Naslov
Magnetic resonance study of rare-earth titanates

Autori
Najev, Ana ; Hameed, Sajna ; Alfonsov, Alexey ; Joe, Joseph ; Kataev, Vladislav ; Greven, Martin ; Požek, Miroslav ; Pelc, Damjan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
March Meeting 2023 / - , 2023, 1-1

Skup
March Meeting 2023

Mjesto i datum
Las Vegas (NV), Sjedinjene Američke Države, 05.03.2023. - 10.03.2023

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
NMR ; ESR ; titanati rijetkih zemalja ; magnetizm
(NMR ; ESR ; rare-earth titanates ; magnetizm)

Sažetak
Rare-earth titanates are a model system for investigations of interplay between spin, orbital and lattice degrees of freedom. Ground state magnetic order, through subtle lattice distortions, is easily manipulated by the size of the rare-earth ion. Peculiar deviations from Curie-Weiss law and anomalous magnetic behaviors have been detected well above ordering temperatures in the parent compound YTiO3. We utilized magnetic resonance (NMR, ESR) techniques to explore these discrepancies. All measurements were conducted on single-crystalline samples of (Y, La, Ca)TiO3 in a wide range of charge (Ca) doping and isovalent (La) substitution. NMR confirmed the existence of anomalies in the paramagnetic phase of these compounds. X-band ESR measurements were able to detect a small splitting of the lower t2g orbital which scales with the sample Tc and could explain the unusual properties. We also directly measured the crystalline anisotropies of YTO3 with ferromagnetic resonance.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

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