Controlling the stoichiometry of the triangular lattice antiferromagnet Li1+xZn2-yMo3O8

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dc.contributor.authorSandvik, KEen_AU
dc.contributor.authorNawa, Ken_AU
dc.contributor.authorOkuyama, Den_AU
dc.contributor.authorReim, Jen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorMatsuda, Men_AU
dc.contributor.authorSato, TJen_AU
dc.date.accessioned2021-07-28T01:07:12Zen_AU
dc.date.available2021-07-28T01:07:12Zen_AU
dc.date.issued2017-09-12en_AU
dc.date.statistics2021-07-13en_AU
dc.description.abstractAn intriguing topic in condensed matter physics is exploring exotic ground states in frustrated quantum systems, such astriangular-or kagome-lattice antiferromagnets. In these systems competing interactions destabilize conventional magnetic order and lead to interesting nonmagnetic states, exemplified by the quantum spin liquid or resonating valence bond state.The compound LiZn2Mo3O8(LZMO) is an antiferromagnet with magnetic Mo3O13 clusters forming triangular layers well separated from each other. It is proposed to realize a condensed valence bond state [1]. For the stoichiometric composition, these clusters have an unpaired electron (spin 1/2) and hence the system may be an ideal playground for exploring exotic ground states in quantum triangular antiferromagnet. However, chemical disorder atLi/Zn cites in LZMO easily leads to off-stoichiometry that introduces unoccupied S= 1/2 sites in the triangular lattice.Partial control of the Zn composition has been achieved by earlier efforts involving electrochemical technique[2], however,full stoichiometry control has not been achieved as far as we know. Since the stoichiometry is the key to explore intrinsic physics in the quantum S= 1/2 triangular antiferromagnet, we undertook a thorough investigation on the relation between initial and final chemical composition for the LZMO system. Several LZMO compounds were prepared using solid-state reaction technique [1] with widely varied starting composition. After the reactions, the samples were washed by hydrochloric acid to remove excess ZnO. The composition of the obtained compounds was determined as Li1+xZn2-yMo3O8from ICP mass spectroscopy (ArcosEOP, Spectro), X-ray diffraction (Rigaku) and neutron powder diffraction (Echidna, ANSTO). Composition dependence on the magnetism was investigated using the magnetic property measurement system (MPMS-XL, Quantum Design). © 2017 The Physical Society of Japanen_AU
dc.identifier.citationSandvik, K., Nawa, K., Okuyama, D., Reim, J., Avdeev, M., Matsuda, M., & Sato, T. J. (2017). Controlling the stoichiometry of the triangular lattice antiferromagnet Li1+xZn2-yMo3O8. Presented at the 2017 Autumn Meeting of the Physical Society of Japan, 12 - 24 September, Iwate University, Japan. In Collection of lecture summaries of the Physical Society of Japan, 2.2, 739. doi:10.11316/jpsgaiyo.72.2.0_739en_AU
dc.identifier.conferenceenddate24 September 2017en_AU
dc.identifier.conferencename2017 Autumn Meeting of the Physical Society of Japan, 12 - 24 Septemberen_AU
dc.identifier.conferenceplaceIwate University, Japanen_AU
dc.identifier.conferencestartdate12 September 2017en_AU
dc.identifier.issn2189-079Xen_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitleCollection of lecture summaries of the Physical Society of Japanen_AU
dc.identifier.paginationJapanen_AU
dc.identifier.pagination739en_AU
dc.identifier.urihttps://doi.org/10.11316/jpsgaiyo.72.2.0_739en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11124en_AU
dc.identifier.volume72en_AU
dc.language.isoenen_AU
dc.publisherThe Physical Society of Japanen_AU
dc.subjectAntiferromagnetismen_AU
dc.subjectSpinen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectStoichiometryen_AU
dc.subjectMagnetic propertiesen_AU
dc.titleControlling the stoichiometry of the triangular lattice antiferromagnet Li1+xZn2-yMo3O8en_AU
dc.typeConference Abstracten_AU
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