English
Related papers

Related papers: Distinct electronic nematicities between electron …

200 papers

The in-plane resistivity anisotropy has been measured for detwinned single crystals of Ba(Fe$_{1-x}$Ni$_x$)$_2$As$_2$ and Ba(Fe$_{1-x}$Cu$_x$)$_2$As$_2$. The data reveal a non-monotonic doping dependence, similar to previous observations…

Understanding the magnetoresistance (MR) of a magnetic material forms the basis for uncovering the orbital mechanisms and charge-spin interactions in the system. Although the parent state of iron-based high-temperature superconductors,…

The in-plane anisotropy of resistivity has been investigated for Ba(Fe$_{1-x}$TM$_{x}$)$_2$As$_2$ (TM-Ba122, TM$=$Cr, Mn, and Co) where the substitution sites are the same but the doped carriers are different for different TM elements. The…

Superconductivity · Physics 2015-08-18 Tatsuya Kobayashi , Kiyohisa Tanaka , Shigeki Miyasaka , Setsuko Tajima

The aim of this work is to investigate the temperature dependencies both in CuO2-plane and out-of plane resistivities in electron-doped Nd2-xCexCuO4 for x from 0.135 up to 0.15 in order to analyze the anisotropy of the electrical transport…

Superconductivity · Physics 2019-02-20 A. S. Klepikova , T . B. Charikova , N. G. Shelushinina , M. R. Popov , A. A. Ivanov

Studies of the copper-based superconductors demonstrate how their phase diagram becomes more complex as experimental probes improve, able to distinguish among subtly different electronic phases. One of those phases, nematicity, has become…

Superconductivity · Physics 2019-05-21 Marcin Matusiak , Michal Babij

The main driven force of the electronic nematic phase in iron-based superconductors is still under debate. Here, we report a comprehensive study on the nematic fluctuations in a non-superconducting iron pnictide system…

Understanding the microscopic origins of electronic phases in high-transition temperature (high-Tc) superconductors is important for elucidating the mechanism of superconductivity. In the paramagnetic tetragonal phase of BaFe2-xTxAs2 (where…

Superconductivity · Physics 2014-08-13 Xingye Lu , J. T. Park , Rui Zhang , Huiqian Luo , Andriy H. Nevidomskyy , Qimiao Si , Pengcheng Dai

The in-plane resistivity anisotropy is studied in strain-detwinned single crystals of FeSe. In contrast to other iron-based superconductors, FeSe does not develop long-range magnetic order below the nematic/structural transition at…

We study the in-plane anisotropy of the thermoelectric power and electrical resistivity on detwinned single crystals of isovalent substituted EuFe$_{2}$(As$_{1-x}$P$_{x}$)$_2$. Compared to the resistivity anisotropy the thermopower…

Strongly Correlated Electrons · Physics 2013-02-15 Shuai Jiang , H. S. Jeevan , Jinkui Dong , P. Gegenwart

The mechanism behind the nematicity of FeSe is not known. Through elastoresitivity measurements it has been shown to be an electronic instability. However, so far measurements have extended only to small strains, where the response is…

Single crystals of LaFeAsO were successfully grown out of KI flux. Temperature dependent electrical resistivity was measured with current flow along the basal plane, \rho_perpend(T), as well as with current flow along the crystallographic…

Superconductivity · Physics 2012-10-18 A. Jesche , F. Nitsche , S. Probst , Th. Doert , P. Müller , M. Ruck

We use polarized inelastic neutron scattering to study the temperature and energy dependence of spin space anisotropies in the optimally hole-doped iron pnictide Ba$_{0.67}$K$_{0.33}$Fe$_{2}$As$_{2}$ ($T_{{\rm c}}=38$ K). In the…

The in-plane resistivity anisotropy has been studied with the Montgomery method on two detwinned parent compounds of the iron-based superconductors, NaFeAs and FeTe. For NaFeAs, the resistivity in the antiferromagnetic (AFM) direction is…

Strongly Correlated Electrons · Physics 2012-10-02 Juan Jiang , C. He , Y. Zhang , M. Xu , Q. Q. Ge , Z. R. Ye , F. Chen , B. P. Xie , D. L. Feng

We performed resistance measurements on Fe$_{1+\delta-x}$Cu$_{x}$Te with $x_{EDX}\leq 0.06$ in the presence of in-plane applied magnetic fields, revealing a resistance anisotropy that can be induced at a temperature far below the structural…

Strongly Correlated Electrons · Physics 2017-06-28 Toni Helm , Patrick N. Valdivia , Edith Bourret-Courchesne , James G. Analytis , Robert J. Birgeneau

An ordered phase showing remarkable electronic anisotropy in proximity to the superconducting phase is now a hot issue in the field of high-transition-temperature superconductivity. As in the case of copper oxides, superconductivity in iron…

Strongly Correlated Electrons · Physics 2011-07-27 M. Nakajima , T. Liang , S. Ishida , Y. Tomioka , K. Kihou , C. H. Lee , A. Iyo , H. Eisaki , T. Kakeshita , T. Ito , S. Uchida

Temperature-dependent inter-plane resistivity, $\rho_c(T)$, was measured for the iron-based superconductor BaFe$_2$(As$_{1-x}$P$_x$)$_2$ over a broad isoelectron phosphorus substitution range from $x$=0 to $x$=0.60, from non-superconducting…

Superconductivity · Physics 2015-06-15 M. A. Tanatar , K. Hashimoto , S. Kasahara , T. Shibauchi , Y. Matsuda , R. Prozorov

We investigate the in-plane anisotropy of Fe 3d orbitals occurring in a wide temperature and composition range of BaFe2(As1-xPx)2 system. By employing the angle-resolved photoemission spectroscopy, the lifting of degeneracy in dxz and dyz…

Superconductivity · Physics 2015-12-09 T. Sonobe , T. Shimojima , A. Nakamura , M. Nakajima , S. Uchida , K. Kihou , C. H. Lee , A. Iyo , H. Eisaki , K. Ohgushi , K. Ishizaka

The anisotropy of electrical resistivity was measured in parent compounds of the iron-arsenic high temperature superconductors, AEFe2As2 with Alkali Earth elements AE=Ca,Sr, Ba. Measurements were performed using both the Montgomery…

Superconductivity · Physics 2015-05-13 M. A. Tanatar , N. Ni , G. D. Samolyuk , S. L. Bud'ko , P. C. Canfield , R. Prozorov

We use inelastic neutron scattering to study the temperature and energy dependence of the spin excitation anisotropy in uniaxial-strained electron-doped iron pnictide BaFe$_{1.9}$Ni$_{0.1}$As$_2$ near optimal superconductivity ($T_c=20$ K).…

Superconductivity · Physics 2015-11-10 Yu Song , Xingye Lu , D. L. Abernathy , David W. Tam , J. L. Niedziela , Wei Tian , Huiqian Luo , Qimiao Si , Pengcheng Dai

Electronic nematicity has been found in a wide range of strongly correlated electron materials, resulting in the electronic states having a symmetry that is lower than that of the crystal that hosts them. One of the most astonishing…