Contents

Journal of Contemporary Physics (Armenian Academy of Sciences)

Vol. 56, No. 2, 2021

Experimental Study of the Production of Medical Isotope Gallium-67 on the Beam of Yerevan Cyclotron

G. E. Elbakyan p. 73  abstract

The Extraction of the Near-Threshold J/ψ-Meson Photoproduction Reaction from Experimental Electroproduction Data

D. A. Martiryan, N. B. Dashyan and N. E. Gevorgyan p. 79  abstract

“Professor2” Package for Tuning the Parameters of Fragmentation Process in e+e– Annihilation

V. A. Muradyan, N. Z. Akopov, H. M. Ghumaryan and G. A. Karyan p. 85  abstract

On Quantum Tunneling of a Singular Potential

A. Zh. Muradyan p. 91  abstract

Linearly Polarized Light Transmission from a Pair of Cycloidal Diffractive Waveplates

V. Muradyan, M. R. Akopyan and R. S. Akopyan p. 98  abstract

The Polarization of Laser Generation from the Cholesteric Liquid Crystal–Dye-Doped Polymer Layer–Cholesteric Liquid Crystal System

T. M. Sarukhanyan p. 103  abstract

Influence of Ultraviolet Rays on Sensitivity of Sensors for Acetone Vapor Detection

M. S. Aleksanyan, A. G. Sayunts, V. M. Aroutiounian, G. E. Shahnazaryan and G. H. Shahkhatuni p. 109  abstract

Non-Invasive Metal Oxide Sensors on Exhaled Aceton

V. M. Aroutiounian p. 117  abstract

Geometric Features and Numerical Analysis of InAsSbP Composition Micro- and Nanostructures Shape Transformation at Nucleation from Liquid Phase

K. M. Gambaryan and V. M. Aroutiounian p. 133  abstract

Study of Gas Sensitivity of SnO2❬Nb❭ Film in Liquefied Petroleum Gas

M. S. Aleksanyan, A. G. Sayunts, G. H. Shahkhatuni, G. E. Shahnazaryan and V. M. Aroutiounian p. 139  abstract

Impact of Sr(BO2)2 Dopant on Power Factor of Bi2Sr2Co1.8Oy Thermoelectric

A. S. Kuzanyan, N. G. Margiani, V. V. Zhghamadze, I. G. Kvartskhava, G. A. Mumladze and G. R. Badalyan p. 146  abstract

Synthesis and Structure of Fe-Fe3O4 Nanoparticles with “Core-Shell” Architecture Capsulated in a Graphite-Like Carbon Matrix

A. T. Gyulasaryan, K. A. Castillo, O. O. Bernal, A. N. Kocharian, N. Sisakyan, G. K. Chilingaryan, A. A. Veligzhanin, J. L. Gray, E. G. Sharoyan and A. S. Manukyan p. 150  abstract

Hard X-Ray Off-Axis Fresnel Holography using Two-Block Fresnel Zone Plate Interferometer

L. A. Haroutunyan and M. K. Balyan p. 154  abstract