Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future

Nagler, Stephen; Tennant, Alan

doi:10.1088/1361-648x/ab60e5

Title: Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future

Abstract

The early 1990s saw the first useful application of pulsed neutron spectroscopy to the study of excitations in low dimensional magnetic systems, with Roger Cowley as a key participant in important early experiments. Since that time the technique has blossomed as a powerful tool utilizing vastly improved neutron instrumentation coupled with more powerful pulsed sources. In this work, we review representative experiments illustrating some of the fascinating physics that has been revealed in quasi-one and two dimensional systems.

Authors:

^[1];

^[2]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Shull-Wollan Center

Publication Date:: Thu Jun 18 00:00:00 EDT 2020

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

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

OSTI Identifier:: 1649459

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Physics. Condensed Matter

Additional Journal Information:: Journal Volume: 32; Journal Issue: 37; Journal ID: ISSN 0953-8984

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Low dimensional magnetism; neutron scattering; fractional excitations

Citation Formats


                    Nagler, Stephen, and Tennant, Alan. Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future.  United States: N. p., 2020. 
Web.  doi:10.1088/1361-648x/ab60e5.

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                    Nagler, Stephen, & Tennant, Alan. Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future.  United States.  https://doi.org/10.1088/1361-648x/ab60e5

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                    Nagler, Stephen, and Tennant, Alan. Thu .  
"Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future".  United States.  https://doi.org/10.1088/1361-648x/ab60e5.  https://www.osti.gov/servlets/purl/1649459.

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@article{osti_1649459,

  title        = {Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future},

  author       = {Nagler, Stephen and Tennant, Alan},

  abstractNote = {The early 1990s saw the first useful application of pulsed neutron spectroscopy to the study of excitations in low dimensional magnetic systems, with Roger Cowley as a key participant in important early experiments. Since that time the technique has blossomed as a powerful tool utilizing vastly improved neutron instrumentation coupled with more powerful pulsed sources. In this work, we review representative experiments illustrating some of the fascinating physics that has been revealed in quasi-one and two dimensional systems.},

  doi          = {10.1088/1361-648x/ab60e5},

  journal      = {Journal of Physics. Condensed Matter},

  number       = 37,

  volume       = 32,

  place        = {United States},

  year         = {Thu Jun 18 00:00:00 EDT 2020},

  month        = {Thu Jun 18 00:00:00 EDT 2020}

}

Copy to clipboard

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Motivated by the presence of an unquenched orbital angular momentum in CoO, a team at Chalk River, including a recently hired research officer Roger Cowley, performed the first inelastic neutron scattering experiments on the classic Mott insulator [Sakurai et al 1968 Phys. Rev. 167 510]. Despite identifying two magnon modes at the zone boundary, the team was unable to parameterise the low energy magnetic excitation spectrum below TN using conventional pseudo-bosonic approaches, instead achieving only qualitative agreement. It would not be for another 40 years that Roger, now at Oxford and motivated by the discovery of the high-Tc cuprate superconductorsmore »« less
https://doi.org/10.1088/1361-648x/ab8498

Full Text Available
Los Alamos pulsed spallation neutron source target systems - present and future

Conference Russell, G J ; Daemen, L L ; Pitcher, E J ; ... - Transactions of the American Nuclear Society; (United States)

For the past 16 yr, spallation target-system designers have devoted much time and effort to the design and optimization of pulsed spallation neutron sources. Many concepts have been proposed, but, in practice, only one has been implemented horizontal beam insertion with moderators in wing geometry i.e., until we introduced the innovative split-target/flux-trap-moderator design with a composite reflector shield at the Manuel Lujan, Jr., Neutron Scattering Center (LANSCE). The LANSCE target system design is now considered a classic by spallation target system designers worldwide. LANSCE, a state-of-the-art pulsed spallation neutron source for materials science and nuclear physics research, uses 800-MeV protonsmore »« less
MIT-EAPS Neutron Activation Analysis and Radiometric Laboratory Contribution to Geosciences: Past, Present, and Future

Journal Article Pillalamarri, Ila - AIP Conference Proceedings

The Instrumental Neutron Activation Analysis (INAA) and Radiometric Laboratory's current system is described. This laboratory has been in continuous operation for the past thirty years. A review is provided about the laboratory's analytical participation in trace element geochemical studies of the earth's upper mantle, trace impurity studies of high purity materials, the provenance study of archaeological glass beads, trace multi-element analyses of standard reference materials, the preparation of synthetic analytical standards for Neutron Activation Analysis, and providing a training course in nuclear analytical techniques for environmental samples. The multi-element analysis by INAA consists of determining elements like the rare earthsmore »« less
https://doi.org/10.1063/1.2060481

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Title: Pulsed spallation neutron spectroscopy of low dimensional magnets: past, present, and future

Abstract

Citation Formats

Neutron scattering study of spin waves in one-dimensional antiferromagnet KCu F 3 journal, March 1980

Multiparticle States in the S = 1 Chain System CsNiCl 3 journal, June 2001

Spinons and triplons in spatially anisotropic frustrated antiferromagnets journal, October 2007

Neutron study of the line-shape and field dependence of magnetic excitations in Cu Cl 2 ·2N( C 5 D 5 ) journal, October 1978

Quasi-one-dimensional spin- 1 2 Heisenberg magnets in their ordered phase: Correlation functions journal, November 1997

Excitations in the field-induced quantum spin liquid state of α-RuCl3 journal, February 2018

Finite field regime for a quantum spin liquid in α − RuCl 3 journal, August 2019

Multispinon Continua at Zero and Finite Temperature in a Near-Ideal Heisenberg Chain journal, September 2013

Quantum spin liquids: a review journal, November 2016

Two-magnon excitations observed by neutron scattering in the two-dimensional spin- 5 2 Heisenberg antiferromagnet Rb 2 Mn F 4 journal, July 2005

A dimer theory of the magnetic excitations in the ordered phase of the alternating-chain compound journal, December 1997

High-energy spin waves in the linear-chain antiferromagnet KFeS 2 journal, June 1992

Models and materials for generalized Kitaev magnetism journal, November 2017

Propagating Domain Walls in CsCoBr 3 journal, August 1982

Evidence for a Field-Induced Quantum Spin Liquid in α - RuCl 3 journal, July 2017

An Overall Energy Spectrum of Magnetic Fluctuations in the Superconducting La 1.85 Sr 0.15 CuO 4 journal, August 1995

Quantization of Magnetic Excitation Continuum Due to Interchain Coupling in Nearly One-Dimensional Ising-Like Antiferromagnets journal, August 1980

Neutron scattering study of the magnetic structure of journal, September 1996

What is the spin of a spin wave? journal, October 1981

Exact two-spinon dynamic structure factor of the one-dimensional s = 1 2 Heisenberg-Ising antiferromagnet journal, May 1998

Theoretical and experimental studies on one-dimensional magnetic systems journal, March 1976

Excitations in One-Dimensional S = 1 2 Quantum Antiferromagnets journal, June 2003

The spectral weight of low-lying excitations in the one-dimensional spin 1/2 Heisenberg antiferromagnet conference, January 1975

α − RuCl 3 : A spin-orbit assisted Mott insulator on a honeycomb lattice journal, July 2014

Quantum spin dynamics of the antiferromagnetic linear chain in zero and nonzero magnetic field journal, August 1981

Direct Measurement of the Spin Hamiltonian and Observation of Condensation of Magnons in the 2D Frustrated Quantum Magnet Cs 2 CuCl 4 journal, March 2002

Extended scattering continua characteristic of spin fractionalization in the two-dimensional frustrated quantum magnet Cs 2 CuCl 4 observed by neutron scattering journal, October 2003

Experiments on simple magnetic model systems journal, January 1974

Novel Longitudinal Mode in the Coupled Quantum Chain Compound KCuF 3 journal, July 2000

Dynamics of an Antiferromagnet at Low Temperatures: Spin-Wave Damping and Hydrodynamics journal, February 1971

Comprehensive study of the dynamics of a classical Kitaev spin liquid journal, October 2017

Raman Scattering Signatures of Kitaev Spin Liquids in A 2 IrO 3 Iridates with A = Na or Li journal, October 2014

Dynamics of Coupled Quantum Spin Chains journal, September 1996

Propagative spin relaxation in the Ising-like antiferromagnetic linear chain journal, January 1975

Higgs mode and its decay in a two-dimensional antiferromagnet journal, March 2017

Longitudinal magnetic dynamics and dimensional crossover in the quasi-one-dimensional spin- 1 2 Heisenberg antiferromagnet KCuF 3 journal, April 2005

Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point journal, July 2017

Spin-Wave Spectrum of the Antiferromagnetic Linear Chain journal, December 1962

Proximate Kitaev quantum spin liquid behaviour in a honeycomb magnet journal, April 2016

Quantum Spin Dynamics of an S = 3 / 2 Heisenberg Antiferromagnetic Chain: Inelastic Pulsed Neutron Scattering from CsVC l 3 journal, March 1995

Superconductivity in ladders and coupled planes journal, March 1992

Anyons in an exactly solved model and beyond journal, January 2006

Concept and realization of Kitaev quantum spin liquids journal, March 2019

Spin wave energy dispersion in KCuF 3 : a nearly one-dimensional spin- 1 / 2 antiferromagnet journal, September 1979

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

Quantum Spin Excitations in the Spin-Peierls System CuGe O 3 journal, October 1996

One- and Two-Triplon Spectra of a Cuprate Ladder journal, January 2007

Novel Strongly Spin-Orbit Coupled Quantum Dimer Magnet: Yb 2 Si 2 O 7 journal, July 2019

Physics of the Kitaev Model: Fractionalization, Dynamic Correlations, and Material Connections journal, March 2018

Neutron scattering in the proximate quantum spin liquid α-RuCl 3 journal, June 2017

Spin Dynamics in the One-Dimensional Antiferromagnet ( C D 3 ) 4 NMn Cl 3 journal, March 1972

Measurement of the spin-excitation continuum in one-dimensional KCuF 3 using neutron scattering journal, November 1995

Unbound spinons in the S =1/2 antiferromagnetic chain KCuF 3 journal, June 1993

Majorana quantization and half-integer thermal quantum Hall effect in a Kitaev spin liquid journal, July 2018

Dynamics of an S = 1 2 , One-Dimensional Heisenberg Antiferromagnet journal, January 1974

Quasi-1D S = 1 / 2 Antiferromagnet Cs 2 CuCl 4 in a Magnetic Field journal, July 1997

Continuous excitations of the triangular-lattice quantum spin liquid YbMgGaO4 journal, December 2016

Order-to-disorder transition in the XY -like quantum magnet Cs 2 CoCl 4 induced by noncommuting applied fields journal, April 2002

High-energy spin waves in La 2 CuO 4 journal, December 1991

Majorana fermions in the Kitaev quantum spin system α-RuCl3 journal, September 2017

Magnetic excitations in the ordered phase of the antiferromagnetic alternating chain compound journal, October 1996

Ising-like spin-½ quasi-one-dimensional antiferromagnets: Spin-wave response in CsCo X 3 salts journal, February 1983

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

Dynamical Correlation Functions of One-Dimensional Anisotropic Heisenberg Model with Spin 1/2. I: Ising-Like Antiferromagnets journal, March 1980

Complete Two-Dimensional Antiferromagnetic Spin-Wave Dispersion Relation of La 2 NiO 4 Determined by Chopper Spectrometer Installed at the Pulsed Neutron Source journal, April 1991

A Field Guide to Spin Liquids journal, March 2019

Spin Dynamics on Two-Dimensional Heisenberg Antiferromagnets –High Energy Neutron Inelastic Scattering from La 2 CuO 4 and La 2 NiO 4 – journal, December 1994

Fermi-Liquid Theory of Linear Antiferromagnetic Chains journal, April 1969

Models of excitations in journal, March 1996

Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet journal, December 2012

Resonating valence bonds: A new kind of insulator? journal, February 1973

Quantum criticality and universal scaling of a quantum antiferromagnet journal, March 2005

Experimental evidence for the Haldane gap in a spin-1 nearly isotropic, antiferromagnetic chain journal, January 1986

Dynamical T =0 correlations of the S =1/2 one-dimensional Heisenberg antiferromagnet with 1/ r 2 exchange in a magnetic field journal, September 1994

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

Zur Theorie der Metalle: I. Eigenwerte und Eigenfunktionen der linearen Atomkette journal, March 1931

Experimental Realization of a 2D Fractional Quantum Spin Liquid journal, February 2001

Neutron scattering study of spin waves in one-dimensional antiferromagnet KCu $F_{3}$
journal, March 1980

Multiparticle States in the $S = 1$ Chain System ${CsNiCl}_{3}$
journal, June 2001

Spinons and triplons in spatially anisotropic frustrated antiferromagnets
journal, October 2007

Neutron study of the line-shape and field dependence of magnetic excitations in Cu ${Cl}_{2}$ ·2N( $C_{5}$ $D_{5}$ )
journal, October 1978

Quasi-one-dimensional spin- $\frac{1}{2}$ Heisenberg magnets in their ordered phase: Correlation functions
journal, November 1997

Excitations in the field-induced quantum spin liquid state of α-RuCl3
journal, February 2018

Finite field regime for a quantum spin liquid in $α − {RuCl}_{3}$
journal, August 2019

Multispinon Continua at Zero and Finite Temperature in a Near-Ideal Heisenberg Chain
journal, September 2013

Quantum spin liquids: a review
journal, November 2016

Two-magnon excitations observed by neutron scattering in the two-dimensional spin- $\frac{5}{2}$ Heisenberg antiferromagnet ${Rb}_{2} Mn F_{4}$
journal, July 2005

A dimer theory of the magnetic excitations in the ordered phase of the alternating-chain compound
journal, December 1997

High-energy spin waves in the linear-chain antiferromagnet ${KFeS}_{2}$
journal, June 1992

Models and materials for generalized Kitaev magnetism
journal, November 2017

Propagating Domain Walls in ${CsCoBr}_{3}$
journal, August 1982

Evidence for a Field-Induced Quantum Spin Liquid in $α$ - ${RuCl}_{3}$
journal, July 2017

An Overall Energy Spectrum of Magnetic Fluctuations in the Superconducting La _1.85 Sr _0.15 CuO ₄
journal, August 1995

Quantization of Magnetic Excitation Continuum Due to Interchain Coupling in Nearly One-Dimensional Ising-Like Antiferromagnets
journal, August 1980

Neutron scattering study of the magnetic structure of
journal, September 1996

What is the spin of a spin wave?
journal, October 1981

Exact two-spinon dynamic structure factor of the one-dimensional $s = \frac{1}{2}$ Heisenberg-Ising antiferromagnet
journal, May 1998

Theoretical and experimental studies on one-dimensional magnetic systems
journal, March 1976

Excitations in One-Dimensional $S = \frac{1}{2}$ Quantum Antiferromagnets
journal, June 2003

The spectral weight of low-lying excitations in the one-dimensional spin 1/2 Heisenberg antiferromagnet
conference, January 1975

$α - {RuCl}_{3}$ : A spin-orbit assisted Mott insulator on a honeycomb lattice
journal, July 2014

Quantum spin dynamics of the antiferromagnetic linear chain in zero and nonzero magnetic field
journal, August 1981

Direct Measurement of the Spin Hamiltonian and Observation of Condensation of Magnons in the 2D Frustrated Quantum Magnet ${Cs}_{2} {CuCl}_{4}$
journal, March 2002

Extended scattering continua characteristic of spin fractionalization in the two-dimensional frustrated quantum magnet ${Cs}_{2} {CuCl}_{4}$ observed by neutron scattering
journal, October 2003

Experiments on simple magnetic model systems
journal, January 1974

Novel Longitudinal Mode in the Coupled Quantum Chain Compound ${KCuF}_{3}$
journal, July 2000

Dynamics of an Antiferromagnet at Low Temperatures: Spin-Wave Damping and Hydrodynamics
journal, February 1971

Comprehensive study of the dynamics of a classical Kitaev spin liquid
journal, October 2017

Raman Scattering Signatures of Kitaev Spin Liquids in $A_{2} {IrO}_{3}$ Iridates with $A = Na$ or Li
journal, October 2014

Dynamics of Coupled Quantum Spin Chains
journal, September 1996

Propagative spin relaxation in the Ising-like antiferromagnetic linear chain
journal, January 1975

Higgs mode and its decay in a two-dimensional antiferromagnet
journal, March 2017

Longitudinal magnetic dynamics and dimensional crossover in the quasi-one-dimensional spin- $\frac{1}{2}$ Heisenberg antiferromagnet ${KCuF}_{3}$
journal, April 2005

Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point
journal, July 2017

Spin-Wave Spectrum of the Antiferromagnetic Linear Chain
journal, December 1962

Proximate Kitaev quantum spin liquid behaviour in a honeycomb magnet
journal, April 2016

Quantum Spin Dynamics of an $S = 3 / 2$ Heisenberg Antiferromagnetic Chain: Inelastic Pulsed Neutron Scattering from CsVC $l_{3}$
journal, March 1995

Superconductivity in ladders and coupled planes
journal, March 1992

Anyons in an exactly solved model and beyond
journal, January 2006

Concept and realization of Kitaev quantum spin liquids
journal, March 2019

Spin wave energy dispersion in KCuF ₃ : a nearly one-dimensional spin- ¹ / ₂ antiferromagnet
journal, September 1979

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

Quantum Spin Excitations in the Spin-Peierls System CuGe $O_{3}$
journal, October 1996

One- and Two-Triplon Spectra of a Cuprate Ladder
journal, January 2007

Novel Strongly Spin-Orbit Coupled Quantum Dimer Magnet: ${Yb}_{2} {Si}_{2} O_{7}$
journal, July 2019

Physics of the Kitaev Model: Fractionalization, Dynamic Correlations, and Material Connections
journal, March 2018

Neutron scattering in the proximate quantum spin liquid α-RuCl ₃
journal, June 2017

Spin Dynamics in the One-Dimensional Antiferromagnet ${(C D_{3})}_{4}$ NMn ${Cl}_{3}$
journal, March 1972

Measurement of the spin-excitation continuum in one-dimensional ${KCuF}_{3}$ using neutron scattering
journal, November 1995

Unbound spinons in the S =1/2 antiferromagnetic chain ${KCuF}_{3}$
journal, June 1993

Majorana quantization and half-integer thermal quantum Hall effect in a Kitaev spin liquid
journal, July 2018

Dynamics of an $S = \frac{1}{2}$ , One-Dimensional Heisenberg Antiferromagnet
journal, January 1974

Quasi-1D $S = 1 / 2$ Antiferromagnet ${Cs}_{2} {CuCl}_{4}$ in a Magnetic Field
journal, July 1997

Continuous excitations of the triangular-lattice quantum spin liquid YbMgGaO4
journal, December 2016

Order-to-disorder transition in the $XY$ -like quantum magnet ${Cs}_{2} {CoCl}_{4}$ induced by noncommuting applied fields
journal, April 2002

High-energy spin waves in ${La}_{2}$ ${CuO}_{4}$
journal, December 1991

Majorana fermions in the Kitaev quantum spin system α-RuCl3
journal, September 2017

Magnetic excitations in the ordered phase of the antiferromagnetic alternating chain compound
journal, October 1996

Ising-like spin-½ quasi-one-dimensional antiferromagnets: Spin-wave response in $CsCo X_{3}$ salts
journal, February 1983

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

Dynamical Correlation Functions of One-Dimensional Anisotropic Heisenberg Model with Spin 1/2. I: Ising-Like Antiferromagnets
journal, March 1980

Complete Two-Dimensional Antiferromagnetic Spin-Wave Dispersion Relation of La ₂ NiO ₄ Determined by Chopper Spectrometer Installed at the Pulsed Neutron Source
journal, April 1991

A Field Guide to Spin Liquids
journal, March 2019

Spin Dynamics on Two-Dimensional Heisenberg Antiferromagnets –High Energy Neutron Inelastic Scattering from La ₂ CuO ₄ and La ₂ NiO ₄ –
journal, December 1994

Fermi-Liquid Theory of Linear Antiferromagnetic Chains
journal, April 1969

Models of excitations in
journal, March 1996

Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet
journal, December 2012

Resonating valence bonds: A new kind of insulator?
journal, February 1973

Quantum criticality and universal scaling of a quantum antiferromagnet
journal, March 2005

Experimental evidence for the Haldane gap in a spin-1 nearly isotropic, antiferromagnetic chain
journal, January 1986

Dynamical T =0 correlations of the S =1/2 one-dimensional Heisenberg antiferromagnet with 1/ $r^{2}$ exchange in a magnetic field
journal, September 1994

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

Zur Theorie der Metalle: I. Eigenwerte und Eigenfunktionen der linearen Atomkette
journal, March 1931

Experimental Realization of a 2D Fractional Quantum Spin Liquid
journal, February 2001

Dynamical correlation functions in a one-dimensional Ising-like antiferromagnetic CsCo ${Cl}_{3}$ : A neutron scattering study
journal, March 1981

Phase diagrams and correlation exponents for quantum spin chains of arbitrary spin quantum number
journal, November 1986

Continuum dynamics of the 1-D Heisenberg antiferromagnet: Identification with the O(3) nonlinear sigma model
journal, February 1983