Contents

Doklady Physics

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Vol. 71, No. 9, 2026

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PHYSICS

Mixed-Phase Fe₃O₄/FeO Nanoclusters Derived from Jojoba Oil: Structural Insights and Electrical Performance for Sustainable Electronic Applications

Abdulaziz Almalki p. 299  abstract

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ENGINEERING SCIENCES

Impact of Lateral Scaling on the High-Frequency Performance of β-Ga₂O₃ Back-Barrier GaN HEMTs with a Graded InAlN Buffer

P. Muthu Subramanian, T. Subhashini, Jackson Daniel, and Veeranki Srinivasa Rao p. 305  abstract

Enhancing Prostate-Specific Antigen (PSA) Density Analysis Using Advanced OTFT Biosensor Technology

Rajesh Kumar Tiwari, Rajesh Mishra, Sanjay Kumar Sharma, Sandeep Kumar Ojha, and Anushka Ojha p. 320  abstract

Dual-Gate Al_0.23Ga_0.77N/GaN MOSHEMT-Based Biosensor for Simultaneous Detection of CEA and HER2 Cancer Biomarker

Rohit Ranjan, Harsh Vikram Singh, and Sarvesh Dubey p. 327  abstract

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