Contents

Bulletin of the Lebedev Physics Institute

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Vol. 52, No. 12, 2025

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Anomalous Magnetic Flux Flow in Superconducting Niobium Nitride Films

M. A. Vasyutin, N. D. Kuzmichev, and D. A. Shilkin p. S1231  abstract

Simulation of the NbN Film Heating Process by a Current Pulse

N. D. Kuzmichev, E. V. Danilova, M. A. Vasyutin, and D. A. Shilkin p. S1236  abstract

Magnetic Pinning and Substantial Enhancement of Critical Current in Iron-Doped YBaCuO

K. S. Pigalskiy, A. A. Vishnev, N. N. Efimov, P. N. Vasilyev, A. V. Shabatin, and L. I. Trakhtenberg p. S1242  abstract

Synthesis and Growth of Single Crystals of a New Topologically Nontrivial Compound CaSn₂As₂

M. A. Feshina, A. S. Medvedev, V. A. Vlasenko, A. I. Shilov, and K. S. Pervakov p. S1248  abstract

Novel High-Entropy Superconductor (Na_0.2K_0.2Rb_0.2Sr_0.2Ba_0.2)Fe₂As₂

A. D. Denishchenko, V. A. Vlasenko, and K. S. Pervakov p. S1252  abstract

Monte Carlo Simulation of the Effect of Various Types of Artificial Defects on the Critical Current of the HTS Tape

A. N. Maksimova, A. N. Moroz, S. V. Pokrovskii, and V. A. Kashurnikov p. S1257  abstract

The Effect of Pinning Center Configuration on Transient Processes at Microsecond Current Pulses

A. N. Maksimova, A. N. Moroz, S. V. Pokrovskii, and V. A. Kashurnikov p. S1265  abstract

Numerical Analysis of Normal Zone Propagation Processes in Cables for Superconducting Magnetic Energy Storage Systems

I. V. Martirosian, D. A. Aleksandrov, and S. V. Pokrovskii p. S1274  abstract

Synthesis and Characterization of CaAFe₄As₄ (A = K, Rb, Cs) Superconductors

A. S. Medvedev, V. A. Vlasenko, and K. S. Pervakov p. S1282  abstract

Eigenmodes of the Radial Current Decay in No-Insulation HTS Coils

D. S. Yashkin, D. N. Diev, A. V. Polyakov, and A. V. Naumov p. S1287  abstract

Calculation of Operating Parameters of Spherical Tokamak’s Superconducting Magnetic System

D. A. Aleksandrov, I. V. Martirosian, E. A. Vinitsky, and M. A. Osipov p. S1292  abstract

Alternating Current Oscillation Shaper for Superconductor Research

E. P. Krasnoperov, N. S. Levchenko, and A. V. Prutkov p. S1298  abstract

Magnetorheological Polishing of HTSC Substrates Based on Spherical Particles Obtained by the Liquid Anode Method

Yu. S. Baryshnikov, I. A. Rodionov, F. A. Orlov, A. D. Trofimuk, E. B. Pilgun, and S. A. Ponyaev p. S1306  abstract

Contribution of Spin‒Orbit Interaction in a Two-Dimensional Superconductor to the Vortex Supercurrent

A. O. Zlotnikov p. S1311  abstract

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