Contents

Doklady Physics

---

Vol. 69, No. 10-12, 2024

---

The Absorption Coefficient in Various Gases in the Range of Temperatures of 300–30 000 K and Pressures of 1–30 Atm

S. A. Averyanova, N. K. Kurakina, N. V. Obraztsov, and E. N. Tonkonogov p. 81  abstract

Symmetries of the Classical Heisenberg Model

A. B. Borisov, and D. V. Dolgikh p. 88  abstract

The Equations of State of Carbon-Fiber Composite, Epoxy Resin, and Carbon and the Principle of Additivity at High Pressures

I. V. Lomonosov p. 94  abstract

Development of Gd-Doped C–Al₂O₃ Nanospheres for Biomedical Application in Drug Delivery

Tahseen Sana, Hafeez Ullah, Muhammad Abdul Majid, Zahida Batool, Syed Mujtaba ul Hassan, Wesam Atef Hatamleh, and Muhammad Umar Dad p. 97  abstract

The Dependence of the Elemental Composition of AlN Films on the Ratio of Argon and Nitrogen in a Plasma-Forming Gas Stream during Magnetron Sputtering of an Aluminum Target

B. T. Baisova, L. V. Baranova, and V. I. Strunin p. 104  abstract

Energy Conservation Equations of Motion

N. A. Vinokurov p. 108  abstract

---