8 citations · 8 across the 12 of their papers we have counts for
12 papers
From Wye-Delta to Cross-Square Recursion Configurations in Graphene-Based Quantum Hall Arrays
Ngoc Thanh Mai Tran, Marta Musso, Dominick S. Scaletta +8
In electrical metrology, the quantum Hall effect is accessed at the Landau level filling factor ν = 2 plateau to define and disseminate the unit of electrical resistance (ohm). The…
Influences of the Minkowski-Bouligand Dimension on Graphene-Based Quantum Hall Array Designs
Dominick S. Scaletta, Ngoc Thanh Mai Tran, Marta Musso +7
This work elaborates on how one may develop high-resistance quantized Hall array resistance standards (QHARS) by using star-mesh transformations for element count minimization. Ref…
Implementing Pseudofractal Designs in Graphene-Based Quantum Hall Arrays using Minkowski-Bouligand Algorithms
Dominick S. Scaletta, Ngoc Thanh Mai Tran, Marta Musso +5
This work introduces a pseudofractal analysis for optimizing high-resistance graphene-based quantized Hall array resistance standards (QHARS). The development of resistance standar…
Constructing 100 MΩ and 1 GΩ Resistance Standards via Star-Mesh Transformations
Dean G. Jarrett, Albert F. Rigosi, Dominick S. Scaletta +7
A recent mathematical framework for optimizing resistor networks to achieve values in the MΩ through GΩ levels was employed for two specific cases. Objectives here include proof of…
Fractal-like star-mesh transformations using graphene quantum Hall arrays
Dominick S. Scaletta, Swapnil M. Mhatre, Ngoc Thanh Mai Tran +10
A mathematical approach is adopted for optimizing the number of total device elements required for obtaining high effective quantized resistances in graphene-based quantum Hall arr…
A unified realization of electrical quantities from the quantum International System of Units
Linsey K. Rodenbach, Jason M. Underwood, Ngoc Thanh Mai Tran +12
In the revised International System of Units (SI), the ohm and the volt are realized from the von Klitzing constant and the Josephson constant, and a practical realization of the a…
Star-Mesh Quantized Hall Array Resistance Devices
Dean G. Jarrett, Ching-Chen Yeh, Shamith U. Payagala +10
Advances in the development of graphene-based technology have enabled improvements in DC resistance metrology. Devices made from epitaxially grown graphene have replaced the GaAs-b…
Optical Signatures of Strain Differences in Epitaxial Graphene Nanoribbons
Heather M. Hill, Ching-Chen Yeh, Swapnil M. Mhatre +6
We demonstrate the preparation of both armchair and zigzag epitaxial graphene nanoribbons (GNRs) on 4H-SiC using a polymer-assisted, sublimation growth method. Historically, the pr…
Fabrication of uniformly doped graphene quantum Hall arrays with multiple quantized resistance outputs
Swapnil M. Mhatre, Ngoc Thanh Mai Tran, Heather M. Hill +7
In this work, limiting factors for developing metrologically useful arrays from epitaxial graphene on SiC are lifted with a combination of centimeter-scale, high-quality material g…
Spectroscopic assessment of short-term nitric acid doping of epitaxial graphene
Ngoc Thanh Mai Tran, Swapnil M. Mhatre, Cristiane N. Santos +10
This work reports information on the transience of hole doping in epitaxial graphene devices when nitric acid is used as an adsorbent. Under vacuum conditions, desorption processes…
Timescales for Nitric Acid Desorption in Epitaxial Graphene Devices
Swapnil M. Mhatre, Ngoc Thanh Mai Tran, Heather M. Hill +6
This work reports the dynamics of transient hole doping in epitaxial graphene devices by using nitric acid as an adsorbent. The timescales associated with corresponding desorption…
Experiences with a two terminal-pair digital impedance bridge
Luca Callegaro, Vincenzo D'Elia, Marian Kampik +3
This paper describes the realization of a two terminal-pair digital impedance bridge and the test measurements performed with it. The bridge, with a very simple architecture, is ba…