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Quantum tricritical point in the temperature-pressure-magnetic field phase diagram of CeTiGe3

TitleQuantum tricritical point in the temperature-pressure-magnetic field phase diagram of CeTiGe3
Publication TypeJournal Article
Year of Publication2018
AuthorsKaluarachchi, US, Taufour, V, Bud'ko, SL, Canfield, PC
JournalPhysical Review B
Volume97
Pagination045139
Date Published01
Type of ArticleArticle
ISBN Number2469-9950
Accession NumberWOS:000423342300004
Keywordsbehavior, ceru2ge2, itinerant, physics, single-crystals, solution growth, superconductivity, systems, transition, transport-properties
Abstract

4.1 GPa that are probably antiferromagnetic in nature. These two transitions are suppressed under pressure, with the lower-temperature phase being fully suppressed above 5.3 GPa. The critical pressures for the presumed quantum phase transitions are p(1) congruent to 4.1 GPa and p(2) congruent to 5.3 GPa. Above 4.1 GPa, application of magnetic field shows a tricritical point evolving into a wing-structure phase with a quantum tricritical point at 2.8 T at 5.4 GPa, where the first-order antiferromagnetic-ferromagnetic transition changes into the second-order antiferromagnetic-ferromagnetic transition.

DOI10.1103/PhysRevB.97.045139
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Complex States