Search academic texts

Information × Registration Number 0217U003973, 0117U000930 , R & D reports Title Spin transitions and colossal magnetoresistance in cobaltites. popup.stage_title Head Sirenko Valentyna Anatoliivna, Registration Date 02-11-2017 Organization B.Verkin Institute for Low Temperature Physics and Engineering NAS of Ukraine popup.description2 It is shown that a decrease of the oxygen concentration in anion-residual perovskites LaMnO3+x leads to a gradual transition from metallic to semiconductor conductivity, and from ferromagnetism to antiferromagnetism. It is found that the magnetoresistance is maximum at a low temperature near the concentration limit of the phase transformation. This is explained by the magnetic field initiated transition to the ferromagnetic phase, which takes place with a change in the spin state of the oxygen content. Product Description popup.authors Журавльова Ірина Павлівна Легенька Анастасія Олександрівна Панфілов Анатолій Сергійович Пащенко Володимир Олександрович Сіренко Валентина Анатоліївна popup.nrat_date 2020-04-02 Close