Shamith Payagala

Publications

Comparison of Multiple Methods for Obtaining PΩ Resistances with Low Uncertainties

September 03, 2019

Author(s):

Kwang Min Yu, Dean G. Jarrett, Albert F. Rigosi, Shamith U. Payagala, Marlin E. Kraft

Capabilities for high resistance determinations are essential for calibration of currents below 1 pA, as typically requested in several applications, including...

Graphene Devices for Table-Top and High Current Quantized Hall Resistance Standards

December 10, 2018

Author(s):

Albert F. Rigosi, Alireza R. Panna, Shamith U. Payagala, Mattias Kruskopf, Marlin E. Kraft, George R. Jones Jr., Bi Y. Wu, Hsin Y. Lee, Yanfei Yang, Jiuning Hu, Dean G. Jarrett, David B. Newell, Randolph E. Elmquist

Towards epitaxial graphene p-n junctions as electrically programmable quantum resistance standards

October 09, 2018

Author(s):

Jiuning Hu, Albert F. Rigosi, Mattias Kruskopf, Yanfei Yang, Bi Y. Wu, Jifa Tian, Alireza R. Panna, Hsin Y. Lee, Shamith U. Payagala, George R. Jones Jr., Marlin E. Kraft, Dean G. Jarrett, Kenji Watanabe, Takashi Taniguchi, Randolph E. Elmquist, David B. Newell

10 T? and 100 T? Resistance Comparison between NIST and AIST

July 09, 2018

Author(s):

Dean G. Jarrett, Takehiko Oe, Nobu Kaneko, Shamith U. Payagala

We report the results of a comparison of 10 TΩ and 100 TΩ high resistance standards between the National Institute of Standards and Technology (...

Uncertainty of the Ohm Using Cryogenic and Non-Cryogenic Bridges

July 09, 2018

Author(s):

Alireza R. Panna, Marlin E. Kraft, Albert F. Rigosi, George R. Jones Jr., Shamith U. Payagala, Mattias Kruskopf, Dean G. Jarrett, Randolph E. Elmquist

We describe recent scaling measurements to decade resistance levels based on both cryogenic and non-cryogenic current comparator bridges. National measurement...