“Residual Resistivity Ratio” measurement results have been certified for several vendors with a 3-week turnaround time. We measure RRR from 30 to 1000 with sample sizes of the order 2 x 2 x 100 mm. RRR is defined as:
RRR Measurements
RRR=
“Residual Resistivity Ratio”
Resistivity at 300K Resistivity at 4.2K
Contact us for more information on testing of your samples.