Magnetic studies on LSCO superconductor close to the underdoped quantum critical point
In the quest to explain the origin of high temperature superconductivity (HTSC) much attention has been given to the interplay between magnetism and superconductivity in cuprate superconductors especially LSCO. We propose a study of the extreme underdoped region (3% < x < 10%) at the insulator-superconductor boundary also denoted the quantum critical point (QCP). Our aim is to study the magnetic stripe order in samples with different doping by applying magnetic fields which will suppress superconductivity. We will start with two crystals, 5% and 8% Sr doping, and will latter continue with other samples covering the underdoped region. This type of a systematic study of low magnetic fluctuations and a possible correspondence between the QCP and a magnetic quantum phase transition (QPT) has the potential to reveal important insights on the magnetic properties of cuprates which will improve our understanding of HTSC.
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TUTUEANU Ana Elena; BOEHM Martin; FOLKERS Laura; LEFMANN Kim; LIDIN Sven; SASSA Yasmine and STEFFENS Paul. (2017). Magnetic studies on LSCO superconductor close to the underdoped quantum critical point. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-02-488
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