116 citations · 816 across the 39 of their papers we have counts for
39 papers
Frustration model and spin excitations in the helimagnet FeP
A. S. Sukhanov, Y. V. Tymoshenko, A. A. Kulbakov +14
The metallic compound FeP belongs to the class of materials that feature a complex noncollinear spin order driven by magnetic frustration. While its double-helix magnetic structure…
Synthesis and crystal growth of novel layered bismuthides ATM2Bi2, (A = K, Rb; TM = Zn, Cd) with significant electron-deficient structure
Andrey Shilov, Kirill Pervakov, Konstantin Lyssenko +5
Layered bismuthides of the family ATM2Bi2 are showing very interesting structural and physical properties. Here, we report crystal growth and characterization of new ternary layere…
Fermi surface tomography
Sergey Borisenko, Alexander Fedorov, Andrii Kuibarov +19
Fermi surfaces, three-dimensional (3D) abstract interfaces that define the occupied energies of electrons in a solid, are important for characterizing and predicting the thermal, e…
Lattice dynamics in the double-helix antiferromagnet FeP
A. S. Sukhanov, S. E. Nikitin, M. S. Pavlovskii +10
We present a comprehensive investigation of lattice dynamics in the double-helix antiferromagnet FeP by means of high-resolution time-of-flight neutron spectroscopy and ab-initio c…
NMR study of magnetic structure and hyperfine interactions in binary helimagnet FeP
A. A. Gippius, A. V. Tkachev, S. V. Zhurenko +7
We report a detailed study of the ground state helical magnetic structure in monophosphide FeP by means of P NMR spectroscopy. We show that the zero-field NMR spectrum of…
The incommensurate magnet iron monophosphide FeP: Crystal growth and characterization
I. O. Chernyavskii, S. E. Nikitin, Y. A. Onykiienko +14
We report an optimized chemical vapor transport method, which allows growing FeP single crystals up to 500 mg in mass and 80 in volume. The high quality of the crystals ob…
Disorder-induced coupling of Weyl nodes in WTe
Steffen Sykora, Johannes Schoop, Lukas Graf +7
The finite coupling between Weyl nodes due to residual disorder is investigated by magnetotransport studies in WTe. The anisotropic scattering of quasiparticles is evidenced fr…
Separate tuning of nematicity and spin fluctuations to unravel the origin of superconductivity in FeSe
Seung-Ho Baek, Jong Mok Ok, Jun Sung Kim +8
The interplay of orbital and spin degrees of freedom is the fundamental characteristic in numerous condensed matter phenomena, including high temperature superconductivity, quantum…
3D visualizations of nano-scale phase separation and ultrafast dynamic correlation between phases in (Na0.32K0.68)0.95Fe1.75Se2
P. C. Cheng, W. Y. Tzeng, Y. J. Chu +10
Phase separation of metallic and antiferromagnetic (AFM) insulating phases in alkaline iron selenides (AxFe2-ySe2) continues to attract intense interest because the relationship be…
Charge and nematic orders in AFeAs (A= Rb,Cs) superconductors
M. Moroni, G. Prando, S. Aswartham +5
We discuss the results of As Nuclear Quadrupole Resonance (NQR) and muon spin relaxation measurements in AFeAs (A= Cs, Rb) iron-based superconductors. We demonstrate…
Yanson point-contact spectroscopy of Weyl semimetal WTe2
Yu. G. Naidyuk, D. L. Bashlakov, O. E. Kvitnitskaya +10
We carried out point contact (PC) investigation of WTe2 single crystals. We measured Yanson d2V/dI2 PC spectra of the electron-phonon interaction (EPI) in WTe2. The spectra demonst…
Evidence of hot and cold spots on the Fermi surface of LiFeAs
J. Fink, J. Nayak, E. D. L. Rienks +10
Angle-resolved photoemission spectroscopy (ARPES) is used to study the energy and momentum dependence of the inelastic scattering rates and the mass renormalization of charge carri…
3D superconducting gap in FeSe from ARPES
Y. S. Kushnirenko, A. V. Fedorov, E. Haubold +7
We present a systematic angle-resolved photoemission spectroscopy study of the superconducting gap in FeSe. The gap function is determined in a full Brillouin zone including all Fe…
Spectroscopic evidence of topological phase transition in 3D Dirac semimetal Cd(AsP)
S. Thirupathaiah, I. Morozov, Y. Kushnirenko +9
We study the low-energy electronic structure of three-dimensional Dirac semimetal, Cd(AsP) [ = 0 and 0.34(3)], by employing the angle-resolved photoemission…
The three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned ARPES measurements
Matthew D. Watson, Saicharan Aswartham, Luke C. Rhodes +6
We report a comprehensive ARPES study of NaFeAs, a prototypical parent compound of the Fe-based superconductors. By mechanically detwinning the samples, we show that in the nematic…
Electronic structure and magnetic properties of the strong-rung spin-1 ladder compound RbNi(NO)
Z. V. Pchelkina, V. V. Mazurenko, O. S. Volkova +7
Small single crystals of RbNi(NO) were obtained by crystallization from anhydrous nitric acid solution of rubidium nitrate and nickel nitrate hexahydrate. The basic…
Combined resistivity and Hall effect study on NaFeRhAs single crystals
Frank Steckel, Robert Beck, Maria Roslova +5
Electrical transport measurements are used to study the Rh-doped NaFeAs superconductor series with a focus on the tetragonal phase. The resistivity curvature has an anomalous tempe…
Anisotropic hyperfine interactions in FeP studied by 57Fe Mossbauer spectroscopy and 31P NMR
Igor A. Presniakov, Alexey V. Sobolev, Andrey A. Gippius +6
We report results of 57Fe Mossbauer and 31P NMR studies of a phosphide FeP powder sample performed in a wide temperature range including the point (TN ~ 120 K) of magnetic phase tr…
Crystal growth and the electronic phase diagram of the 4 doped NaFeRhAs in comparison with 3 doped NaFeCoAs
Frank Steckel, Maria Roslova, Robert Beck +13
Single crystals of NaFeTAs with T = Co, Rh have been grown using a self-flux technique. The crystals were thoroughly characterized by powder X-ray diffraction,…
Non-Fermi-liquid scattering rates and anomalous band dispersion in ferropnictides
J. Fink, A. Charnukha, E. D. L. Rienks +13
Angle-resolved photoemission spectroscopy (ARPES) is used to study the band dispersion and the quasiparticle scattering rates in two ferropnictides systems. Our ARPES results show…
Quantum spin chain as a potential realization of the Nersesyan-Tsvelik model
C. Balz, B. Lake, H. Luetkens +9
It is well established that long-range magnetic order is suppressed in magnetic systems whose interactions are low-dimensional. The prototypical example is the S-1/2 Heisenberg ant…
Anomalous High-Energy Electronic Interaction in Iron-Based Superconductor
D. V. Evtushinsky, A. N. Yaresko, V. B. Zabolotnyy +11
Strong electron interactions in solids increase effective mass, and shrink the electronic bands [1]. One of the most unique and robust experimental facts about iron-based supercond…
Direct observation of spin-orbit coupling in iron-based superconductors
Sergey Borisenko, Danil Evtushinsky, Igor Morozov +7
Spin-orbit coupling (SOC) is a fundamental interaction in solids which can induce a broad spectrum of unusual physical properties from topologically non-trivial insulating states t…
Crystal growth, transport phenomena and two gap superconductivity in the mixed alkali metal iron selenide
Maria Roslova, Svetoslav Kuzmichev, Tatiana Kuzmicheva +7
Using the self-flux technique we grew superconducting (z = 0.3) single crystals. The EDX mapping revealed the uniform elements distribution on the c…