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Thin-film transistors based on amorphous oxide semiconductors (AOS) are promising candidates for enabling further DRAM scaling and 3D integration, which are critical for advanced computing. Despite extensive research, the charge transport…

Optimized DC magnetron sputtering system for the deposition of transparent conductive oxides (TCOs), such indium tin oxide (ITO) on glass substrate has been applied in order to achieve low-emitting (low-e) transparent coatings. To obtain…

Materials Science · Physics 2014-09-19 Hadi Askari , Hamidreza Fallah , Mehdi Askari , Mehdi Charkhchi Mohmmadieyh

An atomic and electronic structure of the bulk and thin-film morphologies of ZnO were modified using pulsed Bi-ion implantation (1x1017 cm-2 fluence, 70 min exposure under Bi-ion beam, EBi+ = 30 keV, pulsed ion-current density of not more…

Materials Science · Physics 2016-08-24 D. A. Zatsepin , D. W. Boukhvalov , N. V. Gavrilov , E. Z. Kurmaev , I. S. Zhidkov

By inserting a SrZrO$_3$ buffer layer between the film and the substrate, we demonstrate a significant reduction of the threading dislocation density with an associated improvement of the electron mobility in La:BaSnO$_3$ films. A room…

Thermo-optic (TO) phase shifters are very fundamental units in large-scale active silicon photonic integrated circuits (PICs). However, due to the limitation of microheater materials with a trade-off between heating efficiency and…

A printing process for high-resolution transfer of all components for organic electronic devices on plastic substrates has been developed and demonstrated for pentacene (Pn), poly (3-hexylthiophene) and carbon nanotube (CNT) thin-film…

Materials Science · Physics 2009-11-11 D. R. Hines , S. Mezhenny , M. Breban , E. D. Williams , V. W. Ballarotto , G. Esen , A. Southard , M. S. Fuhrer

The metallic interface between two oxide insulators, such as LaAlO3/SrTiO3 (LAO/STO), provides new opportunities for electronics and spintronics. However, due to the presence of multiple orbital populations, tailoring the interfacial…

In this paper, we demonstrate low-thermal-budget ferroelectric field-effect transistors (FeFETs) based on two-dimensional ferroelectric CuInP2S6 (CIPS) and oxide semiconductor InZnO (IZO). The CIPS/IZO FeFETs exhibit non-volatile memory…

Mesoscale and Nanoscale Physics · Physics 2023-07-21 Hojoon Ryu , Junzhe Kang , Minseong Park , Byungjoon Bae , Zijing Zhao , Shaloo Rakheja , Kyusang Lee , Wenjuan Zhu

Recent developments in nanomagnetism and spintronics have enabled the use of ultrafast spin physics for terahertz (THz) emission. Spintronic THz emitters, consisting of ferromagnetic FM / non-magnetic (NM) thin film heterostructures, have…

This study investigates the impact of out-of-plane compressive mechanical stress (MS) on the performance and reliability of n-channel IGZO thin film transistors (TFTs). It is demonstrated that MS induces a positive Vth shift in the device…

In this work, we propose the Bilayer Graphene Tunnel Field Effect Transistor (BG-TFET) as a device suitable for fabrication and circuit integration with present-day technology. It provides high Ion/Ioff ratio at ultra-low supply voltage,…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. Fiori , G. Iannaccone

Electro-optic modulators provide a key function in optical transceivers and increasingly in photonic programmable Application Specific Integrated Circuits (ASICs) for machine learning and signal processing. However, both foundry ready…

Bilayer (2L) transition metal dichalcogenides (TMD) have the ability to host interlayer excitons, where electron and hole parts are spatially separated that leads to much longer lifetime as compared to direct excitons. This property can be…

Materials Science · Physics 2024-09-13 Umakanta Patra , Faiha Mujeeb , Abhiram K , Jai Israni , Subhabrata Dhar

Transient reflectivity (TR) measured at laser photon energy 1.51 eV from the indirectly intersurface coupled topological insulator Bi2-xMnxSe3 films (12 nm thick) revealed a strong dependence of the rise-time and initial decay-time…

Mesoscale and Nanoscale Physics · Physics 2016-04-20 Yuri D. Glinka , Sercan Babakiray , Mikel B. Holcomb , David Lederman

BiFeO3 thin films are deposited on FTO coated glass substrates using a simple sol-gel deposition technique, limiting thickness about 70 nm and Ag/BiFeO3/FTO RRAM devices are prepared. The devices showed low-voltage bipolar switching with…

Materials Science · Physics 2018-06-13 Chandni Kumari , Ishan Varun , Shree Prakash Tiwari , Ambesh Dixit

Ferroelectric materials exhibit interesting electric, mechanical and optical properties. Particularly,tin-film lead zirconium titanate (PZT) has been used as a standard piezo-electric material in micro-electro-mechanical systems.…

Materials Science · Physics 2023-05-23 Suraj , Shankar Kumar Selvaraja

Tin doped indium oxide (ITO) thin films are being used extensively as transparent conductors in several applications. In the present communication, we report the electrical transport in DC magnetron sputtered ITO thin films in low…

Materials Science · Physics 2016-10-28 Deepak Kumar Kaushik , K Uday Kumar , A. Subrahmanyam

We have demonstrated that depletion/enhancement-mode b-Ga2O3 on insulator field-effect transistors can achieve a record high drain current density of 1.5/1.0 A/mm by utilizing a highly doped b-Ga2O3 nano-membrane as the channel. b-Ga2O3 on…

Mesoscale and Nanoscale Physics · Physics 2017-11-13 Hong Zhou , Kerry Maize , Gang Qiu , Ali Shakouri , Peide D. Ye

We have investigated the electrical transport properties of 8 nm thick La0.67Ca0.33MnO3 films, sputter-deposited on SrTiO3 (STO), and etched into 5 micrometer-wide bridges by Ar-ion etching. We find that even slight overetching of the film…

Materials Science · Physics 2009-11-13 C. Beekman , I. Komissarov , M. Hesselberth , J. Aarts

A variety of emergent phenomena has been enabled by interface engineering in the complex oxides heterostructures. While extensive attention has been attracted to LaMnO3 (LMO) thin films for observing the control of functionalities at its…