Unconventional Magnetism in a Nitrogen-Based Analogue of Cupric Oxide
We have investigated the magnetic properties of CuNCN, the first nitrogen-based analogue of cupric oxide, CuO. Our muon spin relaxation, nuclear magnetic resonance and electron spin resonance studies reveal that classical magnetic ordering is absent down to lowest temperatures. However, large enhanc...
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| Veröffentlicht in: | arXiv.org 2011-06 |
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| creator | Zorko, A Jeglič, P Potočnik, A Arčon, D Balčytis, A Jagličić, Z Liu, X Tchougréeff, A L Dronskowski, R |
| description | We have investigated the magnetic properties of CuNCN, the first nitrogen-based analogue of cupric oxide, CuO. Our muon spin relaxation, nuclear magnetic resonance and electron spin resonance studies reveal that classical magnetic ordering is absent down to lowest temperatures. However, large enhancement of spin correlations and unexpected inhomogeneous magnetism have been observed below 80 K. We attribute this to a peculiar fragility of the electronic state against weak perturbations due to geometrical frustration, which selects between competing spin-liquid and more conventional frozen states. |
| doi_str_mv | 10.48550/arxiv.1105.1691 |
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Our muon spin relaxation, nuclear magnetic resonance and electron spin resonance studies reveal that classical magnetic ordering is absent down to lowest temperatures. However, large enhancement of spin correlations and unexpected inhomogeneous magnetism have been observed below 80 K. We attribute this to a peculiar fragility of the electronic state against weak perturbations due to geometrical frustration, which selects between competing spin-liquid and more conventional frozen states.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1105.1691</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Copper oxides ; Electron paramagnetic resonance ; Electron spin ; Electron states ; Fragility ; Frustrated magnetism ; Magnetic induction ; Magnetic properties ; Magnetism ; Muon spin relaxation ; Nitrogen ; NMR ; Nuclear magnetic resonance ; Perturbation ; Physics - Strongly Correlated Electrons ; Spin liquid ; Spin resonance</subject><ispartof>arXiv.org, 2011-06</ispartof><rights>2011. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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We attribute this to a peculiar fragility of the electronic state against weak perturbations due to geometrical frustration, which selects between competing spin-liquid and more conventional frozen states.</description><subject>Copper oxides</subject><subject>Electron paramagnetic resonance</subject><subject>Electron spin</subject><subject>Electron states</subject><subject>Fragility</subject><subject>Frustrated magnetism</subject><subject>Magnetic induction</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Muon spin relaxation</subject><subject>Nitrogen</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Perturbation</subject><subject>Physics - Strongly Correlated Electrons</subject><subject>Spin liquid</subject><subject>Spin resonance</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotj01LAzEURYMgWGr3riTgemq-J1nWUq1Q7aauhzeZpKS0SZ3MlPrvnVpXjwuHe99B6IGSqdBSkmdoz-E0pZTIKVWG3qAR45wWWjB2hyY57wghTJVMSj5Ci69oUzy52IUUYY8_YBtdF_IBh4gBf4auTVsXixfIrsGzAUnb3uHk8bw_tsHi9Tk07h7dethnN_m_Y7R5XWzmy2K1fnufz1YFSGoKb4RlXlJLNWWNoN4xah2TNZQAwL3xSihTKqAK6iHWvAbOrTRWEF5zwcfo8Vr7p1gN-wdof6qLanVRHYCnK3Bs03fvclftUt8OT-eKEa1KrbQ2_Bcrx1YE</recordid><startdate>20110630</startdate><enddate>20110630</enddate><creator>Zorko, A</creator><creator>Jeglič, P</creator><creator>Potočnik, A</creator><creator>Arčon, D</creator><creator>Balčytis, A</creator><creator>Jagličić, Z</creator><creator>Liu, X</creator><creator>Tchougréeff, A L</creator><creator>Dronskowski, R</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20110630</creationdate><title>Unconventional Magnetism in a Nitrogen-Based Analogue of Cupric Oxide</title><author>Zorko, A ; 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| subjects | Copper oxides Electron paramagnetic resonance Electron spin Electron states Fragility Frustrated magnetism Magnetic induction Magnetic properties Magnetism Muon spin relaxation Nitrogen NMR Nuclear magnetic resonance Perturbation Physics - Strongly Correlated Electrons Spin liquid Spin resonance |
| title | Unconventional Magnetism in a Nitrogen-Based Analogue of Cupric Oxide |
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