Contents

Physics of the Solid State

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Vol. 68, No. 10, 2026

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Elastic Properties and Acoustic Waves in TlFeS₂ and TlFeSe₂ Crystals

N. A. Abdullayev, Z. I. Badalova, Z. A. Jahangirli, R. A. Hasanova, S. S. Osmanova, Kh. V. Aliguliyeva, Yu. A. Abdullayev, S. Sh. Gahramanov, I. Q. Qasimoglu, S. S. Ragimov, and A. M. Kerimova p. 821  abstract

On the Origin of the Positive Curie–Weiss Temperature in Ferrimagnetic GdTiO₃

Airat Kiiamov p. 829  abstract

Cross-Relaxation Dynamics in a Neodymium Doped Chalcogenide Crystal

S. G. Asadullayeva and T. G. Naghiyev p. 832  abstract

Stability of Tripartite Entangled State in Spin Trimer Coupled to a Magnetic Ion

C.-I. Kim, C.-H. Jong, T.-S. So, C.-S. Yun, and C.-J. Kang p. 837  abstract

Glass Transition and Crystallization Kinetics of Ge_17.5As₁₅Se_52.5S₁₅ Chalcogenide Glass

Samir Mammadov, Salima Mekhtiyeva, Rahim Alekberov, and Lamiye Afendiyeva p. 848  abstract

Effect of SiC Content on Structural, Optical, and Dielectric Characteristics of PVA-Based Nanocomposites: A Comprehensive Study

L. Gahramanli, M. Jafarov, M. Muradov, and Sh. Alekberova p. 853  abstract

Thermally Stable Perpendicular Magnetic Anisotropy in MgO-Free CoFeB/Heavy Metal Bilayers Grown by Pulsed Laser Deposition

G. Kirichuk, A. Grunin, A. Goikhman, and K. Maksimova p. 860  abstract

Cobalt Ferrite Nanoparticles Conjugated with Methylene Blue: A Promising Approach for Photodynamic Therapy in Breast Cancer

Hilal Çalık, Banu Süngü Mısırlıoğlu, N. Didem Kahya, and Rabia Cakir p. 868  abstract

Synthesis of Carbon Nanospheres via Self-Aggregation of SB3-12@NaCl

Chen Li, Huan Zhang, Zihan Zhen, and Chenglong Shi p. 880  abstract

First-Principles Insights into Cs₂BiCuBr₆ and Cs₂BiCuI₆ Double Perovskites for Energy Applications

R. Mahesh, Anand Pandarinath M, M. Sravan Kumar, P. Sarah, and P. Venugopal Reddy p. 886  abstract

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