Contents

Journal of Contemporary Physics (Armenian Academy of Sciences)

Vol. 58, No. 4, 2023

Experimental Installation Based on LPMWPC and SSD Detectors for Registration and Identification of Alpha Particles and Fission Fragments

A. R. Balabekyan, G. H. Hovhannisyan, S. V. Gaginyan, G. M. Ayvazyan, H. G. Zohrabyan, V. H. Khachatryan, H. S. Vardanyan and A. T. Margaryan p. 321  abstract

Comparison of Gamma Activation Analysis and Instrumental Neutron Activation Analysis of Geological Samples

A. Y. Aleksanyan, S. M. Amirkhanyan, A. G. Aperyan, H. R. Gulkanyan, T. V. Kotanjyan, M. A. Levonyan, V. S. Pogosov, L. A. Poghosyan, A. S. Saakov and A. A. Shahinyan p. 326  abstract

On Modernization of the LEE-75 Linear Electron Accelerator of the AANL (YerPhI)

L. R. Vahradyan p. 333  abstract

Helical Vacuum Currents for a Scalar Field in Models with Nontrivial Spatial Topology

A. A. Saharian, D. H. Simonyan, H. H. Mikayelyan and A. A. Vantsyan p. 341  abstract

Vector Non-Stationary Electromagnetic Diffraction Fields and Fields of Charges in Media

M. K. Balyan p. 349  abstract

Absorptive Atom Interferometer

A. Zh. Muradyan p. 355  abstract

Narrow-Band Terahertz Pulse Generation in Lithium Niobate Crystal Using Phase Mask

Y. H. Avetisyan and A. H. Makaryan p. 362  abstract

Photoinduced Local Lattice Vibrations in a Ruby Crystal under Optical Pumping of the 2T1 State

V. S. Arakelyan p. 369  abstract

Absorption of Hypersonic Waves in Doped Lithium Niobate Single Crystals

A. V. Yeganyan, N. E. Kokanyan and E. P. Kokanyan p. 375  abstract

Formation of Luminescence Bands of Ce3+ Ions in YAG:Ce Crystals

T. I. Butaeva, K. L. Hovhannesyan and A. V. Yeganyan p. 378  abstract

Investigation of Nanostructured Fe2O3:ZnO Sensor by Impedance Spectroscopy

G. H. Shahkhatuni p. 385  abstract

Pair-Interacting Heavy Holes Gas in a Strongly Prolate Ellipsoidal Quantum Dot: Thermodynamic Properties

M. A. Mkrtchyan, Y. S. Mamasakhlisov and H. A. Sarkisyan p. 391  abstract

Microwave–Assisted Synthesis of SiO2/ZnO Photocatalyst with Core-Shell Structure

A. A. Sargsyan, R. A. Mnatsakanyan, T. V. Grigoryan, A. A. Kazaryan, A. A. Petrosyan, V. V. Harutyunyan, A. O. Badalyan, N. R. Aghamalyan and V. V. Baghramyan p. 397  abstract

Possibilities of Creating X-Ray Acoustic Elements from Bi-Phthalate Family Crystals with Thickness Vibrations

Ya. A. Eliovich, V. R. Kocharyan, A. E. Blagov, A. V. Targonsky, V. A. Korzhov, A. E. Movsisyan, A. V. Shahverdyan, S. N. Noreyan, A. G. Mkrtchyan and M. V. Kovalchuk p. 405  abstract

Hierarchical Antireflective Surface of Silicon Substrates for Tandem Solar Cells

G. Y. Ayvazyan p. 410  abstract

Platinum-Containing Detection Pixel of a Thermoelectric Single-Photon Detector

A. A. Kuzanyan, V. R. Nikoghosyan and A. S. Kuzanyan p. 415  abstract

Application of a Drone in the On-Site Antenna Measurements of the Radar of an Ultrashort Meter Waveband

M. V. Markosyan, A. H. Avetisyan, A. K. Aharonyan, H. G. Martirosyan, E. A. Harutyunyan, G. Z. Sughyan and R. A. Davtyan p. 422  abstract

Interaction of Serum Albumin with Erythrosine B under the Influence of Millimeter-Range Electromagnetic Waves

M. A. Parsadanyan, M. A. Shahinyan, S. V. Grigoryan, M. S. Mikaelyan, G. H. Poghosyan, V. P. Kalantaryan and P. O. Vardevanyan p. 428  abstract

Improving the Quality of X-Ray Images Formed by a Diffraction Lens from a Two-Block Crystalline System

L. A. Haroutunyan p. 435  abstract

Vacuum Window for IBA C18 Twin Cyclotron’s Beamline

A. A. Manukyan p. 441  abstract