Contents

Journal of Contemporary Physics (Armenian Academy of Sciences)

Vol. 60, No. 3, 2025

Nonrelativistic Approximation for a Spin-3/2 Particle in Combined Electromagnetic and Gravitational Fields

A. V. Ivashkevich, V. M. Red’kov, M. K. Margaryan, and A. M. Ishkhanyan p. 243  abstract

Obliq: A Novel Protocol for Oblivious Transfer

M. K. Srivastava, P. K. Singh, and S. K. Singh p. 251  abstract

Study of the Van der Waals Effect in Potassium Atomic Vapours

A. D. Sargsyan and D. H. Sarkisyan p. 261  abstract

Self-Focusing of Cosh–Gaussian Laser Beam Through Collisional Plasmas: Effect of Linear Absorption

K. Walia, N. Sharma, A. Vijay, and D. Tripathi p. 267  abstract

Dispersion of Acoustic Waves in Xenon Acoustoplasma in the Region of Non-Axial Acoustic Modes

A. S. Abrahamyan, R. Yu. Chilingaryan, K. G. Sahakyan, and M. H. Sargsyan p. 274  abstract

Variational Principles for Nonbarotropic Fluid Dynamics

A. Yahalom p. 280  abstract

Quantum-Chemical Study of the Surface of Potential Energy of Interaction of Ammonia with Hydrogen and Oxygen Atoms and Hydroxyl Radical

H. A. Harutyunyan, S. D. Arsentev, and A. H. Davtyan p. 290  abstract

Optical and Electrical Properties of Silver-Doped Zinc Oxide Films

N. Aghamalyan, R. Hovsepyan, M. Nersisyan, S. Petrosyan, G. Badalyan, I. Gambaryan, A. Poghosyan, and Y. Kafadaryan p. 297  abstract

Theory and Practice of the Synthesis of Polycrystalline Diamond Formations of the Natural Carbonado Type

A. N. Avagyan, K. G. Grigoryan, K. A. Sargsyan, G. S. Karakhanyan, and A. K. Kostanyan p. 305  abstract

Method of Pulsed Optical Imaging of Strongly Scattering Objects

S. V. Shmavonyan, A. M. Khanbekyan, F. A. Sargsyan, M. E. Movsisyan, and A. V. Papoyan p. 318  abstract

Solid-Phase Synthesis and Dielectric Properties of BaZr(BO3)2 Ceramics

A. K. Kostanyan, K. A. Sargsyan, G. S. Karakhanyan, A. A. Muradyan, A. N. Avagyan, and V. S. Harutyunyan p. 326  abstract

Photocatalytic and Radiation-Optical Properties of Bismuth Silicate Synthesized by the Microwave Method

A. A. Sargsyan, T. S. Azatyan, N. B. Knyazyan, T. V. Grigoryan, A. B. Ghazaryan, V. R. Harutyunyan, A. M. Aslanyan, A. A. Petrosyan, L. K. Qocharyan, K. N. Edilyan, and V. V. Baghramyan p. 334  abstract

High-Efficiency Thermoelectric Sensor with Tungsten Absorber for Registration of Single Photons of the Extremely Ultraviolet Range

A. A. Kuzanyan, V. R. Nikoghosyan, L. G. Mheryan, and A. S. Kuzanyan p. 342  abstract

Simulation of Tandem Perovskite/Silicon Solar Cell Characteristics with a Black Silicon Interlayer

G. Y. Ayvazyan, L. M. Lakhoyan, and A. Usman p. 348  abstract

Investigation of the Mode Composition of a Terahertz Pulse in a Nonlinear Crystal Partially Filling a Waveguide with Parallel Plates

A. S. Nikoghosyan, G. A. Parsamyan, A. A. Poghosyan, and V. R. Tadevosyan p. 354  abstract

Temperature-Frequency Dependence of the Dielectric Properties of Perlite-Based Nanocrystalline Glass-Ceramics

L. N. Grigoryan, P. G. Petrosyan, and A. A. Muradyan p. 361  abstract

Microwave Band-Pass Filtering Using Interacting Conducting Ring Resonators

N. Margaryan and G. Ohanyan p. 367  abstract

Testing of “Hard” Four-Block X-Ray Interferometer with Laue Geometry of Diffraction

T. H. Eyramjyan, T. S. Mnatsakanyan, and L. A. Haroutunyan p. 375  abstract