First-order melting of a weak spin-orbit mott insulator into a correlated metal

Hogan, Tom; Yamani, Z.; Walkup, D.; Chen, Xiang; Dally, Rebecca; Ward, Thomas Zac; Dean, M. P. M.; Hill, John P.; Islam, Z.; Madhavan, Vidya; Wilson, Stephen D.

doi:10.1103/PhysRevLett.114.257203

Title: First-order melting of a weak spin-orbit mott insulator into a correlated metal

Abstract

Herein, the electronic phase diagram of the weak spin-orbit Mott insulator (Sr_1-xLa_x)₃Ir₂O₇ is determined via an exhaustive experimental study. Upon doping electrons via La substitution, an immediate collapse in resistivity occurs along with a narrow regime of nanoscale phase separation comprised of antiferromagnetic, insulating regions and paramagnetic, metallic puddles persisting until x≈0.04. Continued electron doping results in an abrupt, first-order phase boundary where the Néel state is suppressed and a homogenous, correlated, metallic state appears with an enhanced spin susceptibility and local moments. In conclusion, as the metallic state is stabilized, a weak structural distortion develops and suggests a competing instability with the parent spin-orbit Mott state.

Authors:

Hogan, Tom ^[1]; Yamani, Z. ^[2]; Walkup, D. ^[3]; Chen, Xiang ^[1]; Dally, Rebecca ^[1]; Ward, Thomas Zac ^[4]; Dean, M. P. M. ^[5]; Hill, John P. ^[5]; Islam, Z. ^[6]; Madhavan, Vidya ^[7]; Wilson, Stephen D. ^[8]

Boston College, Chestnut Hill, MA (United States); Univ. of California, Santa Barbara, CA (United States)
Canadian Neutron Beam Centre, National Research Council, Ontario (Canada)
Boston College, Chestnut Hill, MA (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Univ. of Illinois, Urbana-Champaign, IL (United States).
Univ. of California, Santa Barbara, CA (United States)

Publication Date:: Thu Jun 25 00:00:00 EDT 2015

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:: 1286869

Alternate Identifier(s):: OSTI ID: 1198531

Grant/Contract Number:: AC05-00OR22725; NE-AC02-06CH11357; AC02-98CH10886

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 114; Journal Issue: 25; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Hogan, Tom, Yamani, Z., Walkup, D., Chen, Xiang, Dally, Rebecca, Ward, Thomas Zac, Dean, M. P. M., Hill, John P., Islam, Z., Madhavan, Vidya, and Wilson, Stephen D. First-order melting of a weak spin-orbit mott insulator into a correlated metal.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevLett.114.257203.

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                    Hogan, Tom, Yamani, Z., Walkup, D., Chen, Xiang, Dally, Rebecca, Ward, Thomas Zac, Dean, M. P. M., Hill, John P., Islam, Z., Madhavan, Vidya, & Wilson, Stephen D. First-order melting of a weak spin-orbit mott insulator into a correlated metal.  United States.  https://doi.org/10.1103/PhysRevLett.114.257203

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                    Hogan, Tom, Yamani, Z., Walkup, D., Chen, Xiang, Dally, Rebecca, Ward, Thomas Zac, Dean, M. P. M., Hill, John P., Islam, Z., Madhavan, Vidya, and Wilson, Stephen D. Thu .  
"First-order melting of a weak spin-orbit mott insulator into a correlated metal".  United States.  https://doi.org/10.1103/PhysRevLett.114.257203.  https://www.osti.gov/servlets/purl/1286869.

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@article{osti_1286869,

  title        = {First-order melting of a weak spin-orbit mott insulator into a correlated metal},

  author       = {Hogan, Tom and Yamani, Z. and Walkup, D. and Chen, Xiang and Dally, Rebecca and Ward, Thomas Zac and Dean, M. P. M. and Hill, John P. and Islam, Z. and Madhavan, Vidya and Wilson, Stephen D.},

  abstractNote = {Herein, the electronic phase diagram of the weak spin-orbit Mott insulator (Sr1-xLax)3Ir2O7 is determined via an exhaustive experimental study. Upon doping electrons via La substitution, an immediate collapse in resistivity occurs along with a narrow regime of nanoscale phase separation comprised of antiferromagnetic, insulating regions and paramagnetic, metallic puddles persisting until x≈0.04. Continued electron doping results in an abrupt, first-order phase boundary where the Néel state is suppressed and a homogenous, correlated, metallic state appears with an enhanced spin susceptibility and local moments. In conclusion, as the metallic state is stabilized, a weak structural distortion develops and suggests a competing instability with the parent spin-orbit Mott state.},

  doi          = {10.1103/PhysRevLett.114.257203},

  journal      = {Physical Review Letters},

  number       = 25,

  volume       = 114,

  place        = {United States},

  year         = {Thu Jun 25 00:00:00 EDT 2015},

  month        = {Thu Jun 25 00:00:00 EDT 2015}

}

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Works referencing / citing this record:

A charge density wave-like instability in a doped spin–orbit-assisted weak Mott insulator
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Chu, H.; Zhao, L.; de la Torre, A.
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Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure
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Title: First-order melting of a weak spin-orbit mott insulator into a correlated metal

Abstract

Citation Formats

Novel J eff = 1 / 2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr 2 IrO 4 journal, August 2008

Antiferromagnetic order and domains in Sr 3 Ir 2 O 7 probed by x-ray resonant scattering journal, May 2012

Resonant X-Ray Scattering and the j eff = 1 / 2 Electronic Ground State in Iridate Perovskites journal, January 2014

Phase-Sensitive Observation of a Spin-Orbital Mott State in Sr2IrO4 journal, March 2009

Correlated Quantum Phenomena in the Strong Spin-Orbit Regime journal, March 2014

Fermi arcs in a doped pseudospin-1/2 Heisenberg antiferromagnet journal, June 2014

Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin–orbit correlated metal journal, April 2015

Anomalous magnetic and transport behavior in the magnetic insulator Sr 3 Ir 2 O 7 journal, December 2002

Single crystal structure determination of double layered strontium iridium oxide [Sr3Ir2O7] journal, June 1994

Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in 5 d Transition Metal Oxides Sr n + 1 Ir n O 3 n + 1 ( n = 1 , 2, and ∞ ) journal, November 2008

Large Spin-Wave Energy Gap in the Bilayer Iridate Sr 3 Ir 2 O 7 : Evidence for Enhanced Dipolar Interactions Near the Mott Metal-Insulator Transition journal, October 2012

Imaging the evolution of metallic states in a correlated iridate journal, May 2013

Tuning the J eff = 1 2 insulating state via electron doping and pressure in the double-layered iridate Sr 3 Ir 2 O 7 journal, June 2013

Coherent Quasiparticles with a Small Fermi Surface in Lightly Doped Sr 3 Ir 2 O 7 journal, December 2014

Dimensionality Driven Spin-Flop Transition in Layered Iridates journal, July 2012

Spin ordering and electronic texture in the bilayer iridate Sr 3 Ir 2 O 7 journal, September 2012

Effects of doping on the lattice parameter of SrTiO 3 journal, June 2012

Carrier localization and electronic phase separation in a doped spin-orbit-driven Mott phase in Sr3(Ir1–xRux)2O7 journal, February 2014

Ground state in Sr 3 Ru 2 O 7 : Fermi liquid close to a ferromagnetic instability journal, September 2000

Canted antiferromagnetic ground state in Sr 3 Ir 2 O 7 journal, March 2007

Phase Separation in Doped Mott Insulators journal, April 2015

First-order Mott transition at zero temperature in two dimensions: Variational plaquette study journal, January 2009

Pressure induced second-order structural transition in Sr 3 Ir 2 O 7 journal, May 2014

A charge density wave-like instability in a doped spin–orbit-assisted weak Mott insulator journal, January 2017

Quasistatic antiferromagnetism in the quantum wells of SmTiO3/SrTiO3 heterostructures journal, February 2018

Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure journal, May 2019

Determination of the local structure of Sr 2−x M x IrO 4 (M = K, La) as a function of doping and temperature journal, January 2018

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Preferential quenching of 5 d antiferromagnetic order in Sr 3 (Ir 1− x Mn x ) 2 O 7 journal, April 2019

Epitaxial growth and antiferromagnetism of Sn-substituted perovskite iridate SrI r 0.8 S n 0.2 O 3 journal, December 2019

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Novel $J_{eff} = 1 / 2$ Mott State Induced by Relativistic Spin-Orbit Coupling in ${Sr}_{2} {IrO}_{4}$
journal, August 2008

Antiferromagnetic order and domains in Sr $_{3}$ Ir $_{2}$ O $_{7}$ probed by x-ray resonant scattering
journal, May 2012

Resonant X-Ray Scattering and the $j_{eff} = 1 / 2$ Electronic Ground State in Iridate Perovskites
journal, January 2014

Phase-Sensitive Observation of a Spin-Orbital Mott State in Sr2IrO4
journal, March 2009

Correlated Quantum Phenomena in the Strong Spin-Orbit Regime
journal, March 2014

Fermi arcs in a doped pseudospin-1/2 Heisenberg antiferromagnet
journal, June 2014

Spectroscopic evidence for negative electronic compressibility in a quasi-three-dimensional spin–orbit correlated metal
journal, April 2015

Anomalous magnetic and transport behavior in the magnetic insulator ${Sr}_{3} {Ir}_{2} O_{7}$
journal, December 2002

Single crystal structure determination of double layered strontium iridium oxide [Sr3Ir2O7]
journal, June 1994

Dimensionality-Controlled Insulator-Metal Transition and Correlated Metallic State in $5 d$ Transition Metal Oxides ${Sr}_{n + 1} {Ir}_{n} O_{3 n + 1}$ ( $n = 1$ , 2, and $\infty$ )
journal, November 2008

Large Spin-Wave Energy Gap in the Bilayer Iridate ${Sr}_{3} {Ir}_{2} O_{7}$ : Evidence for Enhanced Dipolar Interactions Near the Mott Metal-Insulator Transition
journal, October 2012

Imaging the evolution of metallic states in a correlated iridate
journal, May 2013

Tuning the $J_{eff} = \frac{1}{2}$ insulating state via electron doping and pressure in the double-layered iridate Sr $_{3}$ Ir $_{2}$ O $_{7}$
journal, June 2013

Coherent Quasiparticles with a Small Fermi Surface in Lightly Doped ${Sr}_{3} {Ir}_{2} O_{7}$
journal, December 2014

Dimensionality Driven Spin-Flop Transition in Layered Iridates
journal, July 2012

Spin ordering and electronic texture in the bilayer iridate Sr $_{3}$ Ir $_{2}$ O $_{7}$
journal, September 2012

Effects of doping on the lattice parameter of SrTiO ₃
journal, June 2012

Carrier localization and electronic phase separation in a doped spin-orbit-driven Mott phase in Sr3(Ir1–xRux)2O7
journal, February 2014

Ground state in ${Sr}_{3} {Ru}_{2} O_{7} :$ Fermi liquid close to a ferromagnetic instability
journal, September 2000

Canted antiferromagnetic ground state in Sr ₃ Ir ₂ O ₇
journal, March 2007

Phase Separation in Doped Mott Insulators
journal, April 2015

First-order Mott transition at zero temperature in two dimensions: Variational plaquette study
journal, January 2009

Pressure induced second-order structural transition in Sr ₃ Ir ₂ O ₇
journal, May 2014

A charge density wave-like instability in a doped spin–orbit-assisted weak Mott insulator
journal, January 2017

Quasistatic antiferromagnetism in the quantum wells of SmTiO3/SrTiO3 heterostructures
journal, February 2018

Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure
journal, May 2019

Determination of the local structure of Sr _2−x M _x IrO ₄ (M = K, La) as a function of doping and temperature
journal, January 2018

Critical fluctuations in the spin–orbit Mott insulator Sr ₃ Ir ₂ O ₇
journal, March 2019

Preferential quenching of 5 d antiferromagnetic order in Sr ₃ (Ir _{1− x} Mn _x ) ₂ O ₇
journal, April 2019

Epitaxial growth and antiferromagnetism of Sn-substituted perovskite iridate $SrI r_{0.8} S n_{0.2} O_{3}$
journal, December 2019

A charge density wave-like instability in a doped spin-orbit-assisted weak Mott insulator
text, January 2017