C. Halcrow, I. Shipulin, F. Caglieris, Y. Li, Joachim Wosnitza, H.-H. Klauss, S. Zherlitsyn, V. Grinenko & E. Babaev " Ultrasound evidence for multicomponent superconducting order parameter in Ba1−xKxFe2As2 with electron quadrupling phase" // npj Quantum Mater. 10, 107 (2025); https://doi.org/10.1038/s41535-025-00819-7
Y. A. Aleshchenko, A. V. Muratov, E. S. Zhukova, L. S. Kadyrov, B. P. Gorshunov, G. A. Ummarino, I. A. Shipulin “THz optical response of Ba(Fe1−xNix)2As2 films analyzed within the three-band Eliashberg s±-wave model” // Journal of Physics and Chemistry of Solids 2025, 196 112364; https://doi.org/10.1016/j.jpcs.2024.112364
I. A. Shipulin, K. Nielsch and R. Hühne “Comprehensive study of epitaxial (Nd,Eu,Gd)Ba2Cu3O7−δ films grown on textured templates” // Physica Scripta (2024), 99 115965; https://iopscience.iop.org/article/10.1088/1402-4896/ad8380
I. Shipulin, N. Stegani, I. Maccari, K. Kihou, C.-H. Lee, R. Hühne, F. Caglieris, E. Babaev, and V. Grinenko " Calorimetric evidence for two phase transitions in Ba1-xKxFe2As2 with fermion pairing and quadrupling state" // Nature Communication 2023, 14 6734; https://doi.org/10.1038/s41467-023-42459-0
R. Khasanov, A. Ramires, V. Grinenko, I. Shipulin, N. Kikugawa, D. A. Sokolov, Y. Maeno, H. Luetkens, and Z. Guguchia " In-plane magnetic penetration depth in Sr2RuO4: muon-spin rotation/relaxation study" Physical Review Letters 2023, 131, 236001; https://doi.org/10.1103/PhysRevLett.131.236001
