Low-energy spin dynamics in rare-earth perovskite oxides

Podlesnyak, Andrey A.; Nikitin, Stanislav; Ehlers, Georg

doi:10.1088/1361-648x/ac1367

Title: Low-energy spin dynamics in rare-earth perovskite oxides

Abstract

We review recent studies of spin dynamics in rare-earth orthorhombic perovskite oxides of the type RMO₃, where R is a rare-earth ion and M is a transition-metal ion, using single-crystal inelastic neutron scattering (INS). After a short introduction to the magnetic INS technique in general, the results of INS experiments on both transition-metal and rare-earth subsystems for four selected compounds (YbFeO₃, TmFeO₃, YFeO₃, YbAlO₃) are presented. We show that the spectrum of magnetic excitations consists of two types of collective modes that are well separated in energy: gapped magnons with a typical bandwidth of <70 meV, associated with the antiferromagnetically (AFM) ordered transition-metal subsystem, and AFM fluctuations of <5 meV within the rare-earth subsystem, with no hybridization of those modes. We discuss the high-energy conventional magnon excitations of the 3d subsystem only briefly, and focus in more detail on the spectacular dynamics of the rare-earth sublattice in these materials. We observe that the nature of the ground state and the low-energy excitation strongly depends on the identity of the rare-earth ion. In the case of non-Kramers ions, the low-symmetry crystal field completely eliminates the degeneracy of the multiplet state, creating a rich magnetic field-temperature phase diagram. In the case ofmore »« less

Authors:

^[1]; Nikitin, Stanislav ^[2];

^[1]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Paul Scherrer Inst. (PSI), Villigen (Switzerland)

Publication Date:: Wed Jul 28 00:00:00 EDT 2021

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1812269

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Physics. Condensed Matter

Additional Journal Information:: Journal Volume: 33; Journal Issue: 40; Journal ID: ISSN 0953-8984

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Podlesnyak, Andrey A., Nikitin, Stanislav, and Ehlers, Georg. Low-energy spin dynamics in rare-earth perovskite oxides.  United States: N. p., 2021. 
Web.  doi:10.1088/1361-648x/ac1367.

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                    Podlesnyak, Andrey A., Nikitin, Stanislav, & Ehlers, Georg. Low-energy spin dynamics in rare-earth perovskite oxides.  United States.  https://doi.org/10.1088/1361-648x/ac1367

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                    Podlesnyak, Andrey A., Nikitin, Stanislav, and Ehlers, Georg. Wed .  
"Low-energy spin dynamics in rare-earth perovskite oxides".  United States.  https://doi.org/10.1088/1361-648x/ac1367.  https://www.osti.gov/servlets/purl/1812269.

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@article{osti_1812269,

  title        = {Low-energy spin dynamics in rare-earth perovskite oxides},

  author       = {Podlesnyak, Andrey A. and Nikitin, Stanislav and Ehlers, Georg},

  abstractNote = {We review recent studies of spin dynamics in rare-earth orthorhombic perovskite oxides of the type RMO3, where R is a rare-earth ion and M is a transition-metal ion, using single-crystal inelastic neutron scattering (INS). After a short introduction to the magnetic INS technique in general, the results of INS experiments on both transition-metal and rare-earth subsystems for four selected compounds (YbFeO3, TmFeO3, YFeO3, YbAlO3) are presented. We show that the spectrum of magnetic excitations consists of two types of collective modes that are well separated in energy: gapped magnons with a typical bandwidth of <70 meV, associated with the antiferromagnetically (AFM) ordered transition-metal subsystem, and AFM fluctuations of <5 meV within the rare-earth subsystem, with no hybridization of those modes. We discuss the high-energy conventional magnon excitations of the 3d subsystem only briefly, and focus in more detail on the spectacular dynamics of the rare-earth sublattice in these materials. We observe that the nature of the ground state and the low-energy excitation strongly depends on the identity of the rare-earth ion. In the case of non-Kramers ions, the low-symmetry crystal field completely eliminates the degeneracy of the multiplet state, creating a rich magnetic field-temperature phase diagram. In the case of Kramers ions, the resulting ground state is at least a doublet, which can be viewed as an effective quantum spin-1/2. Equally important is the fact that in Yb-based materials the nearest-neighbor exchange interaction dominates in one direction, despite the three-dimensional nature of the orthoperovskite crystal structure. The observation of a fractional spinon continuum and quantum criticality in YbAlO3 demonstrates that Kramers rare-earth based magnets can provide realizations of various aspects of quantum low-dimensional physics.},

  doi          = {10.1088/1361-648x/ac1367},

  journal      = {Journal of Physics. Condensed Matter},

  number       = 40,

  volume       = 33,

  place        = {United States},

  year         = {Wed Jul 28 00:00:00 EDT 2021},

  month        = {Wed Jul 28 00:00:00 EDT 2021}

}

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Title: Low-energy spin dynamics in rare-earth perovskite oxides

Abstract

Citation Formats

Matrix Elements and Operator Equivalents Connected with the Magnetic Properties of Rare Earth Ions journal, March 1952

Critical and off-critical properties of the XXZ chain in external homogeneous and staggered magnetic fields journal, March 1995

Neutron diffraction study of weak antiferromagnetism in ytterbium orthoferrite journal, August 1983

Review of Recent Work on the Magnetic and Spectroscopic Properties of the Rare‐Earth Orthoferrites journal, March 1969

Antiperovskites with Exceptional Functionalities journal, November 2019

SEQUOIA: A Newly Operating Chopper Spectrometer at the SNS journal, November 2010

The geometric blueprint of perovskites journal, May 2018

Optical spectra of even-electron rare earth ions in the orthoferrites journal, May 1970

Resolving the spin reorientation and crystal-field transitions in TmFeO3 with terahertz transient journal, March 2016

Multiple fermion scattering in the weakly coupled spin-chain compound YbAlO3 journal, June 2021

Neutron scattering lengths and cross sections journal, January 1992

Low-temperature spin dynamics in the TmFeO 3 orthoferrite with a non-Kramers ion journal, January 2020

Inertia-driven spin switching in antiferromagnets journal, August 2009

Linear spin wave theory for single-Q incommensurate magnetic structures journal, March 2015

The new cold neutron chopper spectrometer at the Spallation Neutron Source: Design and performance journal, August 2011

Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3 journal, June 2012

Magnetic phase diagram of the quantum spin chain compound SrCo 2 V 2 O 8 : a single-crystal neutron diffraction study journal, July 2019

Low-energy spin dynamics of orthoferrites AFeO 3 (A = Y, La, Bi) journal, May 2018

DAVE: A Comprehensive Software Suite for the Reduction, Visualization, and Analysis of Low Energy Neutron Spectroscopic Data journal, November 2009

Antiferromagnetic ordering in the ytterbium aluminum perovskite YbAlO3 journal, March 1981

On the relative contributions of precessional and longitudinal oscillations to the dynamics of magnets journal, October 1999

Laser-induced ultrafast spin reorientation in the antiferromagnet TmFeO3 journal, June 2004

Orbital-exchange and fractional quantum number excitations in an f-electron metal, Yb 2 Pt 2 Pb journal, June 2016

Using McPhase to calculate magnetic phase diagrams of rare earth compounds journal, May 2004

Neutron Scattering and the Frequency Distribution of the Normal Modes of Vanadium Metal journal, December 1955

Design and operation of the wide angular-range chopper spectrometer ARCS at the Spallation Neutron Source journal, January 2012

Magnetic excitations in the longitudinally amplitude modulated magnetic structure of PrNi 2 Si 2 journal, October 2011

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A brief review on perovskite multiferroics journal, January 2017

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Field-tunable quantum disordered ground state in the triangular-lattice antiferromagnet NaYbO2 journal, July 2019

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Origin of ferroelectricity in perovskite oxides journal, July 1992

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Horace : Software for the analysis of data from single crystal spectroscopy experiments at time-of-flight neutron instruments journal, October 2016

Anisotropic magnetic entropy change in RFeO3 single crystals(R = Tb, Tm, or Y) journal, January 2016

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Chemical Structures and Performance of Perovskite Oxides journal, July 2001

The ALPS project release 1.3: Open-source software for strongly correlated systems journal, March 2007

One-dimensional spinon spin currents journal, September 2016

Quantum Criticality in an Ising Chain: Experimental Evidence for Emergent E 8 Symmetry journal, January 2010

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Tomonaga–Luttinger liquid behavior and spinon confinement in YbAlO3 journal, February 2019

Field-induced incommensurate ordering in Heisenberg chains coupled by Ising interaction: Model for ytterbium aluminum perovskite YbAlO 3 journal, June 2019

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Matrix Elements and Operator Equivalents Connected with the Magnetic Properties of Rare Earth Ions
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SEQUOIA: A Newly Operating Chopper Spectrometer at the SNS
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The geometric blueprint of perovskites
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Optical spectra of even-electron rare earth ions in the orthoferrites
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Multiple fermion scattering in the weakly coupled spin-chain compound YbAlO3
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Neutron scattering lengths and cross sections
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Low-temperature spin dynamics in the ${TmFeO}_{3}$ orthoferrite with a non-Kramers ion
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Inertia-driven spin switching in antiferromagnets
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Linear spin wave theory for single-Q incommensurate magnetic structures
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The new cold neutron chopper spectrometer at the Spallation Neutron Source: Design and performance
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Solitonic lattice and Yukawa forces in the rare-earth orthoferrite TbFeO3
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Magnetic phase diagram of the quantum spin chain compound SrCo ₂ V ₂ O ₈ : a single-crystal neutron diffraction study
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Low-energy spin dynamics of orthoferrites AFeO ₃ (A = Y, La, Bi)
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DAVE: A Comprehensive Software Suite for the Reduction, Visualization, and Analysis of Low Energy Neutron Spectroscopic Data
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Antiferromagnetic ordering in the ytterbium aluminum perovskite YbAlO3
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On the relative contributions of precessional and longitudinal oscillations to the dynamics of magnets
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Laser-induced ultrafast spin reorientation in the antiferromagnet TmFeO3
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Orbital-exchange and fractional quantum number excitations in an f-electron metal, Yb ₂ Pt ₂ Pb
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Using McPhase to calculate magnetic phase diagrams of rare earth compounds
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Neutron Scattering and the Frequency Distribution of the Normal Modes of Vanadium Metal
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Design and operation of the wide angular-range chopper spectrometer ARCS at the Spallation Neutron Source
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Magnetic excitations in the longitudinally amplitude modulated magnetic structure of PrNi ₂ Si ₂
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Magnetism of perovskite cobaltites with Kramers rare-earth ions
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A brief review on perovskite multiferroics
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Antiferromagnetic ordering and dipolar interactions of ${YbAlO}_{3}$
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Ultrafast non-thermal control of magnetization by instantaneous photomagnetic pulses
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Crystal field excitations of NdFeO3
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Mantid—Data analysis and visualization package for neutron scattering and $μ$ SR experiments
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Role of the spin anisotropy of the interchain interaction in weakly coupled antiferromagnetic Heisenberg chains
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Magnetic and structural properties of spin-reorientation transitions in orthoferrites
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Review on Recent Progress of All‐Inorganic Metal Halide Perovskites and Solar Cells
journal, September 2019

Evidence for a spinon Fermi surface in a triangular-lattice quantum-spin-liquid candidate
journal, December 2016

Field-tunable quantum disordered ground state in the triangular-lattice antiferromagnet NaYbO2
journal, July 2019

Metal halide perovskite nanostructures for optoelectronic applications and the study of physical properties
journal, February 2019

Quantum spin transistor with a Heisenberg spin chain
journal, October 2016

Origin of ferroelectricity in perovskite oxides
journal, July 1992

Structural properties of TmFeO3 in the spontaneous reorientation region
journal, August 2006

Fractional spinon excitations in the quantum Heisenberg antiferromagnetic chain
journal, June 2013

Dynamical spin reorientation transition in NdFeO ₃ single crystal observed with polarized terahertz time domain spectroscopy
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Perovskite: Name Puzzle and German‐Russian Odyssey of Discovery
journal, May 2020

The cold neutron chopper spectrometer at the Spallation Neutron Source—A review of the first 8 years of operation
journal, September 2016

Horace : Software for the analysis of data from single crystal spectroscopy experiments at time-of-flight neutron instruments
journal, October 2016

Anisotropic magnetic entropy change in RFeO3 single crystals(R = Tb, Tm, or Y)
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Thermal changes of the crystal structure and the influence of thermo-chemical annealing on the optical properties of YbAlO ₃ crystals
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Chemical Structures and Performance of Perovskite Oxides
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The ALPS project release 1.3: Open-source software for strongly correlated systems
journal, March 2007

One-dimensional spinon spin currents
journal, September 2016

Quantum Criticality in an Ising Chain: Experimental Evidence for Emergent E ₈ Symmetry
journal, January 2010

Neutron inelastic scattering study of rare-earth orthoferrite HoFeO3
journal, August 2020

Tomonaga–Luttinger liquid behavior and spinon confinement in YbAlO3
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Field-induced incommensurate ordering in Heisenberg chains coupled by Ising interaction: Model for ytterbium aluminum perovskite ${YbAlO}_{3}$
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Multiferroics: a magnetic twist for ferroelectricity
journal, January 2007

Relaxing with relaxors: a review of relaxor ferroelectrics
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Confinement of fractional quantum number particles in a condensed-matter system
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Structures et propriétés magnétiques des orthocobaltites de terres rares TCoO3
journal, January 1970

Linear Antiferromagnetic Chain with Anisotropic Coupling
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