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Št. zadetkov: 6
RF-sputtered BaTiO[sub]3 dielectrics for high-mobility, low-voltage organic field-effect transistors
Subharthi Saha, Shiv Prakash Verma, Samik Mallik, Sovanlal Mondal, Subhadip Mondal, Dipak Kumar Goswami
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Oznake: RF-sputtered BaTiO3;dielectrics;high-mobility;low-voltage organic field-effect transistors;
The realization of stable, low-voltage operated, and high-sensitive Organic Field-Effect Transistors (OFETs) is critical for advancing next-generation organic electronics. In this work, OFETs were fabricated using radio-frequency (RF) sputtered Barium Titanate (BaTiO3) thin films as the gate dielect ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Effect of measurement temperature on the charge transport behavior in temperature sensitive ferroelectric dielectric-based organic field-effect transistors
Samik Mallik, Shiv Prakash Verma, Subharthi Saha, Richeek Nayak, Prasanta Kumar Guha, Dipak Kumar Goswami
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Oznake: organic field-effect transistors;ferroelectric dielectric;h-BTNCs;hopping assisted transport;phase transition;
This paper emphasized the charge transport mechanism of a low-powered OFET fabricated using barium titanate (BaTi03) nanocrystal as the dielectric material. These OFET -based devices are highly stable in the air and exhibited significantly much higher carrier mobility. In general, the high temperatu ...
Leto: 2022 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Transition of activation energy induced by the polarization of Au nanoparticles in organic field-effect transistors at low temperatures
Samik Mallik, Ajoy Mandal, Suman Mandal, Shiv Prakash Verma, Abhirup Das, Prasanta Kumar Guha, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: organic field-effect transistors (OFETs);nano composite dielectric;hysteresis reversal;ǂa ǂtransition in activation energy;polarization of AuNps;hopping-assisted charge transport;
The molecular packing of the organic semiconductors significantly influences charge transport in organic field-effect transistors (OFETs). In addition, a pronounced impact of the dielectric layer is observed on the charge conduction within the few monolayers above the semiconductor–dielectric interf ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Unraveling packing-dependent surface potential contrast in a single-walled carbon nanotube bundle network
Sovanlal Mondal, Suman Mandal, Ajoy Mandal, Samik Mallik, Shiv Prakash Verma, Riya Sadhukhan, Subhamay Pramanik, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: single-walled carbon nanotube;
The surface potential of single-walled carbon nanotube (SWCNT) bundles is influenced by various factors, notably their arrangement during packing. Understanding this packing-dependent surface potential entails examining the interactions between individual nanotubes within a bundle and their collecti ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Dielectric transition-instigated extraordinary capacitance change with successive switching in loss tangent at the spin transition temperatures of a spin-crossover nanomaterial
Shiv Prakash Verma, Mousumi Dutta, Prabir Ghosh, Samik Mallik, Riya Sadhukhan, Sovanlal Mondal, Soumen Das, Pradip Chakraborty, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: spin crossover (SCO) nanomaterials;dielectric transitions;switching of loss tangent;SCO-based capacitive devices;polarization of counterions;
The magnetic transition in spin-crossover (SCO) materials with temperature is a dynamic and reversible process, in which the transition metal ions change from a low spin (LS) state to a high spin (HS) state. This work reports extraordinary dielectric transitions at 342 and 382 K reflected in a capac ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
MOF-assimilated high-sensitive organic field-effect transistors for rapid detection of a chemical warfare agent
Samik Mallik, Shyam Chand Pal, Snehanjan Acharyya, Shiv Prakash Verma, Ajoy Mandal, Prasanta Kumar Guha, Madhab C. Das, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: organic field-effect transistors;OFETs;metal-organic frameworks;MOFs;chemical warfare agents;CWAs;recrystallization;sulfur mustard stimulants detection;Lewis acid-base interaction;
The successful fabrication of a bilayer OFET with a MOF and its establishment as a sensor have been done to enhance the detection limit of the stimulant of CWAs. In bilayer composition, CPO-27-Ni MOF acts as a sensing layer, which diffused through the grain boundaries of pentacene and creates non-st ...
Leto: 2023 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 6
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