75As NMR Studies of Magnetic Properties of the Magnetic Superconductor CaK(Fe0.967Ni0.033)4As4
Abstract
We have carried out 75As nuclear magnetic resonance (NMR) measurements to investigate a new antiferromagnetic (AFM) state, the so-called hedgehog spin-vortex crystal (SVC) in CaK(Fe0.967Ni0.033)4As4. Here, the hedgehog SVC order is clearly demonstrated by the direct observation of internal magnetic induction along the c axis at the As1 site (close to K) and a zero net internal magnetic induction at the As2 site (close to Ca) below an AFM ordering temperature of TN~ 45 K. In the superconducting (SC) state, the NMR signal intensity decreases suddenly just below Tc~ 20 K due to Meissner effect, evidencing the coexistence of the hedgehog SVC AFM and SC states from a microscopic point of view.
- Authors:
-
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States); Karlsruhe Institute of Technology, Karlsruhe (Germany)
- Publication Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1560623
- Report Number(s):
- IS-J-10015
Journal ID: ISSN 1662-9779; SSP; TRN: US2000522
- Grant/Contract Number:
- AC02-07CH11358
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Solid State Phenomena (Online)
- Additional Journal Information:
- Journal Name: Solid State Phenomena (Online); Journal Volume: 289; Journal ID: ISSN 1662-9779
- Publisher:
- Trans Tech Publications
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Antiferromagnetic State; Iron Based Superconductor; Nuclear Magnetic Resonance; Spin-Vortex Crystal
Citation Formats
Ding, Qing Ping, Meier, William R., Böhmer, Anna E., Budk'o, Sergey L., Canfield, Paul C., and Furukawa, Yuji. 75As NMR Studies of Magnetic Properties of the Magnetic Superconductor CaK(Fe0.967Ni0.033)4As4. United States: N. p., 2019.
Web. doi:10.4028/www.scientific.net/SSP.289.148.
Ding, Qing Ping, Meier, William R., Böhmer, Anna E., Budk'o, Sergey L., Canfield, Paul C., & Furukawa, Yuji. 75As NMR Studies of Magnetic Properties of the Magnetic Superconductor CaK(Fe0.967Ni0.033)4As4. United States. https://doi.org/10.4028/www.scientific.net/SSP.289.148
Ding, Qing Ping, Meier, William R., Böhmer, Anna E., Budk'o, Sergey L., Canfield, Paul C., and Furukawa, Yuji. Mon .
"75As NMR Studies of Magnetic Properties of the Magnetic Superconductor CaK(Fe0.967Ni0.033)4As4". United States. https://doi.org/10.4028/www.scientific.net/SSP.289.148. https://www.osti.gov/servlets/purl/1560623.
@article{osti_1560623,
title = {75As NMR Studies of Magnetic Properties of the Magnetic Superconductor CaK(Fe0.967Ni0.033)4As4},
author = {Ding, Qing Ping and Meier, William R. and Böhmer, Anna E. and Budk'o, Sergey L. and Canfield, Paul C. and Furukawa, Yuji},
abstractNote = {We have carried out 75As nuclear magnetic resonance (NMR) measurements to investigate a new antiferromagnetic (AFM) state, the so-called hedgehog spin-vortex crystal (SVC) in CaK(Fe0.967Ni0.033)4As4. Here, the hedgehog SVC order is clearly demonstrated by the direct observation of internal magnetic induction along the c axis at the As1 site (close to K) and a zero net internal magnetic induction at the As2 site (close to Ca) below an AFM ordering temperature of TN~ 45 K. In the superconducting (SC) state, the NMR signal intensity decreases suddenly just below Tc~ 20 K due to Meissner effect, evidencing the coexistence of the hedgehog SVC AFM and SC states from a microscopic point of view.},
doi = {10.4028/www.scientific.net/SSP.289.148},
journal = {Solid State Phenomena (Online)},
number = ,
volume = 289,
place = {United States},
year = {Mon Apr 01 00:00:00 EDT 2019},
month = {Mon Apr 01 00:00:00 EDT 2019}
}
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