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Ultra-high Photoresponsivity in Suspended Metal-Semiconductor-Metal Mesoscopic Multilayer MoS₂ Broadband Detector from UV-to-IR with Low Schottky Barrier Contacts

Description: This article describes the performance of a multifaceted investigation comprising of atomic force microscopy (AFM0, photoluminescence (PL) and Raman spectroscopy to analyze the structural and chemical characteristics to help shed insights on the origins of the superior optoelectronic device performance.
Date: February 23, 2017
Creator: Saenz, Gustavo A.; Karapetrov, Goran; Curtis, James & Kaul, Anupama
Partner: UNT College of Engineering

Electrochemical and Friction Characteristics of Metallic Glass Composites at the Microstructural Length-scales

Description: This article evaluates the phase-specific electrochemical and friction characteristics of a Zr-based mtallic glass composite, which comprised roughly of 40% by volume crystalline dendrites in an amorphous matrix.
Date: November 1, 2017
Creator: Ayyagari, Aditya; Hasannaeimi, Vahid; Singh Arora, Harpreet & Mukherjee, Sundeep
Partner: UNT College of Engineering

Effect of Length, Diameter, Chirality, Deformation, and Strain on Contact Thermal Conductance Between Single-Wall Carbon Nanotubes

Description: This article explores the role of various geometrical and structural (length, diameter, chirality) as well as external (deformation and strain) carbon nanotube (CNT) parameters to estimate total as well as area-normalized thermal conductance across cross-contact interconnects.
Date: November 21, 2017
Creator: Varshney, Vikas; Lee, Jonghoon; Brown, Joshua S.; Farmer, Barry L.; Voevodin, Andrey A. & Roy, Ajit
Partner: UNT College of Engineering

Hexagonal MoTe₂ with Amorphous BN Passivation Layer for Improved Oxidation Resistance and Endurance of 2D Field Effect Transistors

Description: This article demonstrates the effectiveness of an a-BN capping layer in preserving few-layer MoTe₂ material quality and controlling its conductivity type at elevated temperatures in an atmospheric environment.
Date: June 6, 2018
Creator: Sirota, Benjamin; Glavin, Nicholas; Krylyuk, Sergiy; Davydov, Albert V. & Voevodin, Andrey A.
Partner: UNT College of Engineering

Strengthening strategy for a ductile metastable β-titanium alloy using low-temperature aging

Description: This article demonstrates that low-temperature aging (LTA) treatments for short time periods can in fact enhance the yield strength while preserving substantial elongation-to-failure in ω containing β titanium alloys.
Date: May 10, 2017
Creator: Sun, F.; Zhang, J.Y.; Vermaut, P.; Choudhuri, Deep; Alam, Talukder; Mantri, Srinivas Aditya et al.
Partner: UNT College of Engineering

Effect of Substrate Support on Dynamic Graphene/Metal Electrical Contacts

Description: This article investigates the stability of dynamic electrical contacts at a graphene/metal interface using atomic force microscopy (AFM), under static conditions with variable normal loads and under sliding conditions with variable speeds.
Date: March 22, 2018
Creator: Lee, Jihyung; Hu, Xiaoli; Voevodin, Andrey A.; Martini, Ashlie & Berman, Diana
Partner: UNT College of Engineering

Operando tribochemical formation of onion-likecarbon leads to macroscale superlubricity

Description: This article demonstrates that tribochemical reactions occur even in dry conditions when hydrogenated diamond-like carbon (H-DLC) surface is slid against two-dimensional (2D) molybdenum disulfide along with nanodiamonds in dry nitrogen atmosphere.
Date: February 3, 2017
Creator: Berman, Diana; Narayanan, Badri; Cherukara, Mathew J.; Sankaranarayanan, Subramanian K.R.S.; Erdemir, Ali; Zinovev, Alexander et al.
Partner: UNT College of Engineering