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Известия Саратовского университета. Новая серия: Физика
Scopus
ISSN 1817-3020 · Saratov State University · 259 artikel di indeks
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Artikel Jurnal Teks lengkap
In Memory of Valery Aleksandrovich Dubrovsky (1943–2026)
In Memory of Valery Aleksandrovich Dubrovsky (1943–2026).
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Artikel Jurnal Teks lengkap
The Physics Institute of Saratov University in the history of the fundamental university library
Background and Objectives: The Scientific Library of N. G. Chernyshevsky Saratov State University played a pivotal role in the establishment and development of the university’s educational and scientific excellence in the 20th century and remains significant today as a major collection of…
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Effect of IR pyrolysis temperature on the structure and properties of metal–carbon composites based on CoMn-ZIF bimetallic zeolite-like frameworks
Background and Objectives: Zeolitic imidazolate frameworks (ZIFs), particularly ZIF-67, serve as promising precursors for composite nanomaterials (Metal-organic frameworks, MOFs) across various applications due to their unique combination of crystalline architecture, mesoporosity, high specific…
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Numerical modeling of gas sensitivity of GaAs, InAs and GaP nanowires with account of surface states
Background and Objectives: Gas sensitivity of single semiconductor nanowires is strongly controlled by surface states and by the interplay between surface charge and bulk doping level. Nanowires based on III–V compounds such as GaAs, InAs and GaP combine high carrier mobility, controllable doping…
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Study of the influence of crystalline matrix on the fluorescence spectrum of compound С60/70
Background and Objectives: The object of this study is the fullerene compound C60/70, which is a mixture of 86% C60 and 14% C70 fullerenes – the most common product of graphite arc-discharge evaporation. The compound was stabilized in two different crystalline matrices: heptane (a linear alkane…
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Sequential ternary logic circuits
Background and Objectives: The availability of functional analog models of basic and auxiliary ternary logic elements of combinational logic in systems of computer-aided design enables the accurate modeling of complex digital ternary devices. However, implementing a ternary processor model…
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External influences for controlling optical properties of biotissue: From fundamental mechanisms to clinical applications
Background and Objectives: The field of biophotonics has witnessed rapid advancement, establishing non-invasive optical methods as a cornerstone for investigating biological tissues in both healthy and diseased states. Key advantages such as high sensitivity, functional contrast, and multimodal…
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Comparative analysis of the sensitivity of physiological markers of cognitive load
Background and Objectives: Physiological indices are widely used for non-invasive assessment of cognitive load, but the sensitivity of various indices remains poorly understood. This study compares the sensitivity of a set of physiological indices available for recording by wearable devices to…
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Transmission of a terahertz radiation modulator depending on parameters of a multilayer periodic liquid crystal structure
Background and Objectives: The aim of the research is an original design of a liquid crystal modulator of terahertz radiation using the phenomenon of multi-wave interference. Materials and Methods: To study the optical characteristics of a liquid crystal terahertz radiation modulator based on a…
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Influence of geometric parameters of an L-shaped metastructure on the backscattering pattern in the 16–25 GHz range
Background and Objectives: This study presents the results of numerical and experimental investigation of a planar metastructure composed of L-shaped resonators, aimed at controlling scattering in the 16–25 GHz range under normal incidence of a linearly polarized wave. The primary objective is to…
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Analytical solution of heat and mass transfer equations describing the solidification process with a constant velocity
Background and Objectives: This paper deals with the process of solidification of a binary liquid at a constant rate in the presence of a two-phase layer between the pure solid and liquid phases. A nonlinear system of equations describing this process is formulated, taking into account convective…
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Biographical bifurcations of professor Andrei V. Stalmakhov: On the 70th anniversary of his birth
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“The student Leontiev stands out in particular…” (On the biography of Professor Konstantin Alexandrovich Leontiev)
Background and Objectives: This article presents an extended biography of Konstantin Aleksandrovich Leontiev (1889–1932), professor, head of the Physics Department, and director of the Physics Institute (1921–1932) at N. G. Chernyshevsky Saratov State University. Materials and Methods: The study…
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Artificial Intelligence from a Physicist’s Perspective and Data by LLM DeepSeek
Background and Objectives. A semantic, etymological, and philosophical analysis of the term “artificial intelligence” is conducted. The semantic inconsistency between the components of this oxymoronic term is demonstrated and is proposed to be figuratively expressed in the form of an aphorism…
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Acoustic emission method for analyzing the structural evolution of foam-like media
Background and Objectives: In metastable gas-liquid foams, structural rearrangement occurs during their evolution under conditions of local mass transfer of the liquid and gas components of the system. Rearrangement and coalescence events of gas bubbles will be reflected in the foam’s acoustic…
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Dielectric and thermal properties of composites based on diisopropylammonium bromide and copper microparticles
Background and Objectives: Composite systems based on molecular ferroelectrics and metallic inclusions attract considerable attention due to the possibility of controlled modification of phase transition parameters and dielectric response. In contrast to extensively studied inorganic…
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Influence of hole diameter and carbonyl groups on the electronic properties of thin films of perforated graphene with almost circular holes
Background and Objectives: Perforated graphene is currently one of the most promising members of the carbon nanomaterial family due to its electronic, optical, catalytic, and sensor properties. Of particular interest to researchers is identifying patterns in controlling perforated graphene…
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Space charge and current instabilities in structures based on semi-insulating gallium arsenide
Background and Objectives: Current instabilities, like many other phenomena in semiconductors and semiconductor structures, are determined by many internal and external factors, which makes it possible to create, using them, either simply all kinds of sensors for various physical effects, or active…
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Predictive evaluation of barium evaporation ratefrom the surface of a porous metal thermionic cathode: A mathematical model based on experimental data for B- and M-type cathodes
Background and Objectives: Based on the analysis of experimental studies regarding the evaporation rate patterns of the main component of the active substance – barium – from the surface of B- and M-type cathodes, a methodology for the predictive evaluation of its evaporation rate has been…