Microscopic coexistence of superconductivity and magnetism in Ba(1-x)K(x)Fe2As2
(2011) In Physical Review Letters 107(23). p.237001-237001- Abstract
It is widely believed that, in contrast to its electron-doped counterparts, the hole-doped compound Ba(1-x)K(x)Fe(2)As(2) exhibits a mesoscopic phase separation of magnetism and superconductivity in the underdoped region of the phase diagram. Here, we report a combined high-resolution x-ray powder diffraction and volume-sensitive muon spin rotation study of Ba(1-x)K(x)Fe(2)As(2) showing that this paradigm does not hold true in the underdoped region of the phase diagram (0≤x≤0.25). Instead we find a microscopic coexistence of the two forms of order. A competition of magnetism and superconductivity is evident from a significant reduction of the magnetic moment and a concomitant decrease of the magnetoelastically coupled orthorhombic... (More)
It is widely believed that, in contrast to its electron-doped counterparts, the hole-doped compound Ba(1-x)K(x)Fe(2)As(2) exhibits a mesoscopic phase separation of magnetism and superconductivity in the underdoped region of the phase diagram. Here, we report a combined high-resolution x-ray powder diffraction and volume-sensitive muon spin rotation study of Ba(1-x)K(x)Fe(2)As(2) showing that this paradigm does not hold true in the underdoped region of the phase diagram (0≤x≤0.25). Instead we find a microscopic coexistence of the two forms of order. A competition of magnetism and superconductivity is evident from a significant reduction of the magnetic moment and a concomitant decrease of the magnetoelastically coupled orthorhombic lattice distortion below the superconducting phase transition.
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- author
- Wiesenmayer, Erwin ; Luetkens, Hubertus ; Pascua, Gwendolyne ; Khasanov, Rustem ; Amato, Alex ; Potts, Heidi LU ; Banusch, Benjamin ; Klauss, Hans-Henning and Johrendt, Dirk
- publishing date
- 2011
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Physical Review Letters
- volume
- 107
- issue
- 23
- pages
- 237001 - 237001
- publisher
- American Physical Society
- external identifiers
-
- pmid:22182119
- scopus:82455174911
- ISSN
- 1079-7114
- DOI
- 10.1103/PhysRevLett.107.237001
- language
- English
- LU publication?
- no
- additional info
- © 2011 American Physical Society
- id
- 4362e4be-1cf8-4442-b122-0489a605e6ff
- date added to LUP
- 2019-05-15 09:54:30
- date last changed
- 2024-01-01 04:44:21
@article{4362e4be-1cf8-4442-b122-0489a605e6ff,
abstract = {{<p>It is widely believed that, in contrast to its electron-doped counterparts, the hole-doped compound Ba(1-x)K(x)Fe(2)As(2) exhibits a mesoscopic phase separation of magnetism and superconductivity in the underdoped region of the phase diagram. Here, we report a combined high-resolution x-ray powder diffraction and volume-sensitive muon spin rotation study of Ba(1-x)K(x)Fe(2)As(2) showing that this paradigm does not hold true in the underdoped region of the phase diagram (0≤x≤0.25). Instead we find a microscopic coexistence of the two forms of order. A competition of magnetism and superconductivity is evident from a significant reduction of the magnetic moment and a concomitant decrease of the magnetoelastically coupled orthorhombic lattice distortion below the superconducting phase transition.</p>}},
author = {{Wiesenmayer, Erwin and Luetkens, Hubertus and Pascua, Gwendolyne and Khasanov, Rustem and Amato, Alex and Potts, Heidi and Banusch, Benjamin and Klauss, Hans-Henning and Johrendt, Dirk}},
issn = {{1079-7114}},
language = {{eng}},
number = {{23}},
pages = {{237001--237001}},
publisher = {{American Physical Society}},
series = {{Physical Review Letters}},
title = {{Microscopic coexistence of superconductivity and magnetism in Ba(1-x)K(x)Fe2As2}},
url = {{http://dx.doi.org/10.1103/PhysRevLett.107.237001}},
doi = {{10.1103/PhysRevLett.107.237001}},
volume = {{107}},
year = {{2011}},
}