A5014118944- Semiconductor materials and devices
- Magnetic properties of thin films
- Advancements in Semiconductor Devices and Circuit Design
- Anodic Oxide Films and Nanostructures
- Advancements in Battery Materials
- Electrocatalysts for Energy Conversion
- ZnO doping and properties
- Silicon Carbide Semiconductor Technologies
- Multiferroics and related materials
- Nanoparticles: synthesis and applications
- Magneto-Optical Properties and Applications
- Magnetic Properties and Synthesis of Ferrites
- Advanced Battery Materials and Technologies
- Integrated Circuits and Semiconductor Failure Analysis
- Low-power high-performance VLSI design
- Photonic Crystals and Applications
- Semiconductor materials and interfaces
- Multilevel Inverters and Converters
- Advanced battery technologies research
- Microwave Engineering and Waveguides
- Electromagnetic wave absorption materials
- CO2 Reduction Techniques and Catalysts
- Advanced DC-DC Converters
- Heusler alloys: electronic and magnetic properties
- Advanced Photocatalysis Techniques
Tezpur University
2025
University of Delhi
2016-2024
Chandigarh University
2008-2024
St. Francis College
2024
Delft University of Technology
2024
Jawaharlal Nehru University
2018-2024
ABES Engineering College
2024
Ulsan National Institute of Science and Technology
2020-2022
Abbott (India)
2021
Guru Gobind Singh Indraprastha University
2020
A 10nm logic technology using 3rd-generation FinFET transistors with Self-Aligned Quad Patterning (SAQP) for critical patterning layers, and cobalt local interconnects at three interconnect layers is described. For high density, a novel self-aligned contact over active gate process elimination of the dummy cell boundaries are introduced. The feature rectangular fins 7nm fin width 46nm height, 5 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
A novel design concept of a three-dimensional graphene shell encapsulated cobalt nanostructure as new route to tune the work function for enhanced ORR.
The electrochemical N2 reduction reaction has attracted interest as a potential alternative to the Haber–Bosch process, but significantly low conversion efficiency and ammonia production rate stimulate need for alternatives. Here, we represent of nitric oxide (NO) on nanostructured Ag electrode in combination with rationally designed electrolyte containing EDTA–Fe2+ metal complex (EFeMC), which results an ∼100% NH3 current density 50 mA/cm2 at −0.165 VRHE, without any degradation catalytic...
Performance degradation generated by reverse current flow during fuel cell shut-down/start-up is a big challenge for commercialization of polymer electrolyte membrane cells in automobile applications. Under transient operating conditions, the formation H2/O2 boundaries on Pt surfaces and occurrence undesired oxygen reduction reaction (ORR) an anode cause severe carbon supports catalysts cathode because increase potential up to ∼1.5 V. Herein, directly prevent anode, we propose unique...
Abstract Electrochemical carbon dioxide reduction reaction (CO 2 RR) is a promising approach to mitigate CO concentration and generate feedstock. Recently, the (sub‐)nanometer design of catalyst structures has been revealed as an efficient means control process through local environment. Herein, synthesis novel tin oxide (SnO x ) nanoparticle (NP) with highly controlled sub‐nanoscale interplanar gaps widths <1 nm NP‐s) reported via lithium electrochemical tuning (LiET) method....
Abstract Ammonium‐ion supercapacitor (AISC), being technology innovation for next generation energy storage devices has been limited in practical application. Conventional in‐plane structure leads to short circuit and less participated electro‐active sites the redox process. However, out‐of‐plane heterostructure array provides rapid charge transport across vertically arranged nanoflakes, forms heat pockets due contact area between ensembles nanoflake, making them suitable advanced...
We describe interconnect features for Intel's 22nm high-performance logic technology, with metal-insulator-metal capacitors and nine layers of interconnects. Metal-1 through Metal-6 feature a new ultra-low-k carbon doped oxide (CDO) low-k etch stop. Metal-7 Metal-8 use CDO. New materials process optimization provide 13-18% capacitance improvement. Single-exposure patterning 80nm pitch makes the cost-effective.
A series of monolithic tunable microwave band-stop filters and phase shifters have been designed, fabricated, characterized on arrays ferromagnetic nanowires (FMNWs) constituted Ni, Co, CoFeB, NiFe alloy embedded in anodic alumina templates (AAO). The aim the present investigation is to significantly boost operating frequency devices very low applied magnetic field. stop-band response can cover from 8 40 GHz with an field up 5 kOe using these materials. In addition, we observed a substantial...
This paper describes Intel's 10nm highperformance logic technology interconnect stack featuring 13 metal layers comprising two self-aligned quad patterned and four double layers. Quad are introduced to continue Moore's Law, i.e. sub-40nm pitches enable node cells that include 34nm fin pitch Contact-over-active-gate (COAG) layout. Cobalt metallization is in the quartered order meet electromigration gapfill-resistance requirements.
Nano-graphene shells coated on metal nanoparticles are transformed into highly active oxygen reduction catalysts through charge redistribution at the graphene–metal interface.
Co@C core–shell nanospheres highly dispersed on carbon supports were rationally designed to improve the microwave absorbing property of composite material, and fabricated by one pot thermal decomposition simple annealing process. The Co completely encapsulated with thin shells, which can effectively prevent oxidation surface. Additionally, particle size properly controlled optimize electromagnetic material. As a result, lightweight Co@C/C composites 20 nm exhibited much enhanced absorption...
We report the discovery of size-dependent lattice contractions and elongations in nanoscale hematite (α-Fe2O3) structure revealed by high-resolution X-ray diffraction analysis spectroscopic measurements. The observed modification effects are classified into two different regions with crystallite size (CS) a threshold anomaly at ≈30 nm. In addition to commonly expansion ionic solids, we contraction level (<30 nm CS). consequences anomalous structural behavior CS reflected electronic...
본 연구에서는 Pt/GDC/Pt 셀을 이용하여 상압에서 물과 질소로부터 전기화학적으로 암모니아를 합성하는 연구를 수행하였다. 수분이 포화된 질소분위기에서 작동온도(<TEX>$400{\sim}600^{\circ}C$</TEX>)와 전압(OCV(Open Circuit Voltage)~1.2 V)에 대한 전기화학적 특성 평가를 수행하였고, 암모니아 합성량을 정량 분석하였다. 정전압 하에서 작동온도의 증가에 따라 인가 전류의 증가로 합성량은 증가하였으나, Pt 전극에서 합성에 필요한 질소의 화학적 해리 흡착 반응의 한계로 패러데이 효율(faradaic efficiency)은 감소하였다. <TEX>$600^{\circ}C$</TEX>에서 최대 합성량인 <TEX>$3.67{\times}10^{-11}mols^{-1}cm^{-2}$</TEX>(6.7 mA) 얻었고 효율은 0.1%이다. Electrochemical ammonia synthesis from water and nitrogen...
The Present work describes green synthesis, eco-friendly, cost-effective and energy-efficient method for synthesizing magnesium zinc ferrite nanoparticles, or AILE@Mn ferrites, utilizing Azadirachta indica leaf extract (AILE). Using X-ray diffraction (XRD) Rietveld refinement, the AILE-mediated Mn ferrite’s crystal structure was determined to be a face-centered cubic with space group Fd3-m. structural analysis performed by using Field Emission Scanning Electron Microscope (FESEM), revealed...
In telecommunications technology, transmitting and receiving signals is not possible without an integrated antenna. Recently, novel approaches of using advancement in quantum technology as “information coherent transfer” have been emphasized which overcomes the limitations superconducting qubits. present investigation, a compact-sized circular-ring antenna was designed for 12 GHz centre frequency. The topped with Gd(x)-doped YIG (x = 0.0, 0.1, 0.2, 0.3) thin disks to investigate its tunable...
The dynamic properties of arrays 1-D nickel nanowires (NWs) with high aspect ratio have been studied by ferromagnetic resonance technique using a flip-chip method in the frequency domain. fundamental magnetic parameters such as spontaneous magnetization, gyromagnetic (y), Gilbert damping (α), and anisotropies NWs various lengths were determined from - field [ f <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">res</sub> (H...
Oxide semiconductors are promising candidates for next generation electronics. In this work, magnetic bipolar transistor was fabricated by growing thin films of p-NiO and n-ZnO on n-type silicon wafer pulsed laser deposition technique with an in-situ annealing at 670° C in the presence oxygen. The structural characterization these done X-ray diffraction Raman spectroscopy properties were studied vibrating sample magnetometer (VSM). I-V characteristic tested common emitter configuration DC...
Functional magnetic oxide particles offer exceptional GHz frequency capabilities, which can significantly enhance the utility of communication and signal processing devices.