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Title: Magnetic properties of Sr 3 NiIrO 6 and Sr 3 CoIrO 6 : Magnetic hysteresis with coercive fields of up to 55 T

Journal Article · · Physical Review B
 [1];  [2];  [3];  [2];  [4];  [2];  [2];  [5];  [6];  [7];  [8];  [7];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Oxford, Oxford (United Kingdom)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Oxford, Oxford (United Kingdom); Univ. of Edinburgh, Edinburgh (United Kingdom)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Simon Fraser Univ., Burnaby, BC (Canada)
  5. Univ. of Oxford, Oxford (United Kingdom)
  6. Univ. of Warwick, Coventry (United Kingdom)
  7. Rutgers Univ., Piscataway, NJ (United States); Pohang Univ. of Science and Technology, Gyungbuk (Republic of Korea)
  8. Rutgers Univ., Piscataway, NJ (United States)

Here, we report extraordinarily large magnetic hysteresis loops in the iridates Sr3NiIrO5 and Sr3CoIrO6. We find coercive magnetic fields of up to 55 T with switched magnetic moments ≈1μB per formula unit in Sr3NiIrO6 and coercive fields of up to 52 T with switched moments ≈3μB per formula unit in Sr3CoIrO6. We propose that the magnetic hysteresis involves the field-induced evolution of quasi-one-dimensional chains in a frustrated triangular configuration. In conclusion, the striking magnetic behavior is likely to be linked to the unusual spin-orbit-entangled local state of the Ir4+ ion and its potential for anisotropic exchange interactions.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1417167
Alternate ID(s):
OSTI ID: 1334853
Report Number(s):
LA-UR-17-28059; PRBMDO; TRN: US1800998
Journal Information:
Physical Review B, Vol. 94, Issue 22; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (7)

Spin–lattice and electron–phonon coupling in 3d/5d hybrid Sr3NiIrO6 journal August 2019
Interplay between single-ion magnetism, single-chain magnetism and long-range ordering in the spin chain oxides Sr 4−x Ca x Mn 2 CoO 9 journal January 2018
The challenge of spin–orbit-tuned ground states in iridates: a key issues review journal February 2018
Partially-disordered to frozen-state crossover induced magnetocaloric properties of the antiferromagnetic one-dimensional spin-chain Sr 3 CoIrO 6 journal February 2019
Field-cooling induced giant vertical magnetization shift in frustrated low dimensional spin-chain Sr 3 NiIrO 6 system journal August 2019
Fermi surface, possible unconventional fermions, and unusually robust resistive critical fields in the chiral-structured superconductor AuBe text January 2018
Spin-lattice and electron-phonon coupling in 3$d$/5$d$ hybrid Sr$_3$NiIrO$_6$ text January 2019