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17 papers
Recent Advances in Design of Electrocatalysts for High-Current-Density Water Splitting
Yuting Luo, Zhiyuan Zhang, Manish Chhowalla +1
Electrochemical water splitting technology for producing "green hydrogen" is important for the global mission of carbon neutrality. Electrocatalysts with decent performance at high…
Quantum Transport in Two-Dimensional WS with High-Efficiency Carrier Injection Through Indium Alloy Contacts
Chit Siong Lau, Jing Yee Chee, Yee Sin Ang +8
Two-dimensional transition metal dichalcogenides (TMDCs) have properties attractive for optoelectronic and quantum applications. A crucial element for devices is the metal-semicond…
Electronic polarizability as the fundamental variable in the dielectric properties of two-dimensional materials
Tian Tian, Declan Scullion, Dale Hughes +5
The dielectric constant, which defines the polarization of the media, is a key quantity in condensed matter. It determines several electronic and optoelectronic properties importan…
Evidence of Rotational Fröhlich Coupling in Polaronic Trions
Maxim Trushin, Soumya Sarkar, Sinu Mathew +9
Electrons commonly couple through Fröhlich interactions with longitudinal optical phonons to form polarons. However, trions possess a finite angular momentum and should therefore c…
An Inside Look at the Ti-MoS2 Contact in Ultra-thin Field Effect Transistor with Atomic Resolution
Ryan J. Wu, Sagar Udyavara, Rui Ma +5
Two-dimensional molybdenum disulfide (MoS2) is an excellent channel material for ultra-thin field effect transistors. However, high contact resistance across the metal-MoS2 interfa…
Valence band electronic structure evolution of graphene oxide upon thermal annealing for optoelectronics
Hisato Yamaguchi, Shuichi Ogawa, Daiki Watanabe +19
We report valence band electronic structure evolution of graphene oxide (GO) upon its thermal reduction. Degree of oxygen functionalization was controlled by annealing temperatures…