Quantum Magnetic Properties in Perovskite with Anderson Localized Artificial Spin-1/2

Gunasekera, Jagath; Dahal, Ashutosh; Chen, Yiyao; Rodriguez-Rivera, Jose A.; Harriger, Leland W.; Thomas, Stefan; Heitmann, Thomas W.; Dugaev, Vitalii; Ernst, Arthur; Singh, Deepak K.

doi:10.1002/advs.201700978

Title: Quantum Magnetic Properties in Perovskite with Anderson Localized Artificial Spin-1/2

Journal Article · 02 March 2018 · Advanced Science

DOI: https://doi.org/10.1002/advs.201700978 · OSTI ID:1423485

Gunasekera, Jagath ^[1]; Dahal, Ashutosh ^[1]; Chen, Yiyao ^[1]; Rodriguez-Rivera, Jose A. ^[2]; Harriger, Leland W. ^[3]; Thomas, Stefan ^[4]; Heitmann, Thomas W. ^[1]; Dugaev, Vitalii ^[5]; Ernst, Arthur ^[6]; Singh, Deepak K. ^[1]

Univ. of Missouri, Columbia, MO (United States)
NIST Center for Neutron Research, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)
NIST Center for Neutron Research, Gaithersburg, MD (United States)
Max-Planck-Institut fur Mikrostrukturphysik, Halle (Germany)
Rzeszów Univ. of Technology, Rzeszów (Poland)
Max-Planck-Institut fur Mikrostrukturphysik, Halle (Germany); Johannes Kepler Univ., Linz (Austria)

Quantum magnetic properties in a geometrically frustrated lattice of spin–1/2 magnet, such as quantum spin liquid or solid and the associated spin fractionalization, are considered key in developing a new phase of matter. The feasibility of observing the quantum magnetic properties, usually found in geometrically frustrated lattice of spin–1/2 magnet, in a perovskite material with controlled disorder is demonstrated. It is found that the controlled chemical disorder, due to the chemical substitution of Ru ions by Co–ions, in a simple perovskite CaRuO₃ creates a random prototype configuration of artificial spin–1/2 that forms dimer pairs between the nearest and further away ions. The localization of the Co impurity in the Ru matrix is analyzed using the Anderson localization formulation. The dimers of artificial spin–1/2, due to the localization of Co impurities, exhibit singlet–to–triplet excitation at low temperature without any ordered spin correlation. Furthermore, the localized gapped excitation evolves into a gapless quasi–continuum as dimer pairs break and create freely fluctuating fractionalized spins at high temperature. Together, these properties hint at a new quantum magnetic state with strong resemblance to the resonance valence bond system.

View Journal Article

Cite

Export

Save

Research Organization:: Univ. of Missouri, Columbia, MO (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE

Grant/Contract Number:: SC0014461; DE‐SC0014461

OSTI ID:: 1423485

Alternate ID(s):: OSTI ID: 1423486; OSTI ID: 1499006

Journal Information:: Advanced Science, Vol. 5, Issue 5; ISSN 2198-3844

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

References (37)

Magnetic fluctuations driven insulator-to-metal transition in Ca(Ir1−xRux)O3 Gunasekera, J.; Harriger, L.; Dahal, A. Scientific Reports, Vol. 5, Issue 1 https://doi.org/10.1038/srep18047	journal	December 2015
Physical Properties of Single-Crystalline CaRuO ₃ Grown by a Floating-Zone Method Kikugawa, Naoki; Balicas, Luis; Peter Mackenzie, Andrew Journal of the Physical Society of Japan, Vol. 78, Issue 1 https://doi.org/10.1143/JPSJ.78.014701	journal	January 2009
Coherent-Potential Approximation for a Nonoverlapping-Muffin-Tin-Potential Model of Random Substitutional Alloys Gyorffy, B. L. Physical Review B, Vol. 5, Issue 6 https://doi.org/10.1103/PhysRevB.5.2382	journal	March 1972
Electronic Structure of Impurities in Cu, Calculated Self-Consistently by Korringa-Kohn-Rostoker Green's-Function Method Zeller, R.; Dederichs, P. H. Physical Review Letters, Vol. 42, Issue 25 https://doi.org/10.1103/PhysRevLett.42.1713	journal	June 1979
Spin liquids in frustrated magnets Balents, Leon Nature, Vol. 464, Issue 7286 https://doi.org/10.1038/nature08917	journal	March 2010
Local spin density functional approach to the theory of exchange interactions in ferromagnetic metals and alloys Liechtenstein, A. I.; Katsnelson, M. I.; Antropov, V. P. Journal of Magnetism and Magnetic Materials, Vol. 67, Issue 1 https://doi.org/10.1016/0304-8853(87)90721-9	journal	May 1987
Spin-Orbital Short-Range Order on a Honeycomb-Based Lattice Nakatsuji, S.; Kuga, K.; Kimura, K. Science, Vol. 336, Issue 6081 https://doi.org/10.1126/science.1212154	journal	May 2012
Exact Spin Liquid Ground States of the Quantum Dimer Model on the Square and Honeycomb Lattices Yao, Hong; Kivelson, Steven A. Physical Review Letters, Vol. 108, Issue 24 https://doi.org/10.1103/PhysRevLett.108.247206	journal	June 2012
From high temperature superconductivity to quantum spin liquid: progress in strong correlation physics Lee, Patrick A. Reports on Progress in Physics, Vol. 71, Issue 1 https://doi.org/10.1088/0034-4885/71/1/012501	journal	December 2007
Spin-Liquid Ground State of the S = 1/2 Kagome Heisenberg Antiferromagnet Yan, S.; Huse, D. A.; White, S. R. Science, Vol. 332, Issue 6034 https://doi.org/10.1126/science.1201080	journal	April 2011
Quantum spin liquid emerging in two-dimensional correlated Dirac fermions Meng, Z. Y.; Lang, T. C.; Wessel, S. Nature, Vol. 464, Issue 7290 https://doi.org/10.1038/nature08942	journal	April 2010
Quantum Melting of Magnetic Order due to Orbital Fluctuations Feiner, Louis Felix; Oleś, Andrzej M.; Zaanen, Jan Physical Review Letters, Vol. 78, Issue 14 https://doi.org/10.1103/PhysRevLett.78.2799	journal	April 1997
Quantum Criticality: Competing Ground States in Low Dimensions Sachdev, S. Science, Vol. 288, Issue 5465 https://doi.org/10.1126/science.288.5465.475	journal	April 2000
Quantum-spin-liquid states in the two-dimensional kagome antiferromagnets ZnxCu4−x(OD)6Cl2 Lee, S. -H.; Kikuchi, H.; Qiu, Y. Nature Materials, Vol. 6, Issue 11 https://doi.org/10.1038/nmat1986	journal	August 2007
Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet Han, Tian-Heng; Helton, Joel S.; Chu, Shaoyan Nature, Vol. 492, Issue 7429 https://doi.org/10.1038/nature11659	journal	December 2012
Resonating valence bonds: A new kind of insulator? Anderson, P. W. Materials Research Bulletin, Vol. 8, Issue 2 https://doi.org/10.1016/0025-5408(73)90167-0	journal	February 1973
Mott Transition between a Spin-Liquid Insulator and a Metal in Three Dimensions Podolsky, Daniel; Paramekanti, Arun; Kim, Yong Baek Physical Review Letters, Vol. 102, Issue 18 https://doi.org/10.1103/PhysRevLett.102.186401	journal	May 2009
Spin fluctuations in the ruthenium oxides RuO 2 , SrRuO 3 , CaRuO 3 , and Sr 2 RuO 4 probed by Ru NMR Mukuda, H.; Ishida, K.; Kitaoka, Y. Physical Review B, Vol. 60, Issue 17 https://doi.org/10.1103/PhysRevB.60.12279	journal	November 1999
Extended scattering continua characteristic of spin fractionalization in the two-dimensional frustrated quantum magnet Cs 2 CuCl 4 observed by neutron scattering Coldea, R.; Tennant, D. A.; Tylczynski, Z. Physical Review B, Vol. 68, Issue 13 https://doi.org/10.1103/PhysRevB.68.134424	journal	October 2003
Coherent-Potential Model of Substitutional Disordered Alloys Soven, Paul Physical Review, Vol. 156, Issue 3 https://doi.org/10.1103/PhysRev.156.809	journal	April 1967
Experimental Realization of a 2D Fractional Quantum Spin Liquid Coldea, R.; Tennant, D. A.; Tsvelik, A. M. Physical Review Letters, Vol. 86, Issue 7 https://doi.org/10.1103/PhysRevLett.86.1335	journal	February 2001
Doping a Mott insulator: Physics of high-temperature superconductivity Lee, Patrick A.; Nagaosa, Naoto; Wen, Xiao-Gang Reviews of Modern Physics, Vol. 78, Issue 1 https://doi.org/10.1103/RevModPhys.78.17	journal	January 2006
Molecular Quantum Magnetism in LiZn 2 Mo 3 O 8 Mourigal, M.; Fuhrman, W. T.; Sheckelton, J. P. Physical Review Letters, Vol. 112, Issue 2 https://doi.org/10.1103/PhysRevLett.112.027202	journal	January 2014
Gapless quantum spin liquid, stripe, and antiferromagnetic phases in frustrated Hubbard models in two dimensions Mizusaki, Takahiro; Imada, Masatoshi Physical Review B, Vol. 74, Issue 1 https://doi.org/10.1103/PhysRevB.74.014421	journal	July 2006
Gapless Spin Liquids on the Three-Dimensional Hyperkagome Lattice of Na 4 Ir 3 O 8 Lawler, Michael J.; Paramekanti, Arun; Kim, Yong Baek Physical Review Letters, Vol. 101, Issue 19 https://doi.org/10.1103/PhysRevLett.101.197202	journal	November 2008
Quasilocal critical nature of cooperative paramagnetic fluctuations in CaRuO 3 metal Gunasekera, J.; Harriger, L.; Heitmann, T. Physical Review B, Vol. 91, Issue 24 https://doi.org/10.1103/PhysRevB.91.241103	journal	June 2015
Quasiparticle breakdown in a quantum spin liquid Stone, Matthew B.; Zaliznyak, Igor A.; Hong, Tao Nature, Vol. 440, Issue 7081 https://doi.org/10.1038/nature04593	journal	March 2006
The effect of Ru-site dopants on the magnetic properties of CaRuO ₃ He, T.; Cava, R. J. Journal of Physics: Condensed Matter, Vol. 13, Issue 36 https://doi.org/10.1088/0953-8984/13/36/309	journal	August 2001
Ab initio angle-resolved photoemission in multiple-scattering formulation Lüders, M.; Ernst, A.; Temmerman, W. M. Journal of Physics: Condensed Matter, Vol. 13, Issue 38 https://doi.org/10.1088/0953-8984/13/38/305	journal	September 2001
Numerical solution of the relativistic single-site scattering problem for the Coulomb and the Mathieu potential Geilhufe, Matthias; Achilles, Steven; Köbis, Markus Arthur Journal of Physics: Condensed Matter, Vol. 27, Issue 43 https://doi.org/10.1088/0953-8984/27/43/435202	journal	October 2015
Spin liquids in frustrated magnets Balents, Leon Nature, Vol. 464, Issue 7286 https://doi.org/10.1038/nature08917	journal	March 2010
Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet Han, Tian-Heng; Helton, Joel S.; Chu, Shaoyan Nature, Vol. 492, Issue 7429 https://doi.org/10.1038/nature11659	journal	December 2012
Quantum-spin-liquid states in the two-dimensional kagome antiferromagnets ZnxCu4−x(OD)6Cl2 Lee, S. -H.; Kikuchi, H.; Qiu, Y. Nature Materials, Vol. 6, Issue 11 https://doi.org/10.1038/nmat1986	journal	August 2007
Quantum spin-liquid emerging in two-dimensional correlated Dirac fermions Meng, Z. Y.; Lang, T. C.; Wessel, S. arXiv https://doi.org/10.48550/arxiv.1003.5809	text	January 2010
Exact Spin Liquid Ground States of the Quantum Dimer Model on the Square and Honeycomb Lattices Yao, Hong; Kivelson, Steven A. arXiv https://doi.org/10.48550/arxiv.1112.1702	text	January 2011
Numerical solution of the relativistic single-site scattering problem for the Coulomb and the Mathieu potential Geilhufe, Matthias; Achilles, Steven; Köbis, Markus Arthur arXiv https://doi.org/10.48550/arxiv.1506.07743	text	January 2015
Quasiparticle breakdown in a quantum spin liquid Stone, Matthew B.; Zaliznyak, Igor A.; Hong, Tao arXiv https://doi.org/10.48550/arxiv.cond-mat/0511266	text	January 2005