Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study

Ryan, Dominic H.; Kuthanazhi, Brinda; Jo, Na Hyan; Canfield, Paul C.

doi:10.1063/9.0000621

Title: Complex magnetic ordering in EuAl₄–A ¹⁵¹Eu Mössbauer study

Abstract

¹⁵¹Eu Mössbauer spectroscopy has been used to investigate the behaviour of EuAl₄ through the four magnetic transitions that occur below 16 K. We find clear evidence for the first transition (T_N1, the onset of order) where an incommensurate modulated magnetic structure appears, and the third (T_N3) where the modulation disappears at the tetragonal → orthorhombic structural transition. We see no changes at the lowest transition (T_N4) but find that the modulation amplitude passes through a maximum at T_N2. Data on the isostructural but magnetically simpler EuGa₄ are also presented for comparison.

Authors:

^[1];

^[2];

^[3];

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McGill Univ., Montreal, QC (Canada)
Ames Lab., and Iowa State Univ., Ames, IA (United States)
Ames Lab., and Iowa State Univ., Ames, IA (United States); Univ. of Michigan, Ann Arbor, MI (United States)

Publication Date:: Tue Jan 23 00:00:00 EST 2024

Research Org.:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

OSTI Identifier:: 2283157

Report Number(s):: IS-J-11250
Journal ID: ISSN 2158-3226

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Accepted Manuscript

Journal Name:: AIP Advances

Additional Journal Information:: Journal Volume: 14; Journal Issue: 1; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; magnetic ordering; crystal structure; Mossbauer spectroscopy; isomeric shift; Fourier analysis; hyperfine structure

Citation Formats


                    Ryan, Dominic H., Kuthanazhi, Brinda, Jo, Na Hyan, and Canfield, Paul C. Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study.  United States: N. p., 2024. 
Web.  doi:10.1063/9.0000621.

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                    Ryan, Dominic H., Kuthanazhi, Brinda, Jo, Na Hyan, & Canfield, Paul C. Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study.  United States.  https://doi.org/10.1063/9.0000621

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                    Ryan, Dominic H., Kuthanazhi, Brinda, Jo, Na Hyan, and Canfield, Paul C. Tue .  
"Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study".  United States.  https://doi.org/10.1063/9.0000621.  https://www.osti.gov/servlets/purl/2283157.

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@article{osti_2283157,

  title        = {Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study},

  author       = {Ryan, Dominic H. and Kuthanazhi, Brinda and Jo, Na Hyan and Canfield, Paul C.},

  abstractNote = {151Eu Mössbauer spectroscopy has been used to investigate the behaviour of EuAl4 through the four magnetic transitions that occur below 16 K. We find clear evidence for the first transition (TN1, the onset of order) where an incommensurate modulated magnetic structure appears, and the third (TN3) where the modulation disappears at the tetragonal → orthorhombic structural transition. We see no changes at the lowest transition (TN4) but find that the modulation amplitude passes through a maximum at TN2. Data on the isostructural but magnetically simpler EuGa4 are also presented for comparison.},

  doi          = {10.1063/9.0000621},

  journal      = {AIP Advances},

  number       = 1,

  volume       = 14,

  place        = {United States},

  year         = {Tue Jan 23 00:00:00 EST 2024},

  month        = {Tue Jan 23 00:00:00 EST 2024}

}

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Works referenced in this record:

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Ryan, D. H.; Legros, Anaëlle; Niehaus, Oliver
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Magnetic Structure of Divalent Europium Compound EuGa ₄ Studied by Single-Crystal Time-of-Flight Neutron Diffraction
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Kawasaki, Takuro; Kaneko, Koji; Nakamura, Ai
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Charge-Density-Wave Order and Multiple Magnetic Transitions in Divalent Europium Compound EuAl ₄
journal, June 2021

Kaneko, Koji; Kawasaki, Takuro; Nakamura, Ai
Journal of the Physical Society of Japan, Vol. 90, Issue 6
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