Effect of Dy2O3 on the phase formation and electrical properties of Tl-1223 HTS - I. R. Metskhvarishvili; Melita Menelaou; T. E. Lobzhanidze; G. N. Dgebuadze; D. L. Surmanidze; B. G. Bendeliani; V. M. Gabunia; M. R. Metskhvarishvili; D. A. Jishiashvili (Low Temperature Physics, 2025)