Structural/magnetic phase transitions and superconductivity in Ba(Fe&lt;sub&gt;1-x&lt;/sub&gt;TM&lt;sub&gt;x&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;As&lt;sub&gt;2&lt;/sub&gt; (TM=Co, Ni, Cu, Co/Cu, Rh and Pd) single crystals

Ni, Ni

doi:10.2172/985311

Cited by 2 publications

(1 citation statement)

References 139 publications

(213 reference statements)

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“…High quality single crystal BaNi x Fe 2− x As 2 ( x = 0.05 and 0.10) samples were grown using a high-temperature self-flux method222324. The areas of samples are roughly 2 × 2 mm 2 with a thickness ≤ 200 μ m. We had to add a thin metal plate between the sample and a sample cone to support and prevent bending of the sample caused by an epoxy contraction when the temperature was reduced.…”

Section: Methodsmentioning

confidence: 99%

Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides

Lee

Choi

Jung

et al. 2015

Sci Rep

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We studied two BaFe2−xNixAs2 (Ni-doped Ba-122) single crystals at two different doping levels (underdoped and optimally doped) using an optical spectroscopic technique. The underdoped sample shows a magnetic phase transition around 80 K. We analyze the data with a Drude-Lorentz model with two Drude components (D1 and D2). It is known that the narrow D1 component originates from electron carriers in the electron-pockets and the broad D2 mode is from hole carriers in the hole-pockets. While the plasma frequencies of both Drude components and the static scattering rate of the broad D2 component show negligible temperature dependencies, the static scattering rate of the D1 mode shows strong temperature dependence for the both samples. We observed a hidden quasi-linear temperature dependence in the scattering rate of the D1 mode above and below the magnetic transition temperature while in the optimally doped sample the scattering rate shows a more quadratic temperature dependence. The hidden non-Fermi liquid behavior in the underdoped sample seems to be related to the magnetic phase of the material.

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Section: Methodsmentioning

confidence: 99%

Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides

Lee

Choi

Jung

et al. 2015

Sci Rep

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Structural and magnetic properties and superconductivity in Ba(Fe1−xTMx)2As2 (TM=Ru, Mn, Cr/Co, Mn/Co) single crystals

Thaler

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Structural/magnetic phase transitions and superconductivity in Ba(Fe<sub>1-x</sub>TM<sub>x</sub>)<sub>2</sub>As<sub>2</sub> (TM=Co, Ni, Cu, Co/Cu, Rh and Pd) single crystals

Cited by 2 publications

References 139 publications

Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides

Hidden non-Fermi liquid behavior caused by magnetic phase transition in Ni-doped Ba-122 pnictides

Structural and magnetic properties and superconductivity in Ba(Fe1−xTMx)2As2 (TM=Ru, Mn, Cr/Co, Mn/Co) single crystals

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