots with differently charged polymers for energy level engineering

Number of pages: 17 Posted: 21 Apr 2026
ITMO University, ITMO University, ITMO University, affiliation not provided to SSRN, St Petersburg University, Saint Petersburg State University, ITMO University, City University of Hong Kong (CityU) and affiliation not provided to SSRN
Downloads 28 (1,411,822)

Abstract:

Loading...

Carbon dots, Surface functionalization, Energy level engineering, Polymer composites, Optoelectronics

5.

Electron Structure and Photocatalytic Activity of New Compounds Csmxw2-Xo6 (M = Sn, V and Mo, X=0-0.5) with Β-Pyrochlore Structure

Number of pages: 21 Posted: 27 Apr 2024
Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, St Petersburg University, Saint Petersburg State University, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod and Lobachevsky State University of Nizhny Novgorod
Downloads 28 (1,345,526)

Abstract:

Loading...

pyrochlore, mixed-valence compounds, crystal structure, X-ray photoelectron spectroscopy, Band gap, photocatalysis

6.

Bright and Stable Aqueous Red-Emissive Carbon Dots Based on Citric Acid and Formamide Via Surfactant Treatment

Number of pages: 13 Posted: 25 Aug 2025
ITMO University, St Petersburg University, Saint Petersburg State University, University of Macau, University of Macau, ITMO University and ITMO University
Downloads 24 (1,399,036)

Abstract:

Loading...

red emission, toxicity, surfactant treatment, biovisualization, Carbon dots

7.

Electronic Structure, Defect Engineering, and Photocatalytic Activity of CsМxW2-xO6-d (M = Zn, Mg; x=0.1, 0.25, 0.5) β-Pyrochlores

Number of pages: 23 Posted: 27 Feb 2026
Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, St Petersburg University, Saint Petersburg State University, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod, Lobachevsky State University of Nizhny Novgorod and affiliation not provided to SSRN
Downloads 12 (1,534,404)

Abstract:

Loading...

Photocatalysis, defective pyrochlores, band gap, Crystal structure, X-ray photoelectron spectroscopy, mass spectrometry

8.

Etcing of InAs(100) surface with HBr-based solutions

Number of pages: 18 Posted: 29 Aug 2025
Ioffe Institute, Ioffe Institute, Ioffe Institute, Ioffe Institute, Ioffe Institute, St Petersburg University, Saint Petersburg State University and affiliation not provided to SSRN
Downloads 10 (1,541,665)

Abstract:

Loading...

wet etching, narrow-gap III-V semiconductors, XPS, Photoluminescence, electronic passivation