Doklady Physics最新文献_第2页

Mixed-Mode Circuit Analysis of Negative Capacitance Heterostructure Nanotube TFETs for Analog On-Chip Applications 片上模拟应用负电容异质结构纳米管tfet的混合模式电路分析

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-08-10 DOI: 10.1134/S1028335826600471

Soumya Sen, Angshuman Khan

{"title":"Mixed-Mode Circuit Analysis of Negative Capacitance Heterostructure Nanotube TFETs for Analog On-Chip Applications","authors":"Soumya Sen, Angshuman Khan","doi":"10.1134/S1028335826600471","DOIUrl":"10.1134/S1028335826600471","url":null,"abstract":"This work presents a mixed-mode circuit analysis of a negative-capacitance heterostructure nanotube tunnel field-effect transistor (NC-HNT-TFET) using Silvaco ATLAS TCAD for analog-on-chip applications. The proposed device achieves a subthreshold swing (SS) of 20.2 mV/dec, a transconductance-to-current ratio (gm/ID) superior to that of a conventional Gate-All-Around (GAA) architecture, and a significantly higher intrinsic gain than MOSFET-based amplifiers, owing to enhanced drain resistance (ro). A complementary TFET common-source (CS) amplifier demonstrates a low-frequency voltage gain of 15 dB, a 3 dB and cutoff near 310 GHz, and two-pole system behaviour consistent with the extracted transfer function. The heterostructure employs a Ge/AlGaAs heterostructure with a HfO2 gate dielectric and a ferroelectric (FE) layer modelled using the Landau–Khalatnikov (LK) equation. Stability and non-hysteretic operation are confirmed through capacitance-matching analysis. The extracted RF figures of merit, cutoff frequency (fT) of 7.2 THz and maximum oscillation frequency (fmax) of 11.3 THz, are obtained by extrapolation of Y-parameter-based current-gain and unilateral-power-gain roll-offs, and are physically justified by the high tunnelling-enhanced gm and the ultra-thin ferroelectric capacitance. These results demonstrate strong potential for ultra-high-frequency analog front-end and system-on-chip integration.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 7","pages":"234 - 242"},"PeriodicalIF":0.3,"publicationDate":"2026-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Determination of the Deviation of the Absolute Rotor Position Sensor of a Synchronous Motor from the Control Output Value of the Direct-Axis Current Regulator 同步电机转子绝对位置传感器与直轴电流调节器控制输出值偏差的确定

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-08-10 DOI: 10.1134/S1028335826600495

N. K. Tretiakov, V. P. Kuzmenko, A. P. Bobryshov, M. V. Serjantova

{"title":"Determination of the Deviation of the Absolute Rotor Position Sensor of a Synchronous Motor from the Control Output Value of the Direct-Axis Current Regulator","authors":"N. K. Tretiakov, V. P. Kuzmenko, A. P. Bobryshov, M. V. Serjantova","doi":"10.1134/S1028335826600495","DOIUrl":"10.1134/S1028335826600495","url":null,"abstract":"An algorithm for automatic alignment of the absolute rotor position sensor of a brushless permanent-magnet synchronous motor with distributed windings is proposed and developed, which makes it possible to calculate and consider the initial positioning error angle from the values of the control action of the regulator of the direct-axis component Id of the stator current. A deviation of the control output of the Id regulator in a vector field-oriented control system from the known nominal value and/or a change in the rotor rotation direction makes it possible to judge the initial error in the installation angle of the absolute rotor position sensor. It is proposed to calculate the deviation of the regulator control output in order to determine and add an offset to the rotor position angle when transforming the components of the rotating reference frame into the two-phase stationary reference frame (inverse Park transformation). A model of the converter with the electric motor has been developed. The results of mathematical simulation and full-scale experiments are presented. The relationship describing the effect of the deviation of the absolute rotor position sensor on the direct-axis current component in a control system with a speed loop is derived. The results of the effect of the encoder angle error on the control output of the direct-axis current regulator are presented.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 7","pages":"213 - 220"},"PeriodicalIF":0.3,"publicationDate":"2026-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148695619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Geomagnetic Variations in Earth’s Atmosphere Driven by Interplanetary Coronal Mass Ejections 由行星际日冕物质抛射驱动的地球大气地磁变化

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335825600853

Mahender Pal, Sham Singh

{"title":"Geomagnetic Variations in Earth’s Atmosphere Driven by Interplanetary Coronal Mass Ejections","authors":"Mahender Pal, Sham Singh","doi":"10.1134/S1028335825600853","DOIUrl":"10.1134/S1028335825600853","url":null,"abstract":"In this paper, we have identified and studied five major geomagnetic storms whose disturbance storm time Dst < –100 nT was calculated and examined during Solar Cycle 24 and the ascending phase of Solar Cycle 25. There have been five geomagnetic storms found on March 17, 2015; December 20, 2015; September 8, 2017; August 26, 2018; and November 4, 2021, with Dst magnitudes of –234, –155, –124, –174, and –105, correspondingly. Correlation analysis of hourly plasma parameters and Kp indices (April 22–26, 2023) shows a strong relationship (Cr = 0.76) between the IMF B component and the Kp index. The solar and interplanetary parameters as well as their connection with the parameters of geomagnetic storms, have been studied in this paper. In this study, we found that coronal mass ejection is the principal cause of severe storms. It has been determined that there is a positive correlation between sunspot numbers and solar flux (F10.7), with a correlation coefficient of 0.95. The investigation aims to evaluate how the results might be applied practically to enhance forecast accuracy and mitigation strategies for safeguarding critical infrastructure, such as satellite operations, power grids, and communication networks, during geomagnetic storms.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 4","pages":"107 - 118"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148459067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Supervised AdamW Optimizer Based Guided Physics Informed Neural Network for Sigmoid Controlled Variable Fractional System: Hyperchaos in Electrical Circuits 基于监督AdamW优化器的引导物理信息神经网络的Sigmoid控制变量分数系统：电路中的超混沌

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826600069

Muhammad Asif, Assad Ayub, Muhammad Israr

{"title":"Supervised AdamW Optimizer Based Guided Physics Informed Neural Network for Sigmoid Controlled Variable Fractional System: Hyperchaos in Electrical Circuits","authors":"Muhammad Asif, Assad Ayub, Muhammad Israr","doi":"10.1134/S1028335826600069","DOIUrl":"10.1134/S1028335826600069","url":null,"abstract":"In this article a robust Guided Physics-Informed Neural Network (GPINNs) method is used for learning and predicting the nonlinear dynamic of variable-order fractional hyperchaotic mathematical model. Fractional orders are based on polynomial, trigonometric and hyperbolic function into the sigmoid function. This variable-order fractional hyperchaotic system has been solved with GPINNs scheme that integrates data-driven learning with physics-based constraints. Four distinct fractional-order scenarios are considered to capture a broad range of memory and hereditary effects, that are inherent in practical electronic circuits. These cases made comprehensive assessment of the ability of the model. Furthermore, the effectiveness of this approach is shown through detailed analyses of time-series evolution, phase-space projections, and training diagnostics for multiple control parameters. This framework also highlights the strong potential of GPINNs for modeling complex integer- and variable fractional-order hyperchaotic systems, with promising applications in electronic circuit design, secure communication, and advanced signal processing.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 6","pages":"194 - 212"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Irreversible Einstein Gravity from Two-Sheet Null-Boundary Ledger Dynamics with Two Discriminator Tests 两页零边界分类帐动力学的不可逆爱因斯坦引力与两个判别器检验

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826600252

Daegene Song

{"title":"Irreversible Einstein Gravity from Two-Sheet Null-Boundary Ledger Dynamics with Two Discriminator Tests","authors":"Daegene Song","doi":"10.1134/S1028335826600252","DOIUrl":"10.1134/S1028335826600252","url":null,"abstract":"We present an irreversible completion of Einstein gravity as a controlled small-diamond approximation of a null-boundary ledger framework. The primitive input is protocol-level bookkeeping on a null screen patch: a context ((mathcal{A},omega )) fixing modular comparisons, a geometric capacity (mathcal{X}: = A{text{/}}(4{{G}_{{{text{ren}}}}})) in entropy units, and a nonnegative record ledger ({{N}_{{c}}}) counting logically irreversible register updates. A two-sheet carrier separates, within each update, the reference structure used to define increments from the record-bearing structure stabilized across updates, avoiding self-referential metric-increment ambiguities. Coarse-grained balance, together with the standard small-diamond modular-universality and covariant phase-space inputs, yields a local non-equilibrium screen law whose reversible sector recovers the Einstein equation. We clarify how ledger–CTP differs structurally from standard Schwinger–Keldysh, modified gravity, and stochastic gravity. We then propose two discriminator-style tests that directly target the ledger–CTP identification of record production with an irreducible imaginary influence phase: a gravitational Loschmidt-echo bound in atom interferometry and, within a stated linear/Gaussian completion class, a dissipation–noise consistency constraint linking any inferred non-GR propagation kernel to a correlated stochastic component in gravitational-wave data.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 5","pages":"129 - 137"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Impact of Indium Concentration and Polarization-Graded Back Barriers in InAlN/GaN/AlGaN HEMTs 铟浓度和极化梯度后势垒对InAlN/GaN/AlGaN hemt的影响

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S102833582660015X

P. Gowtham, T. Subhashini, Rohith Bala Jaswanth B, R. S. Venkatesan

{"title":"Impact of Indium Concentration and Polarization-Graded Back Barriers in InAlN/GaN/AlGaN HEMTs","authors":"P. Gowtham, T. Subhashini, Rohith Bala Jaswanth B, R. S. Venkatesan","doi":"10.1134/S102833582660015X","DOIUrl":"10.1134/S102833582660015X","url":null,"abstract":"The impact of polarization-graded AlGaN back-barrier engineering on the DC and RF performance of InAlN/GaN HEMTs is systematically investigated. The study also investigates the influence of varying indium mole fraction (x) in the InxAl1 – xN barrier layer (x = 0.75–0.83). Compared to a uniform back-barrier structure, the graded back-barrier device demonstrates enhanced DC characteristics, delivering a higher drain current density of 0.73 A/mm vs. 0.66 A/mm at VGS = –3 V and VDS = 2 V. The graded structure also exhibits an improved peak transconductance of 0.61 S/mm, representing an 10% enhancement over the 0.56 S/mm achieved by the uniform back-barrier HEMT. Owing to reduced parasitic capacitances, the gate–source capacitance decreases from ≈1.80 × 10–12 to ≈1.75 × 10–12 F/mm, while the gate–drain capacitance is lowered from ≈5.35 × 10–13 to ≈5.0 × 10–13 F/mm. These improvements directly translate into superior RF performance, with the graded back-barrier device achieving a peak cutoff frequency of 54 GHz, compared to 50 GHz for the uniform back-barrier device. Furthermore, breakdown voltage is enhanced from ≈880 to ≈960 V, indicating improved electric-field management and carrier confinement.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 5","pages":"156 - 166"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

A Sustainable Jojoba-Oil Route for Nickel Oxide Nanograins: Preparation, Structure, and Dielectric Behavior 氧化镍纳米颗粒的可持续荷荷巴油路线：制备、结构和介电行为

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826600215

Ali H. Bashal

{"title":"A Sustainable Jojoba-Oil Route for Nickel Oxide Nanograins: Preparation, Structure, and Dielectric Behavior","authors":"Ali H. Bashal","doi":"10.1134/S1028335826600215","DOIUrl":"10.1134/S1028335826600215","url":null,"abstract":"Nickel oxide (NiO) nanograins were successfully synthesized through a green, eco-friendly route using jojoba oil as a natural precursor. This sustainable approach enables the formation of nanocrystalline NiO without relying on harsh chemicals or toxic solvents. XRD analysis confirmed the development of phase-pure NiO with characteristic reflections indexed to the (111), (200), (220), (311), and (222) planes of the C12/m1 space group, while a minor Ni(OH)2 phase was also detected. The average crystallite size, calculated from the Scherrer equation, was approximately 50 nm. SEM images revealed well-defined grains and clear grain boundaries, highlighting the polycrystalline nature of the product, whereas EDX spectra verified the presence of Ni and O along with trace elements such as Na, Cl, and C originating from the natural synthesis medium. Although electrical and dielectric measurements were conducted to probe charge-transport behavior, the primary significance of this work lies in demonstrating jojoba oil as an effective, sustainable, and low-impact precursor for producing high-quality NiO nanograins. This green synthesis pathway offers a promising alternative for the environmentally responsible fabrication of functional metal oxide nanomaterials.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 5","pages":"138 - 144"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Geometry-Induced Topological Superconductivity and Majorana Zero Modes in Carbon Nanotubes 碳纳米管中几何诱导的拓扑超导性和Majorana零模式

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826600136

Ismael Elias Erazo Velasco, Gabriela Carolina Miranda Villagomez, Mario Lizandro Franco Andrades

{"title":"Geometry-Induced Topological Superconductivity and Majorana Zero Modes in Carbon Nanotubes","authors":"Ismael Elias Erazo Velasco, Gabriela Carolina Miranda Villagomez, Mario Lizandro Franco Andrades","doi":"10.1134/S1028335826600136","DOIUrl":"10.1134/S1028335826600136","url":null,"abstract":"The mechanisms responsible for generation of Majorana zero modes in carbon nanotubes proximately represented by an s-wave superconductor and placed in a uniform axial magnetic field are theoretically and numerically analyzed. An effective 1D low-energy model is built on the basis of the Dirac description of electronic states of graphene taking into account the rolled-up structure geometry. It is shown that the quantization of transverse motion, the orbital contribution of a magnetic field (the Aharonov–Bohm effect), and the curvature-induced spin–orbit coupling jointly form a topologically nontrivial superconducting state. In the appropriate parametric mode, the effective Hamiltonian is reduced to a known 1D model with all its parameters expressed directly through the geometric characteristics of a nanotube and the value of an external magnetic field, without introducing phenomenological assumptions. The Majorana modes emerging at the nanotube edges are nonlocal quantum states protected by the superconducting gap, which makes them promising for implementing topological qubits. The analytical results are confirmed by the numerical simulation within the Bogoliubov–de Gennes Hamiltonian, which demonstrates the energy gap closing and reopening and the emergence of localized edge states.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 5","pages":"145 - 155"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

On the Possibilities of Using Bidirectional Long Short-Term Memory for Predicting Heavy-Metal Transport with Bottom Sediments of the Terek River 利用双向长短期记忆预测特雷克河底泥重金属运移的可能性

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826700035

M. V. Ivanov, I. O. Sinev, M. V. Kondratyeva, O. A. Ivanova, A. S. Kozodaev, M. S. Vinogradov

{"title":"On the Possibilities of Using Bidirectional Long Short-Term Memory for Predicting Heavy-Metal Transport with Bottom Sediments of the Terek River","authors":"M. V. Ivanov, I. O. Sinev, M. V. Kondratyeva, O. A. Ivanova, A. S. Kozodaev, M. S. Vinogradov","doi":"10.1134/S1028335826700035","DOIUrl":"10.1134/S1028335826700035","url":null,"abstract":"The rivers of the North Caucasus, particularly the Terek, experience significant anthropogenic loads of heavy metals (Pb, Cd, Zn), which accumulate in bottom sediments and, during flood periods, pose a risk of secondary pollution of floodplain agricultural lands. This paper presents a comparative analysis of the hydrological and sedimentological characteristics of the Terek and Yangtze rivers (Hunan Province, China). It is shown that both rivers exhibit similarities in three key parameters: a pronounced summer flood regime, the dominant role of fine suspended solids in pollutant transport, and the presence of anthropogenic sources of heavy metals (mining activities, industrial discharges). Based on the established similarities, the feasibility of adapting hybrid architectures with bidirectional long short-term memory networks and preliminary signal decomposition, which have been successfully tested on the Yangtze River, to predict Pb, Cd, and Zn concentrations in the Terek River was substantiated. The results of the study provide a scientific and methodological basis for subsequent calibration and verification of the model using our own field data, which it is planned to collect in 2026.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 4","pages":"99 - 106"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148459181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0

Improved Electrostatic Performance of Hetero Oxide and Work-function Modulated Ferro Tunnel Field Effect Transistor for Low Power Applications 用于低功耗应用的改进的杂氧化物和工作功能调制铁隧道场效应晶体管的静电性能

IF 0.3 4区物理与天体物理

Doklady Physics Pub Date : 2026-07-17 DOI: 10.1134/S1028335826600318

Vedvrat, Rajeev Kumar Sachan, Sushroot

{"title":"Improved Electrostatic Performance of Hetero Oxide and Work-function Modulated Ferro Tunnel Field Effect Transistor for Low Power Applications","authors":"Vedvrat, Rajeev Kumar Sachan,  Sushroot","doi":"10.1134/S1028335826600318","DOIUrl":"10.1134/S1028335826600318","url":null,"abstract":"The present work suggests and examines a hetero-oxide, dual-metal, negative-capacitance, double-gate tunnel field-effect transistor (HDM-NC-DGTFET) to achieve improved electrostatic control, ON-state current, and analog/RF characteristics to low-power applications. The suggested architecture combines (i) dual metal gate work-function engineering (φ1 < φ2), (ii) hetero-gate dielectric arrangement, and (iii) a ferroelectric covering to produce negative capacitance voltage amplification. The low-work-function gate at the source-channel interface not only sharpens the band bending and increases band-to-band tunneling (BTBT) but also the high-work-function drain-side gate prevents ambipolar conduction by reinforcing the channel-drain barrier. Extensive 2D TCAD simulations with a non-local BTBT model show a great deal of improvement over the traditional single-metal HSM-NC-DGTFET. The proposed device is able to attain a 90% increase in ON-current, 42% decrease in threshold voltage, and a 38% decrease in subthreshold swing. Work-function modulation and optimized dielectric eliminate ambipolar leakage. Also, the device demonstrates greater analog/RF figures of merit, such as increased levels of transconductance (gm), greater transconductance generation factor (TGF), higher cut-off frequency (fT), and gain-bandwidth product (GBP). The synergistic combination of hetero-oxide engineering, dual metal work-function modulation and negative capacitance effect makes the HDM-NC-DGTFET a good candidate in next-generation low-power, high-frequency nanoelectronic applications.","PeriodicalId":533,"journal":{"name":"Doklady Physics","volume":"71 6","pages":"167 - 177"},"PeriodicalIF":0.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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}

引用次数: 0