Chinese Journal of Physics最新文献

{"title":"Resolve magnetic permeability modes of RF absorbers made from NiCoZn spinel ferrite assisted by FORC measurements","authors":"Man-Gui Han,&nbsp;Kai-Xiang Kuang","doi":"10.1016/j.cjph.2024.12.008","DOIUrl":"10.1016/j.cjph.2024.12.008","url":null,"abstract":"<div><div>The features of inhomogeneous microstructures were revealed by the particle size distributions analysis and first order reversal curves (FORC) measurements, the permeability dispersion spectra of (Ni_0.4Zn_0.59Co_0.01)Fe₂O₄ spinel ferrites had been well resolved with four modes of magnetic losses. The fitting results showed that two relaxation modes made major contributions to the permeability dispersion. The permittivity dispersion behaviors were well fitted based on the Cole - Cole law, which assumed the existence of the distribution of relaxation time. The circular arc diagram of <em>ε′- ε″</em> also justified the application of Cole-Cole permittivity law in NiCoZn ferrite. The relaxation time of polarization with the highest probability was about 4.314 × 10^-7 seconds. The results also showed that NiCoZn ferrites had a good radio frequency (RF) absorbing capability within 45 MHz – 400 MHz, which was well explained based on the contour map of impedance match coefficients.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 94-102"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of interface traps to affect monolayer MoS2 phototransistor","authors":"Tzu-En Huang ,&nbsp;Chen-Yu Wang ,&nbsp;Hua-Hsing Liu ,&nbsp;Bor-Wei Liang ,&nbsp;Ruei-Yu Hsu ,&nbsp;Yu-Yang Chen ,&nbsp;Yann-Wen Lan ,&nbsp;Kuan-Ming Hung ,&nbsp;Kuang Yao Lo","doi":"10.1016/j.cjph.2024.12.007","DOIUrl":"10.1016/j.cjph.2024.12.007","url":null,"abstract":"<div><div>With high quantum efficiency, layer-dependent bandgap, and minimal dark current, molybdenum disulfide (MoS₂) phototransistors show promise in scientific research and practical applications. The atomic layer thickness of monolayer MoS₂ on silicon dioxide (SiO₂) significantly influences properties such as mobility and carrier concentration due to interfacial traps. These traps lead to an increase in dark current, thus reducing photo-detectivity and sensitivity in MoS₂-based photodetectors. In this study, we explore a MoS₂-based field-effect phototransistor with interfacial trap effects at the MoS₂/SiO₂ and Si/SiO₂ interfaces. Varying source-drain voltage, gate voltage, and illumination power, we examine the impact of interface traps. Our results reveal the emergence of an optically induced field (OIF) during illumination, originating from the interaction between photon-generated electrons and interfacial traps. OIF significantly influences both strength and direction of photocurrent. These findings provide a novel approach to studying interface traps in ultrathin material phototransistors, contributing to advancements in this field.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 233-242"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Particle dynamics and QPOs around a black hole coupled with nonlinear electrodynamics and cloud of strings","authors":"G. Mustafa ,&nbsp;Faisal Javed ,&nbsp;S.K. Maurya ,&nbsp;Assmaa Abd-Elmonem ,&nbsp;Arzu Cilli ,&nbsp;Farruh Atamurotov ,&nbsp;Ertan Güdekli","doi":"10.1016/j.cjph.2024.11.002","DOIUrl":"10.1016/j.cjph.2024.11.002","url":null,"abstract":"<div><div>We explore the motion of particles around a black hole coupled with nonlinear electrodynamics and a cloud of strings and examine the effects of the parameters of the black hole on the motion of particles. This black hole spacetime consists of five parameters, <span><math><mi>M</mi></math></span> the mass of the black hole, <span><math><mi>α</mi></math></span> the deviation parameters that determine the deviation from the Bardeen black hole, <span><math><mi>Q</mi></math></span> the magnetic charge, <span><math><mi>β</mi></math></span> which describes the cloud of strings, and the parameter <span><math><mi>K</mi></math></span> which describes the cosmological constant. We investigate the effect of these involved parameters on different physical quantities like horizon structure, effective potential, specific energy, angular momentum, innermost stable circular orbit and trajectories. Effective force is also discussed within the scope of different values of these involved parameters. We explore the oscillatory motion of neutral particles by perturbing the equations of motion near the stable circular orbits. Frequencies measured by local and distant observers are also calculated for the different choices of the involved parameters. Interestingly, Periastron precession is also investigated for the considered black hole solution. Lastly, we analyze the collision of two neutral test particles. All the investigated results are summarized with physically required behavior.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 1-17"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced ammonia gas sensing response of Al-hyperdoped black silicon sensor at room temperature","authors":"Yuan Li ,&nbsp;Guojin Feng ,&nbsp;Xiaolong Liu ,&nbsp;Hua Li ,&nbsp;Binbin Dong ,&nbsp;Li Zhao","doi":"10.1016/j.cjph.2024.12.013","DOIUrl":"10.1016/j.cjph.2024.12.013","url":null,"abstract":"<div><div>Al-hyperdoped black silicon (Al-BSi) is prepared by femtosecond laser-assisted chemical etching, and the material surface was characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). The gas sensing performance of the Al-BSi sensor to NH₃ at room temperature was systematically studied, and the sensor has the characteristics of high responsivity, fast response speed, good selectivity, and long-term durability. The NH₃ gas sensing ability is effectively enhanced by the introduction of Al dopants, and the responsivity is more than 1.76 times higher than that without Al hyperdoping. In addition, the band structure of the Al-hyperdoped layer was calculated using first principles, and the potential mechanism of the enhanced responsivity of the Al-BSi sensor was proposed. These results are helpful for the development of high-precision and high-reliability gas sensors based on Al-BSi, opening up potential applications in different fields such as environmental monitoring and industrial safety.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 381-388"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Computational intelligence investigations on the correlation of pharmaceutical solubility in mixtures of binary solvents: Effect of composition and temperature","authors":"Mohammed Alqarni ,&nbsp;Ali Alqarni","doi":"10.1016/j.cjph.2024.12.021","DOIUrl":"10.1016/j.cjph.2024.12.021","url":null,"abstract":"<div><div>In this study, we investigated the predictive modeling of solubility as a function of temperature, solvent type, and mass fraction through the implementation of advanced machine learning techniques. The case study is solubility of Rivaroxaban in binary mixtures of dichloromethane and alcohols with varying compositions. Given the non-linear and complex nature of solubility phenomena, we employed three regression models—K-Nearest Neighbors (KNN), Support Vector Machine (SVM), and Matern Gaussian Process Regression (MGPR)—to capture complex interactions between variables. Stochastic Fractal Search (SFS) was utilized for hyper-parameter tuning of the regression models. The model's performance was evaluated using helpful metrics, such as the coefficient of determination (R²), Mean Squared Error (MSE), Mean Absolute Error (MAE), and Mean Absolute Percentage Error (MAPE) to assess accuracy and reliability. Among the models tested, MGPR demonstrated superior performance achieving an exceptional R² of 0.973. This reflects MGPR's strong ability to generalize to new data and capture solubility behavior nuances. In comparison, SVM and KNN models, while moderately accurate, did not match MGPR's precision.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 503-514"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"First-principles study on the structural, mechanical and optoelectronic properties of the hydrogenated and fluorinated dumbbell silicene monolayers and their vertical heterostructures","authors":"Gang Guo ,&nbsp;Fuming Du ,&nbsp;Gencai Guo ,&nbsp;Ping Li","doi":"10.1016/j.cjph.2024.12.029","DOIUrl":"10.1016/j.cjph.2024.12.029","url":null,"abstract":"<div><div>Using first-principles calculations, we systematically investigate the structural, mechanical, and optoelectronic properties of hydrogenated and fluorinated dumbbell silicene (DB-SiH and DB-SiF) monolayers, as well as their vertical heterostructures. Ab initio molecular dynamics (AIMD) calculations demonstrate that both the DB-SiH and DB-SiF monolayers, along with their heterostructures, exhibit excellent structural and thermal stability. Furthermore, hydrogenation and fluorination can increase the band gap of dumbbell silicene, resulting in a direct band gap of 1.99 eV and an indirect band gap of 1.55 eV, respectively. The work function of dumbbell silicene can be effectively tuned by the chemical functionalization. The DB-SiH/DB-SiF heterostructures display direct band gap characteristics and a typical type-II band alignment. Notably, the significant charge transfer from DB-SiH to DB-SiF induces a built-in electric field at the interface of the heterostructures, which facilitates the separation of electrons and holes. Additionally, the DB-SiH/DB-SiF heterostructures exhibit enhanced visible light absorption coefficients compared to those of the individual monolayers. The interesting findings suggest that these novel structures hold valuable potential for applications in optoelectronics.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 564-576"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Generalized Hawking radiation power corresponding to Sharma–Mittal entropy","authors":"Hasan Dashtianeh,&nbsp;Jafar Sadeghi","doi":"10.1016/j.cjph.2024.12.017","DOIUrl":"10.1016/j.cjph.2024.12.017","url":null,"abstract":"<div><div>The effective radius of the black hole radiation as <span><math><msub><mrow><mi>r</mi></mrow><mrow><mi>A</mi></mrow></msub></math></span>, determines the area in space–time around the black hole with radius <span><math><msub><mrow><mi>r</mi></mrow><mrow><mi>B</mi><mi>H</mi></mrow></msub></math></span>, which is the source of the black hole’s Hawking radiation. Also here, it should be noted that, the effective radius as a geometric bound of a specific area around the black hole plays an important role in understanding the thermodynamics of the black hole. The general belief based on Hawking’s opinion was that <span><math><mrow><msub><mrow><mi>r</mi></mrow><mrow><mi>A</mi></mrow></msub><mo>∼</mo><msub><mrow><mi>r</mi></mrow><mrow><mi>B</mi><mi>H</mi></mrow></msub></mrow></math></span> but Giddings concluded that <span><math><mrow><msub><mrow><mi>r</mi></mrow><mrow><mi>A</mi></mrow></msub><mo>∼</mo><mn>2</mn><msub><mrow><mi>r</mi></mrow><mrow><mi>B</mi><mi>H</mi></mrow></msub></mrow></math></span>. On the other hand, many researches have shown that the generalized entropies for the describing gravitational phenomena more appropriate than the Boltzmann–Gibbs entropy. Among the generalized entropies, we can mention Tsallis, Renyi and Sharma–Mittal entropies. Generally one can say that the Sharma–Mittal entropy can be converted into Tsallis and Renyi entropies under certain conditions. Therefore, the question that arises here is that, by changing surface entropy of black hole to Sharma–Mittal entropy, how will be compatible the effective radius of the black hole with Hawking’s and Gidding’s point of view ? Or how is changed the effective radius by changing the surface entropy of black hole? Our main motivation for presenting this paper is that we have to give answer the above mentioned question.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 430-436"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Raman spectroscopy of HgPSe3 thin flakes and its application to near UV-to-visible photodetectors","authors":"Yung-Lan Chuang ,&nbsp;Yu-Tsun Yao ,&nbsp;Bo-Cheng Yang ,&nbsp;Chin-Shan Lue ,&nbsp;Chia-Nung Kuo ,&nbsp;Ming-Lun Lee ,&nbsp;Jinn-Kong Sheu","doi":"10.1016/j.cjph.2024.12.016","DOIUrl":"10.1016/j.cjph.2024.12.016","url":null,"abstract":"<div><div>This study investigates the dependence of Raman spectroscopy on the number of layers in HgPSe₃ using excitation lasers at 532 nm and 633 nm. Notably, both bulk HgPSe₃ and mechanically exfoliated thin flakes exhibit two prominent Raman peaks at 147.8 and 213.9 cm⁻¹. This observation suggests that flake thickness has an insignificant influence on the characteristic Raman spectra, indicative of a high degree of structural uniformity within the material. HgPSe₃ thin flakes are used as light-absorbing materials for photodetector (PD) devices. The fabricated PDs demonstrate remarkably low dark currents on the order of femtoamperes. Their spectral response ranges from 400 nm to 630 nm, with a well-defined cutoff around 590 nm, suggesting a bandgap of approximately 2.1 eV for HgPSe₃. Furthermore, the photodetectors achieve a response time of approximately 28 ms at a bias voltage of 5 V and an illumination wavelength of 500 nm. These promising results underscore the potential of HgPSe₃ thin films as active materials in ultraviolet-visible photodetectors.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 409-417"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring heat generation and magnetic effects on unsteady ternary nanofluid flow over a dynamic wedge in porous media","authors":"Yun Ouyang ,&nbsp;Md Faisal Md Basir ,&nbsp;Kohilavani Naganthran ,&nbsp;Ioan Pop","doi":"10.1016/j.cjph.2024.12.026","DOIUrl":"10.1016/j.cjph.2024.12.026","url":null,"abstract":"<div><div>In the die-slit process, unsteady MHD ternary nanofluid flow over a moving wedge helps enhance material quality and production efficiency. This study specifically examines unsteady MHD flow dynamics involving heat generation/absorption, viscous dissipation, and Ohmic heating effects, using a ternary nanofluid composed of <span><math><mrow><msub><mrow><mtext>Al</mtext></mrow><mrow><mn>2</mn></mrow></msub><msub><mrow><mtext>O</mtext></mrow><mrow><mn>3</mn></mrow></msub></mrow></math></span>-CuO-Cu/water over a moving wedge. Mathematical modeling and numerical computation analyze how heat generation/absorption impacts flow characteristics. Critical values for single and dual solutions are obtained using BVP4C in MATLAB, with dual solutions for leftward wedge motion and a single solution for rightward motion. Graphical results illustrate the influence of key parameters — involving the moving parameter, wedge parameter, Eckert number, magnetic parameter, heat source/sink parameter, and Darcy number — on flow dynamics and thermal transfer. The main results show that convective thermal transfer rises with larger values of the suction/injection parameter, unsteadiness parameter, Eckert number, and magnetic parameter, while it decreases during the rinsing process for the wedge angle parameter, Darcy number, and heat source/sink parameter. When the moving wedge parameter is −4, the heat transfer of THNF is 0.44% higher than NHF and 1.30% higher than NF. This study proposes a novel formulation for the time-varying permeability of a porous medium influenced by a moving wedge, offering valuable insights to enhance material properties, minimize waste, and improve precision in the extrusion process.</div></div>","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 531-548"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analytical and numerical study of MHD natural convection in a slender porous cavity due to lateral uniform heat flux: Effect of LTNE state","authors":"Harish Chandra ,&nbsp;Abhishek K. Sharma","doi":"10.1016/j.cjph.2024.11.022","DOIUrl":"10.1016/j.cjph.2024.11.022","url":null,"abstract":"&lt;div&gt;&lt;div&gt;In this work, the study of local thermal non-equilibrium (LTNE) state on magnetohydrodynamic (MHD) natural convection inside a radiative porous enclosure is investigated numerically as well as analytically. The motion of the flow is induced due to constant heat flux on side walls, while horizontal walls are insulated. A Darcy model to describe the two-dimensional flow governing equations has been adopted. These equations are solved numerically by using the Alternate Direction Implicit (ADI) method and analytically by implementing the parallel flow assumption valid for large aspect ratios. Boundary layer analysis is also carried out to describe the boundary layer thickness &lt;span&gt;&lt;math&gt;&lt;mfenced&gt;&lt;mrow&gt;&lt;mi&gt;δ&lt;/mi&gt;&lt;mi&gt;x&lt;/mi&gt;&lt;mo&gt;∼&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mfenced&gt;&lt;mrow&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;T&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;mi&gt;H&lt;/mi&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/mfrac&gt;&lt;/mrow&gt;&lt;/mfenced&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mo&gt;−&lt;/mo&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;mn&gt;5&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/mfenced&gt;&lt;/math&gt;&lt;/span&gt; as well as the heat transfer rate &lt;span&gt;&lt;math&gt;&lt;mfenced&gt;&lt;mrow&gt;&lt;mi&gt;N&lt;/mi&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;u&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;f&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;mo&gt;∼&lt;/mo&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mfenced&gt;&lt;mrow&gt;&lt;mfrac&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;msub&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mi&gt;T&lt;/mi&gt;&lt;/mrow&gt;&lt;/msub&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;1&lt;/mn&gt;&lt;mo&gt;+&lt;/mo&gt;&lt;mi&gt;D&lt;/mi&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;mspace&gt;&lt;/mspace&gt;&lt;mi&gt;H&lt;/mi&gt;&lt;msup&gt;&lt;mrow&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/mfrac&gt;&lt;/mrow&gt;&lt;/mfenced&gt;&lt;/mrow&gt;&lt;mrow&gt;&lt;mn&gt;2&lt;/mn&gt;&lt;mo&gt;/&lt;/mo&gt;&lt;mn&gt;5&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/mrow&gt;&lt;/mfenced&gt;&lt;/math&gt;&lt;/span&gt; of the fluid phase. This study is carried out to get a better perspective of the LTNE state between fluid and solid phases inside the radiative porous medium. The influence of LTNE parameters (&lt;span&gt;&lt;math&gt;&lt;mi&gt;H&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt; and &lt;span&gt;&lt;math&gt;&lt;mi&gt;γ&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;), aspect ratio (&lt;span&gt;&lt;math&gt;&lt;mi&gt;A&lt;/mi&gt;&lt;/math&gt;&lt;/span&gt;), Hartmann number (&lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;H&lt;/mi&gt;&lt;mi&gt;a&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;), and radiation parameter &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;mi&gt;d&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; on the flow dynamics and heat transfer mechanism are analyzed. From our numerical investigation, it is found that in the entire study, the flow structure is controlled by unicellular, and the average Nusselt number of the solid phase increases with the value of &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;mi&gt;d&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;. However, on increasing the value of &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;mi&gt;d&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt;, the heat transfer rate of the fluid phase depends on the values of LTNE parameters. For increasing the value of &lt;span&gt;&lt;math&gt;&lt;mrow&gt;&lt;mi&gt;R&lt;/mi&gt;&lt;mi&gt;d&lt;/mi&gt;&lt;/mrow&gt;&lt;/math&gt;&lt;/span&gt; from 1 to 10, the maximum reduction in the heat transfer rate of the fluid (solid) phase is reported to be up to 178% (7.31%) at 10 times enhancement in the electric field. For small values of &lt;span&gt;&lt;math","PeriodicalId":10340,"journal":{"name":"Chinese Journal of Physics","volume":"93 ","pages":"Pages 389-408"},"PeriodicalIF":4.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143167088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}