Plaquette instability competing with bicollinear ground state in detwinned FeTe

Tam, David W.; Lai, Hsin-Hua; Hu, Jin; Lu, Xingye; Walker, H. C.; Abernathy, D. L.; Niedziela, J. L.; Weber, Tobias; Enderle, M.; Su, Yixi; Mao, Z. Q.; Si, Qimiao; Dai, Pengcheng

doi:10.1103/physrevb.100.054405

Title: Plaquette instability competing with bicollinear ground state in detwinned FeTe

Abstract

Here, we use inelastic neutron scattering to show that long-range spin waves arising from the static bicollinear antiferromagnetic (AF) order in FeTe, which have twofold rotational symmetry in a fully detwinned crystal, rapidly dissolve above E ≈ 26 meV into ridges of scattering with fourfold rotational symmetry and a nearly isotropic magnetic fluctuation spectrum. With increasing temperature above $$T_N$$ ≈ 68 K, the twofold spin waves change into broad regions of scattering with fourfold symmetry. Since the scattering patterns from plaquette magnetic order generated within a bilinear biquadratic Hamiltonian have fourfold rotational symmetry consistent with the high-energy, spinisotropic spin waves of FeTe, we conclude that the bicollinear AF state in FeTe is quasidegenerate with plaquette magnetic order, providing evidence for the strongly frustrated nature of the local moments in iron chalcogenide family of iron-based superconductors.

Authors:

Tam, David W. ^[1]; Lai, Hsin-Hua ^[1]; Hu, Jin ^[2]; Lu, Xingye ^[3]; Walker, H. C. ^[4]; Abernathy, D. L. ^[5]; Niedziela, J. L. ^[5]; Weber, Tobias ^[6]; Enderle, M. ^[6]; Su, Yixi ^[7]; Mao, Z. Q. ^[8]; Si, Qimiao ^[1];

^[9]

Rice Univ., Houston, TX (United States)
Univ. of Arkansas, Fayetteville, AR (United States)
Beijing Normal University (China)
Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab. (RAL)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Inst. Laue-Langevin (ILL), Grenoble (France)
Forschungszentrum Juelich (Germany)
Pennsylvania State Univ., University Park, PA (United States)
Rice Univ., Houston, TX (United States); Beijing Normal University (China)

Publication Date:: Mon Aug 05 00:00:00 EDT 2019

Research Org.:: Pennsylvania State Univ., University Park, PA (United States)

Sponsoring Org.:: Robert A. Welch Foundation; Fundamental Research Funds for the Central Universities; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division

OSTI Identifier:: 1868536

Alternate Identifier(s):: OSTI ID: 1547985

Grant/Contract Number:: SC0019068; SC0012311; C-1839; 310432101; SC0018197; C-1411

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. B

Additional Journal Information:: Journal Volume: 100; Journal Issue: 5; Journal ID: ISSN 2469-9950

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


                    Tam, David W., Lai, Hsin-Hua, Hu, Jin, Lu, Xingye, Walker, H. C., Abernathy, D. L., Niedziela, J. L., Weber, Tobias, Enderle, M., Su, Yixi, Mao, Z. Q., Si, Qimiao, and Dai, Pengcheng. Plaquette instability competing with bicollinear ground state in detwinned FeTe.  United States: N. p., 2019. 
Web.  doi:10.1103/physrevb.100.054405.

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                    Tam, David W., Lai, Hsin-Hua, Hu, Jin, Lu, Xingye, Walker, H. C., Abernathy, D. L., Niedziela, J. L., Weber, Tobias, Enderle, M., Su, Yixi, Mao, Z. Q., Si, Qimiao, & Dai, Pengcheng. Plaquette instability competing with bicollinear ground state in detwinned FeTe.  United States.  https://doi.org/10.1103/physrevb.100.054405

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                    Tam, David W., Lai, Hsin-Hua, Hu, Jin, Lu, Xingye, Walker, H. C., Abernathy, D. L., Niedziela, J. L., Weber, Tobias, Enderle, M., Su, Yixi, Mao, Z. Q., Si, Qimiao, and Dai, Pengcheng. Mon .  
"Plaquette instability competing with bicollinear ground state in detwinned FeTe".  United States.  https://doi.org/10.1103/physrevb.100.054405.  https://www.osti.gov/servlets/purl/1868536.

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@article{osti_1868536,

  title        = {Plaquette instability competing with bicollinear ground state in detwinned FeTe},

  author       = {Tam, David W. and Lai, Hsin-Hua and Hu, Jin and Lu, Xingye and Walker, H. C. and Abernathy, D. L. and Niedziela, J. L. and Weber, Tobias and Enderle, M. and Su, Yixi and Mao, Z. Q. and Si, Qimiao and Dai, Pengcheng},

  abstractNote = {Here, we use inelastic neutron scattering to show that long-range spin waves arising from the static bicollinear antiferromagnetic (AF) order in FeTe, which have twofold rotational symmetry in a fully detwinned crystal, rapidly dissolve above E ≈ 26 meV into ridges of scattering with fourfold rotational symmetry and a nearly isotropic magnetic fluctuation spectrum. With increasing temperature above $T_N$ ≈ 68 K, the twofold spin waves change into broad regions of scattering with fourfold symmetry. Since the scattering patterns from plaquette magnetic order generated within a bilinear biquadratic Hamiltonian have fourfold rotational symmetry consistent with the high-energy, spinisotropic spin waves of FeTe, we conclude that the bicollinear AF state in FeTe is quasidegenerate with plaquette magnetic order, providing evidence for the strongly frustrated nature of the local moments in iron chalcogenide family of iron-based superconductors.},

  doi          = {10.1103/physrevb.100.054405},

  journal      = {Physical Review. B},

  number       = 5,

  volume       = 100,

  place        = {United States},

  year         = {Mon Aug 05 00:00:00 EDT 2019},

  month        = {Mon Aug 05 00:00:00 EDT 2019}

}

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Title: Plaquette instability competing with bicollinear ground state in detwinned FeTe

Abstract

Citation Formats

Bicollinear Antiferromagnetic Order, Monoclinic Distortion, and Reversed Resistivity Anisotropy in FeTe as a Result of Spin-Lattice Coupling journal, September 2016

Effect of uniaxial strain on the structural and magnetic phase transitions in BaFe$_2$As$_2$ text, January 2011

Neutron-Diffraction Measurements of Magnetic Order and a Structural Transition in the Parent BaFe 2 As 2 Compound of FeAs-Based High-Temperature Superconductors journal, December 2008

Itinerant Magnetic Excitations in Antiferromagnetic CaFe 2 As 2 journal, May 2009

Competing spin density wave, collinear, and helical magnetism in Fe 1 + x Te journal, April 2017

Nematic spin correlations in the tetragonal state of uniaxial-strained BaFe2-xNixAs2 journal, July 2014

Incoherent-coherent crossover and the pseudogap in Te-annealed superconducting Fe 1 + y Te 1 − x Se x revealed by magnetotransport measurements journal, May 2019

Spin waves and magnetic exchange interactions in CaFe2As2 journal, July 2009

Coexistence of superconductivity and short-range double-stripe spin correlations in Te-vapor annealed FeTe 1 − x Se x ( x ≤ 0.2 ) journal, June 2018

Effect of magnetic frustration on nematicity and superconductivity in iron chalcogenides journal, August 2015

Evolution of spin excitations into the superconducting state in FeTe1-xSex text, January 2009

Competition between commensurate and incommensurate magnetic ordering in Fe(1+y)Te text, January 2011

Effect of Uniaxial Strain on the Structural and Magnetic Phase Transitions in BaFe 2 As 2 journal, February 2012

Antiferroquadrupolar and Ising-Nematic Orders of a Frustrated Bilinear-Biquadratic Heisenberg Model and Implications for the Magnetism of FeSe text, January 2015

Coexistence of superconductivity and short-range double-stripe spin correlations in Te-vapor annealed FeTe$_{1-x}$Se$_{x}$ with $x\le0.2$ text, January 2018

Anisotropic spin fluctuations in detwinned FeSe journal, May 2019

Spin Waves in the ( π , 0 ) Magnetically Ordered Iron Chalcogenide Fe 1.05 Te journal, February 2011

Spin excitations and the Fermi surface of superconducting FeS journal, March 2017

Spin liquid polymorphism in a correlated electron system on the threshold of superconductivity text, January 2015

High Temperature Superconductivity in Iron Pnictides and Chalcogenides text, January 2016

Magnetic ground state of FeSe journal, July 2016

Role of chalcogen vapor annealing in inducing bulk superconductivity in Fe 1 + y Te 1 − x Se x journal, February 2015

Friedel-Like Oscillations from Interstitial Iron in Superconducting Fe 1 + y Te 0.62 Se 0.38 journal, March 2012

Incoherent-coherent crossover and the pseudogap in Te-annealed superconducting Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ revealed by magnetotransport measurements text, January 2019

Tunable ( δ π , δ π )-Type Antiferromagnetic Order in α -Fe(Te,Se) Superconductors journal, June 2009

Character of the structural and magnetic phase transitions in the parent and electron-doped BaFe 2 As 2 compounds journal, April 2011

Spin-liquid polymorphism in a correlated electron system on the threshold of superconductivity journal, August 2015

Robustness of superconductivity to competing magnetic phases in tetragonal FeS text, January 2016

Itinerant spin excitations in SrFe 2 As 2 measured by inelastic neutron scattering journal, June 2011

Continuous magnetic and structural phase transitions in Fe 1 + y Te journal, February 2012

Magnetic-crystallographic phase diagram of the superconducting parent compound Fe 1 + x Te journal, August 2011

Superconductivity in the PbO-type structure -FeSe journal, September 2008

Magnetic ground state of FeSe text, January 2015

Competition between commensurate and incommensurate magnetic ordering in Fe 1 + y Te journal, April 2012

Competing spin density wave, collinear, and helical magnetism in Fe1+xTe text, January 2017

Evolution of spin excitations into the superconducting state in FeTe1−xSex journal, January 2010

Antiferromagnetic order and spin dynamics in iron-based superconductors text, January 2015

Nematicity and quantum paramagnetism in FeSe journal, September 2015

Coexistence of low-moment magnetism and superconductivity in tetragonal FeS and suppression of T c under pressure journal, April 2016

Bicollinear Antiferromagnetic Order, Monoclinic Distortion, and Reversed Resistivity Anisotropy in FeTe as a Result of Spin-Lattice Coupling text, January 2016

Coexistence of low moment magnetism and superconductivity in tetragonal FeS and suppression of $T_\mathrm{c}$ under pressure text, January 2016

Anisotropic spin fluctuations in detwinned FeSe text, January 2019

Robustness of superconductivity to competing magnetic phases in tetragonal FeS journal, October 2016

Spin Waves in Detwinned BaFe 2 As 2 journal, August 2018

Antiferroquadrupolar and Ising-Nematic Orders of a Frustrated Bilinear-Biquadratic Heisenberg Model and Implications for the Magnetism of FeSe journal, September 2015

Uniaxial pressure effect in FeTe dataset, January 2016

Anisotropic neutron spin resonance in underdoped superconducting NaFe 1 − x Co x As journal, October 2014

Spin Waves and Magnetic Exchange Interactions in CaFe2As2 text, January 2009

Effects of Pnictogen Atmosphere Annealing on Fe 1+ y Te 0.6 Se 0.4 journal, February 2016

Soft striped magnetic fluctuations competing with superconductivity in Fe 1 + x Te journal, September 2014

High-temperature superconductivity in iron pnictides and chalcogenides journal, March 2016

Nematic spin fluid in the tetragonal phase of BaFe 2 As 2 journal, August 2011

First-order magnetic and structural phase transitions in Fe 1 + y Se x Te 1 − x journal, February 2009

Spin-isotropic continuum of spin excitations in antiferromagnetically ordered Fe 1.07 Te journal, January 2018

Superconductivity in Iron Compounds text, January 2011

A common thread: The pairing interaction for unconventional superconductors journal, October 2012

Unconventional Temperature Enhanced Magnetism in Fe 1.1 Te journal, November 2011

Observation of Superconductivity in Tetragonal FeS journal, August 2015

Character of the structural and magnetic phase transitions in the parent and electron doped BaFe2As2 compounds text, January 2011

Bicollinear Antiferromagnetic Order, Monoclinic Distortion, and Reversed Resistivity Anisotropy in FeTe as a Result of Spin-Lattice Coupling
journal, September 2016

Effect of uniaxial strain on the structural and magnetic phase transitions in BaFe$_2$As$_2$
text, January 2011

Neutron-Diffraction Measurements of Magnetic Order and a Structural Transition in the Parent ${BaFe}_{2} {As}_{2}$ Compound of FeAs-Based High-Temperature Superconductors
journal, December 2008

Itinerant Magnetic Excitations in Antiferromagnetic ${CaFe}_{2} {As}_{2}$
journal, May 2009

Competing spin density wave, collinear, and helical magnetism in ${Fe}_{1 + x} Te$
journal, April 2017

Nematic spin correlations in the tetragonal state of uniaxial-strained BaFe2-xNixAs2
journal, July 2014

Incoherent-coherent crossover and the pseudogap in Te-annealed superconducting ${Fe}_{1 + y} {Te}_{1 - x} {Se}_{x}$ revealed by magnetotransport measurements
journal, May 2019

Spin waves and magnetic exchange interactions in CaFe2As2
journal, July 2009

Coexistence of superconductivity and short-range double-stripe spin correlations in Te-vapor annealed ${FeTe}_{1 - x} {Se}_{x}$ ( $x \leq 0.2$ )
journal, June 2018

Effect of magnetic frustration on nematicity and superconductivity in iron chalcogenides
journal, August 2015

Evolution of spin excitations into the superconducting state in FeTe1-xSex
text, January 2009

Competition between commensurate and incommensurate magnetic ordering in Fe(1+y)Te
text, January 2011

Effect of Uniaxial Strain on the Structural and Magnetic Phase Transitions in ${BaFe}_{2} {As}_{2}$
journal, February 2012

Antiferroquadrupolar and Ising-Nematic Orders of a Frustrated Bilinear-Biquadratic Heisenberg Model and Implications for the Magnetism of FeSe
text, January 2015

Coexistence of superconductivity and short-range double-stripe spin correlations in Te-vapor annealed FeTe$_{1-x}$Se$_{x}$ with $x\le0.2$
text, January 2018

Anisotropic spin fluctuations in detwinned FeSe
journal, May 2019

Spin Waves in the $(π, 0)$ Magnetically Ordered Iron Chalcogenide ${Fe}_{1.05} Te$
journal, February 2011

Spin excitations and the Fermi surface of superconducting FeS
journal, March 2017

Spin liquid polymorphism in a correlated electron system on the threshold of superconductivity
text, January 2015

High Temperature Superconductivity in Iron Pnictides and Chalcogenides
text, January 2016

Magnetic ground state of FeSe
journal, July 2016

Role of chalcogen vapor annealing in inducing bulk superconductivity in ${Fe}_{1 + y} {Te}_{1 - x} {Se}_{x}$
journal, February 2015

Friedel-Like Oscillations from Interstitial Iron in Superconducting ${Fe}_{1 + y} {Te}_{0.62} {Se}_{0.38}$
journal, March 2012

Incoherent-coherent crossover and the pseudogap in Te-annealed superconducting Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ revealed by magnetotransport measurements
text, January 2019

Tunable ( $δ π$ , $δ π$ )-Type Antiferromagnetic Order in $α$ -Fe(Te,Se) Superconductors
journal, June 2009

Character of the structural and magnetic phase transitions in the parent and electron-doped BaFe $_{2}$ As $_{2}$ compounds
journal, April 2011

Spin-liquid polymorphism in a correlated electron system on the threshold of superconductivity
journal, August 2015

Robustness of superconductivity to competing magnetic phases in tetragonal FeS
text, January 2016

Itinerant spin excitations in SrFe $_{2}$ As $_{2}$ measured by inelastic neutron scattering
journal, June 2011

Continuous magnetic and structural phase transitions in Fe $_{1 + y}$ Te
journal, February 2012

Magnetic-crystallographic phase diagram of the superconducting parent compound Fe $_{1 + x}$ Te
journal, August 2011

Superconductivity in the PbO-type structure -FeSe
journal, September 2008

Magnetic ground state of FeSe
text, January 2015

Competition between commensurate and incommensurate magnetic ordering in Fe $_{1 + y}$ Te
journal, April 2012

Competing spin density wave, collinear, and helical magnetism in Fe1+xTe
text, January 2017

Evolution of spin excitations into the superconducting state in FeTe1−xSex
journal, January 2010

Antiferromagnetic order and spin dynamics in iron-based superconductors
text, January 2015

Nematicity and quantum paramagnetism in FeSe
journal, September 2015

Coexistence of low-moment magnetism and superconductivity in tetragonal FeS and suppression of $T_{c}$ under pressure
journal, April 2016

Bicollinear Antiferromagnetic Order, Monoclinic Distortion, and Reversed Resistivity Anisotropy in FeTe as a Result of Spin-Lattice Coupling
text, January 2016

Coexistence of low moment magnetism and superconductivity in tetragonal FeS and suppression of $T_\mathrm{c}$ under pressure
text, January 2016

Anisotropic spin fluctuations in detwinned FeSe
text, January 2019

Robustness of superconductivity to competing magnetic phases in tetragonal FeS
journal, October 2016

Spin Waves in Detwinned ${BaFe}_{2} {As}_{2}$
journal, August 2018

Antiferroquadrupolar and Ising-Nematic Orders of a Frustrated Bilinear-Biquadratic Heisenberg Model and Implications for the Magnetism of FeSe
journal, September 2015

Uniaxial pressure effect in FeTe
dataset, January 2016

Anisotropic neutron spin resonance in underdoped superconducting ${NaFe}_{1 - x} {Co}_{x} As$
journal, October 2014

Spin Waves and Magnetic Exchange Interactions in CaFe2As2
text, January 2009

Effects of Pnictogen Atmosphere Annealing on Fe ₁₊ _y Te _0.6 Se _0.4
journal, February 2016

Soft striped magnetic fluctuations competing with superconductivity in ${Fe}_{1 + x} Te$
journal, September 2014

High-temperature superconductivity in iron pnictides and chalcogenides
journal, March 2016

Nematic spin fluid in the tetragonal phase of BaFe $_{2}$ As $_{2}$
journal, August 2011

First-order magnetic and structural phase transitions in ${Fe}_{1 + y} {Se}_{x} {Te}_{1 - x}$
journal, February 2009

Spin-isotropic continuum of spin excitations in antiferromagnetically ordered ${Fe}_{1.07} Te$
journal, January 2018

Superconductivity in Iron Compounds
text, January 2011

A common thread: The pairing interaction for unconventional superconductors
journal, October 2012

Unconventional Temperature Enhanced Magnetism in ${Fe}_{1.1} Te$
journal, November 2011

Observation of Superconductivity in Tetragonal FeS
journal, August 2015

Character of the structural and magnetic phase transitions in the parent and electron doped BaFe2As2 compounds
text, January 2011