dc.date.accessioned | 2024-06-27T15:04:30Z | |
dc.date.available | 2024-06-27T15:04:30Z | |
dc.date.created | 2024-06-10T08:51:17Z | |
dc.date.issued | 2024 | |
dc.identifier.citation | Fjellvåg, Øystein Slagtern Gonano, Bruno Bernal, Fabian Leonardo Martinez Amedi, Salah Bra Lyu, Jike Pomjakushin, Vladimir Medarde, Marisa Chernyshov, Dmitry Marshall, Kenneth Valldor, Björn Martin Fjellvåg, Helmer Hauback, Bjørn Christian . Order-to-Disorder Transition and Hydrogen Bonding in the Jahn-Teller Active NH4CrF3 Fluoroperovskite. Inorganic Chemistry. 2024, 63(23), 10594-10602 | |
dc.identifier.uri | http://hdl.handle.net/10852/111303 | |
dc.description.abstract | Large quantities of high-purity NH4CrF3 have been synthesized using a wet-chemical method, and its structural chemistry and magnetic properties are investigated in detail for the first time. NH4CrF3 is a tetragonal fluoroperovskite that displays an ordering of the ammonium (NH4+) groups at room temperature and C-type orbital ordering. The ammonium groups order and display distinct signs of hydrogen bonds to nearby fluoride anions by buckling the Cr–F–Cr angle away from 180°. The ammonium ordering remains up to 405 K, much higher than in other ammonium fluoroperovskites, indicating a correlation between the flexibility of the Jahn–Teller ion, the hydrogen bond formation, and the ammonium ordering. At 405 K, an order-to-disorder transition occurs, where the ammonium groups disorder, corresponding to a transition to higher symmetry. This is accompanied by a contraction of the unit cell from breaking hydrogen bonds, similar to the phenomenon observed in water ice melting. The compound orders antiferromagnetically with a Neél temperature of 60 K, an effective paramagnetic moment of 4.3 μB, and a Weiss temperature of −33 K. An A-type antiferromagnetic structure is identified by neutron diffraction, with an ordered moment of 3.72(2) μB. | |
dc.language | EN | |
dc.publisher | ACS Publications | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.title | Order-to-Disorder Transition and Hydrogen Bonding in the Jahn-Teller Active NH4CrF3 Fluoroperovskite | |
dc.title.alternative | ENEngelskEnglishOrder-to-Disorder Transition and Hydrogen Bonding in the Jahn-Teller Active NH4CrF3 Fluoroperovskite | |
dc.type | Journal article | |
dc.creator.author | Fjellvåg, Øystein Slagtern | |
dc.creator.author | Gonano, Bruno | |
dc.creator.author | Bernal, Fabian Leonardo Martinez | |
dc.creator.author | Amedi, Salah Bra | |
dc.creator.author | Lyu, Jike | |
dc.creator.author | Pomjakushin, Vladimir | |
dc.creator.author | Medarde, Marisa | |
dc.creator.author | Chernyshov, Dmitry | |
dc.creator.author | Marshall, Kenneth | |
dc.creator.author | Valldor, Björn Martin | |
dc.creator.author | Fjellvåg, Helmer | |
dc.creator.author | Hauback, Bjørn Christian | |
cristin.unitcode | 185,15,17,10 | |
cristin.unitname | Senter for Materialvitenskap og Nanoteknologi kjemi | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |
dc.identifier.cristin | 2274727 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Inorganic Chemistry&rft.volume=63&rft.spage=10594&rft.date=2024 | |
dc.identifier.jtitle | Inorganic Chemistry | |
dc.identifier.volume | 63 | |
dc.identifier.issue | 23 | |
dc.identifier.startpage | 10594 | |
dc.identifier.endpage | 10602 | |
dc.identifier.doi | https://doi.org/10.1021/acs.inorgchem.4c00931 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 0020-1669 | |
dc.type.version | PublishedVersion | |
dc.relation.project | NFR/343193 | |
dc.relation.project | NFR/245942 | |
dc.relation.project | NFR/325345 | |
dc.relation.project | NFR/208896 | |
dc.relation.project | NFR/301711 | |