Vol. 68, No. 2, 2026

Physics of the Solid State

Defects in Kesterite Type Compounds: Analysis Based on the Results of Transport Investigations

Erkki Lähderanta, E. Hajdeu-Chicarosh, Ernest Arushanov, and K. G. Lisunov p. 117 abstract

Effect of Screening of the Coulomb Field of an Impurity Ion on the Electrical Conductivity of a Two-Dimensional Electron Gas in a Semi-Parabolic Quantum Well

H. I. Huseynov, Z. A. Jahangirli, A. P. Abdullayev, and M. M. Mahmudov p. 127 abstract

Performance Trade-Offs and Optimization of Single and Dual-Layer Passivation AlGaN/GaN HEMTs with Double-Deck Gate Field Plate

Pichingla Kharei, Achinta Baidya, and Niladri Pratap Maity p. 134 abstract

Effect of Γ–X Band Crossover on Resonant Tunneling Properties in GaAs/Ga_0.7Al_0.3As with Dresselhaus Spin-Orbit Interaction

A. Meharajbegum, V. J. Priyadharshini, D. Gopinath, S. Rafi Ahamed, L. Bruno Chandrasekar, P. Shunmuga Sundaram, Sonaimuthu Mohandoss, M. Karunakaran, D. Shanmugapriya, and J. Thirumalai p. 147 abstract

Synthesis and Characterization of CH₃NH₃SnI₃ and CH₃NH₃SnICl₂ Tin-Based Halide Perovskite Films

Maarif Jafarov, Sevinj Nuriyeva, Aynura Karimova, Mustafa Muradov, Lala Gahramanli, Habiba Shirinova, Flora Hajiyeva, and S. Mammadova p. 154 abstract

Theoretical Investigation of the Structural, Electronic, Magnetic, and Mechanical Properties of the Full-Heusler Alloy Co₂MnGa

Walid Bendjeddou, Mohamed Tourab, Zeyneb Bordjiba, Rabie Amraoui, Salim Kadri, Amor Bouaricha, Salah Aguib, and Rahmaoui F. E Zakaria p. 164 abstract

Comparative Optical Response and Structural Properties of CdS in Zinc-Blende and Wurtzite Phases: A First-Principles Investigation

Abdelghani Khaldi, Mohamed Redha Khelladi, Nadir Bouarissa, and Laurent Tabourot p. 172 abstract

A Compact Maintenance-Free 35 Tesla Pulse Magnetic Field Setup Powered by Mains Electricity

E. A. Fadeev, M. A. Chakhov, A. Sedda, and E. Lahderanta p. 179 abstract

Role of Bismuth and Strontium A-Site Dopants on the Structural Evolution of Sol-Gel Derived Barium Titanate

Nabiya Iqbal, Anju Dixit, and Pramod S Dobal p. 191 abstract

Structural, Electronic, and Thermoelectric of Half-Heusler Alloys XHfSb (X = Co and Rh) Using First Principles Calculations

K. D. Ajayi, P. O. Adebambo, J. O. Akinlami, I. O. Olowookere, and M. O. Omeike p. 202 abstract

Contents

Physics of the Solid State