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Role of apical oxygen in 2-1-4 electron-doped superconductors. Physica C: Superconductivity and its Applications. 2004;408-410:830-1.
Infrared transmission study of crystal-field excitations in Al- and Sr-doped Pr1+xBa2-xCu3O6. Physical Review B. 2004;69:245281-8.
Infrared transmission study of crystal-field excitations in La2-x-yNdxSryCuO4. Physical Review B. 2002;66:2245081-7.
Infrared transmission study of Pr2CuO4 crystal-field excitations. European Physical Journal B. 2001;23:179-82.
Raman study of crystal-field excitations in Nd2CuO4 under pressure. Physical Review B. 2001;64:2141061-6.
Infrared transmission study of crystal-field excitations in Sm1+xBa2-xCu3O6+y. Physical Review B. 2001;63:545281-5452810.
4f-levels in rare earth cuprates: Crystal field and exchange interaction. Journal of Alloys and Compounds. 2001;323-324:549-53.
Crystal field effect on the f-levels of R1+xBa 2-xCu3O6+δ (R = Sm, Nd). Journal of Magnetism and Magnetic Materials. 2001;226-230:985-7.
Infrared study of crystal-field excitations in NdBa2Cu3O6. Physical Review B. 1999;59:6528-33.
