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Shamith Payagala

Publications

Graphene Quantum Hall Effect Parallel Resistance Arrays

Author(s)
Alireza R. Panna, I Fan Hu, Mattias Kruskopf, Dinesh K. Patel, Dean G. Jarrett, Chieh-I Liu, Shamith U. Payagala, Dipanjan Saha, David B. Newell, Chi-Te Liang, Randolph Elmquist, Albert Rigosi
As first recognized in 2010, epitaxial graphene on SiC(0001) provides a platform for quantized Hall resistance (QHR) metrology unmatched by other 2D structures

AC and DC Quantized Hall Array Resistance Standards

Author(s)
Randolph E. Elmquist, Mattias Kruskopf, Dinesh K. Patel, I Fan Hu, Chieh-I Liu, Albert F. Rigosi, Alireza R. Panna, Shamith U. Payagala, Dean G. Jarrett
Quantized Hall array resistance standards (QHARS) span values from 100 (ohm) to 1 M(ohm) and demonstrate precision approaching that of single devices. This
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Created June 4, 2019