Manganese-induced magnetic symmetry breaking and its correlation with the metal-insulator transition in bilayered
Journal Article
·
· Physical Review B
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Louisiana State Univ., Baton Rouge, LA (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Louisiana State Univ., Baton Rouge, LA (United States)
Bilayered Sr3Ru2O7 is an unusual metamagnetic metal with inherently antiferromagnetic (AFM) and ferromagnetic (FM) fluctuations. Partial substitution of Ru by Mn results in the establishment of a metal-insulator transition (MIT) at TMIT and AFM ordering at TM in Sr3(Ru1-xMnx)2O7. Using elastic neutron scattering, we investigated the effect of Mn doping on the magnetic structure, in-plane magnetic correlation lengths and their correlation to the MIT in Sr3(Ru1-xMnx)2O7 (x=0.06 and 0.12). With the increase of Mn doping (x) from 0.06 to 0.12 or the decrease of temperatures for x=0.12, an evolution from an in-plane short-range to long-range antiferromagnetic (AFM) ground state occurs. For both compounds, the magnetic ordering has a double-stripe configuration, and the onset of magnetic correlation with an anisotropic behavior coincides with the sharp rise in electrical resistivity and specific heat. Since it does not induce a measurable lattice distortion, the double-stripe antiferromagnetic order with anisotropic spin texture breaks symmetry from a C4v crystal lattice to a C2v magnetic sublattice. These observations shed light on an age-old question regarding the Slater versus Mott-type MIT.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC05-00OR22725; SC0012432
- OSTI ID:
- 1427668
- Alternate ID(s):
- OSTI ID: 1363712
OSTI ID: 1468143
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 22 Vol. 95; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Tipping the magnetic instability in paramagnetic by Fe impurities [Tipping the magnetic instability in paramagnetic by modest Fe substitution]
Structure-property relationship in layered and
Journal Article
·
Thu May 18 20:00:00 EDT 2017
· Physical Review B
·
OSTI ID:1363902
Structure-property relationship in layered and
Journal Article
·
Mon May 13 20:00:00 EDT 2019
· Physical Review B
·
OSTI ID:1515656