Contents

Bulletin of the Russian Academy of Sciences: Physics

Vol. 90, No. 2, 2026

Enhancement of the Electromagnetic Field in a Fabry–Pérot Cavity with Circular Coupling Holes in the Cavity Walls

M. S. Sokolova, A. S. Kazakov, A. A. Titenko, I. V. Kukushkin, and V. M. Muravev p. 149  abstract

Contactless Measurement of the Superconducting Density in a Thin Niobium Nitride Film

G. A. Nikolaev, A. V. Shchepetilnikov, V. V. Solovyev, M. V. Shibalov, A. M. Mumlyakov, I. V. Trofimov, M. A. Tarkhov, and I. V. Kukushkin p. 155  abstract

Semiconductor Amplitude Modulator of Terahertz Radiation with a Tunable Metasurface

A. A. Titenko, S. M. Makarovskaya, V. D. Bobova, M. S. Sokolova, V. V. Soloviev, V. V. Startsev, I. V. Kukushkin, and V. M. Muravev p. 162  abstract

Anomalies in Photoluminescence Spectra of ZnO/MgZnO Heterostructures in Strong Magnetic Fields

P. S. Berezhnoy, A. S. Koreev, A. B. Van’kov, and V. V. Solovyev p. 168  abstract

Exciton States in WSe2 Monolayers in a Wide Temperature Range

A. S. Brichkin, G. M. Golyshkov, V. E. Bisti, and A. V. Chernenko p. 173  abstract

Magnetoexciton Condensate in a Quantum Hall Dielectric: Spreading and Coherence

A. V. Gorbunov, A. V. Larionov, and L. V. Kulik p. 178  abstract

Anomalous Behavior of Resonant Reflection near ν = 1 as an Indicator of Nontrivial Spin Polarization in a Two-Dimensional Electron System

A. S. Koreev, P. S. Berezhnoy, and A. B. Van’kov p. 186  abstract

Dispersion of Electromagnetic Modes in Semiconductor Nanostructures with Chiral Photonic Crystals

A. A. Maksimov and I. I. Tartakovskii p. 190  abstract

Investigation of the Photoluminescence Spectra of MoSe2 Monolayer-Based Structures as a Function of Electric Field and Temperature

D. S. Nuraev, A. S. Brichkin, G. M. Golyshkov, V. E. Bisti, and A. V. Chernenko p. 196  abstract

Method for Measuring the Resonant Photoreflectance Signal Using Two-Color Laser Excitation in the Pump–Probe Geometry

A. V. Larionov and L. V. Kulik p. 202  abstract

Оptical Orientation in Highly Doped InGaAs/GaAs Diode Structures

S. V. Zaitsev p. 206  abstract

Raman Spectroscopy of WST-8, MTT, and XTT Tetrazoles for Rapid Antibiotic Susceptibility Testing

V. A. Mushenkov, A. V. Poddubikov, V. I. Kukushkin, and E. G. Zavyalova p. 210  abstract

Formation of a SERS-Active Silver Nanorod Array Based on a Porous Anodic Alumina Template

D. V. Novikov, M. Y. Prudnikova, E. I. Strukova, S. V. Dubkov, Y. V. Nazarkina, and T. P. Savchuk p. 217  abstract

Portable Raman Spectrometer with a Linear Photodiode Array Detector

M. E. Parfyonov, D. N. Artemyev, and D. V. Kornilin p. 222  abstract

Influenza A Virus Determination Using an Aptamer-Based Colorimetric Test System

D. S. Tikhonova, E. V. Andreev, T. S. Grishin, S. V. Dubkov, A. N. Nechaev, P. Yu. Apel, and E. G. Zavyalova p. 226  abstract

Optical Properties of Magnetic Nanowires (Ga,Mn)As on GaAs(111) Substrates

S. V. Zaitsev and A. I. Dmitriev p. 236  abstract

Application of Surface-Enhanced Raman Scattering Blood Serum Analysis in the Diagnosis of Systemic Lupus Erythematosus

L. A. Bratchenko, Yu. A. Khristoforova, I. A. Bratchenko, A. V. Ulianova, and P. A. Lebedev p. 242  abstract

Magnetic Hysteresis in Substituted Lanthanum Ferrite La1–xSrxFeO3–δ

M. S. Dmitrieva and A. I. Dmitriev p. 249  abstract

Pressure Induced Phase Separation in Lightly Doped La0.95Ca0.05Mn0.98Fe0.02O3 Manganite

S. V. Zaitsev, V. D. Sedykh, A. V. Kuzmin, and K. P. Meletov p. 254  abstract

Raman Scattering in Lightly Doped Manganites (La,Ca)Mn0.98Fe0.02O3

S. V. Zaitsev, V. D. Sedykh, and K. P. Meletov p. 260  abstract

Development of a Method for Modifying a SICM Capillary with a Mo–Ag Plasmon Film to Study the Local Composition of Living Cells

S. A. Kondratieva, D. V. Novikov, A. M. Tarasov, L. S. Volkova, V. S. Kolmogorov, S. V. Dubkov, A. S. Erofeev, and Y. N. Parkhomenko p. 266  abstract

Femtosecond Laser Ablation–Modified Hybrid SERS/SEIRA Substrate with Silver Nanoparticles for High-Sensitivity Analysis

M. D. Kruzhalina, D. V. Novikov, D. D. Butmanov, I. Ya. Krasnyanskiy, L. S. Volkova, P. A. Danilov, I. N. Saraeva, S. V. Dubkov, S. I. Kudryashov, and D. G. Gromov p. 273  abstract

Research and Development of 16-Bit Reconfigurable Physical Unclonable Function Based on Magnetic Tunnel Junction

M. D. Lobkova, K. V. Kiseleva, P. N. Skirdkov, and K. A. Zvezdin p. 281  abstract

Injection of Uncompensated Spins by Current in Metallic Magnetic Nanojunctions

S. G. Chigarev, D. L. Zagorsky, I. M. Doludenko, E. A. Vilkov, O. A. Byshevsky-Konopko, and A. I. Panas p. 288  abstract

The Role of Relative Density Difference in the Evolution and Dynamics of Drop Impact Vortices in the Intrusive Mode

A. Yu. Ilinykh p. 297  abstract

Periodic Droplet Impact Flows: Wave and Non-Wave Components

S. K. Khaiirbekov p. 303  abstract

The Problem of Internal Pressure of Liquid Water

S. V. Chuchupal and A. A. Volkov p. 308  abstract

Erratum

Erratum to: Dependence of the Efficiency of Enhanced Raman Scattering on the Period of the Electrochemical Deposition of Nanowires in Pores of Track-Etched Membranes

Yu. A. Batishcheva, V. S. Sotskova, K. A. Magaryan, D. V. Panov, and A. V. Naumov p. 314  abstract

Erratum to: Cascaded Optical Phased Array for Beam Steering Created by Domain Engineering in PMN–PT Single Crystal

A. D. Ushakov, J. Li, M. A. Chuvakova, I. A. Kipenko, H. Zheng, X. Liu, Z. Xu, X. Wei, and V. Ya. Shur p. 315  abstract

Erratum to: Spectroscopic Investigations of Dipole Moment in BaSrTiO3 Thin Films

A. M. Pugachev and A. V. Tumarkin p. 316  abstract