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13 February 2026

  • curprev 20:5420:54, 13 February 2026 Vigen talk contribs 463 bytes +463 Created page with "The '''residual resistivity ratio''' is defined as the ratio of the electrical resistivity of a material at room temperature and at a chosen cryogenic temperature. For superconducting materials, a cryogenic temperature above Tc must be chosen. RRR serves as a measure of the purity and overall quality of a sample: as electrical resistivity usually increases as defect prevalence increases, a large RRR is associated with a pure sample. Category:Abbreviations" Tag: Visual edit
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