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Electronics

Semiconductors

Search Publications

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Displaying 51 - 75 of 748

Multiscale Green's functions for modeling graphene and other Xenes

January 27, 2023
Author(s)
Vinod Tewary, Edward Garboczi
We give a review of the multiscale Green's function method for modeling modern two-dimensional nanomaterials such as graphene and other Xenes. The method is applicable to materials at different space and time scales and is computationally efficient. This

High-Resolution DNA Binding Kinetics Measurements with Double Gate FD-SOI Transistors

January 23, 2023
Author(s)
Seulki Cho, Alexander Zaslavsky, Curt A. Richter, Jacob Majikes, James Alexander Liddle, Francois Andrieu, Sylvain Barraud, Arvind Balijepalli
Double gate fully depleted SOI transistors operating in a remote gate configuration and under closed-loop feedback allow noise performance that exceeds their single gate counterparts by more than an order of magnitude. We leverage this high performance to

On the "intrinsic" breakdown of thick gate oxide

October 12, 2022
Author(s)
Kin (Charles) Cheung
Thick gate oxide breakdown mechanism becomes an important topic again due to the rising demand of power electronics. The failure of the percolation model in explaining the observed Weibull shape factor of thick oxide breakdown distribution seriously

Towards the Physical Reliability of 3D-Integrated Systems: Broadband Dielectric Spectroscopic (BDS) Studies of Material Evolution and Reliability in Integrated Systems

September 30, 2022
Author(s)
Papa Amoah, Joseph J. Kopanski, Yaw S. Obeng, Christopher Sunday, Chukwudi Okoro, Lin You, Dmirty Veksler
In this paper, we present an overview of our current research focus in developing non-destructive metrology for monitoring reliability issues in 3D-integrated electronic systems. We introduce a suite of non-destructive metrologies that can serve as early

Degradation of CVD-Grown MoS2 Subjected to DC Electrical Stress

September 16, 2022
Author(s)
Elisabeth Mansfield, David Goggin, Jason Killgore, Taylor Aubry
Devices containing transition metal dichalcogenides are being investigated for next generation electronics. Understanding material properties under typical use conditions is important for longevity and effectiveness of these devices. In this study, CVD

Control of the Schottky barrier height in monolayer WS2 FETs using molecular doping

August 26, 2022
Author(s)
Siyuan Zhang, Hsun-Jen Chuang, SON LE, Curt A. Richter, Kathleen McCreary, Berend Jonker, Angela R. Hight Walker, Christina Hacker
The development of processes to controllably dope two-dimensional semiconductors is critical to achieving next generation electronic and optoelectronic devices. Understanding the nature of the contacts is a critical step for realizing efficient charge

Strategic Opportunities for U.S. Semiconductor Manufacturing

August 1, 2022
Author(s)
Anita Balachandra, David Gundlach, Paul D. Hale, Kevin K. Jurrens, R Joseph Kline, Tim McBride, Ndubuisi George Orji, Sanjay (Jay) Rekhi, Sivaraj Shyam-Sunder, David G. Seiler
Semiconductors are critical to our Nation's economic growth, national security, and public health and safety. Revolutionary advances in microelectronics continue to drive innovations in communications, information technology, health care, military systems

How to Report and Benchmark Emerging Field-Effect Transistors

July 29, 2022
Author(s)
Zhihui Cheng, Chin-Sheng Pan, Peiqi Wang, Yanqing Wu, Davood Shahrjerdi, Iuliana Radu, Max Lemme, Lian-Mao Peng, Xiangfeng Duan, Zhihong Chen, Joerg Appenzeller, Steven Koester, Eric Pop, Aaron Franklin, Curt A. Richter
Emerging low-dimensional nanomaterials have been studied for decades in device applications as field-effect transistors (FETs). However, properly reporting and comparing device performance has been challenging due to the involvement and interlinking of

Determination of Domain Wall Velocity and Nucleation Time by Switching Dynamics Studies of Ferroelectric Hafnium Zirconium Oxide

July 22, 2022
Author(s)
Xiao Lyu, Pragya Shrestha, Mengwei Si, Panni Wang, Junkang Li, Kin (Charles) Cheung, Yu Shimeng, Peide Ye
In this work, we present the first experimental determination of nucleation time and domain wall (DW) velocity by studying switching dynamics of ferroelectric (FE) hafnium zirconium oxide (HZO). Experimental data and simulation results were used to

Multi-bit per-cell 1T SiGe Floating Body RAM for Cache Memory in Cryogenic Computing

July 22, 2022
Author(s)
Pragya Shrestha, Jason Campbell, Wriddhi Chakraborty, A Gupta, R Saligram, S Spetalnick, A Raychowdhury, Suman Datta
Cryogenic computing requires high-density on-die cache memory with low latency, high bandwidth and energy-efficient access to increase cache hit and maximize processor performance. Here, we experimentally demonstrate, high-speed multi-bit memory operation

Gate resistance thermometry: An electrical thermal characterization technique

July 15, 2022
Author(s)
Georges Pavlidis, Brian Foley, Samuel Graham
Gate Resistance Thermometry (GRT) is a potential reliable technique to determine the average temperature of the gate metal in GaN transistors. In contrast to other electrical techniques that average the temperature across different areas of the active

Crystallize it before it diffuses: Thin -film growth of the phosphorus-rich semiconductor CuP2

July 13, 2022
Author(s)
Feng Yi, David A. LaVan, Andrea Crovetto, Danny Kojda, Karen Heinselman, Klaus Habicht, Thomas Unold, Andriy Zakutayev
Numerous phosphorus-rich metal phosphides containing both P-P bonds and metal-P bonds are known from the solid state chemistry literature. Yet, very little is known about the thin- film synthesizability and properties of even the simplest binary compounds

Self-Driven Highly Responsive PN Junction InSe Heterostructure Near-Infrared Light Detector

June 30, 2022
Author(s)
Chandraman Patil, Chaobo Dong, Hao Wang, Hamed Dalir, Sergiy Krylyuk, Huairuo Zhang, Albert Davydov, Volker Sorger
Photodetectors converting light signals into detectable photocurrents are ubiquitously in use today. To improve the compactness and performance of next-generation devices and systems, low dimensional materials provide rich physics to engineering the light

High-performance dual-gate graphene pH sensors

June 28, 2022
Author(s)
Son Le, Seulki Cho, Alexander Zaslavsky, Curt A. Richter, Arvind Balijepalli
High precision biophysical measurements that are portable and performed without prior labeling of the molecules can greatly benefit several areas of biotechnology and biophysics, but existing techniques often lack sufficient resolution. Field-effect

Synthesis, crystal structure, and physical properties of BaSnS2

February 11, 2022
Author(s)
Wilarachchige Gunatilleke, Andrew May, Angela R. Hight Walker, Adam Biacchi, George Nolas
Phase-pure BaSnS2, with space group Pn21/c, was synthesized and the structural and physical properties were investigated. The thermal properties and optical measurements are reported for the first time. The Debye temperature and Sommerfeld coefficient were

Thickness-dependent transport properties and photoresponse in MoSe2 field-effect transistors

February 4, 2022
Author(s)
Shiqi Guo, Sergiy Krylyuk, Hsin Y. Lee, Ratan K. Debnath, Albert Davydov, Mona E. Zaghloul
Transition metal dichalcogenides have been studied extensively due to their unique properties in low-dimensional limits. In this work, we have examined the effect of MoSe2 layer thickness on its electrical properties in a field effect transistor (FET)
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