46 Result(s)
within
N. E. Sluchanko
Quantum Information Technology, Spintronics
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Article
Low-Temperature Crystallization of Structural Defects in LuB12 According to 175Lu NMR Data
Studies of dodecaboride LuB12 in the temperature range of 10–300 K show that the 175Lu spectrum is broadened due to the scatter of quadrupole frequency shifts caused by the defects in the Lu sublattice. To explai...
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Article
Electronic Phase Transitions in Heavy-Fermion CeB6 Compound
For the first time, an electronic phase transition at Tc ≈ 340 K in a classical strongly correlated electron system CeB6 is discovered and studied in detail. It is shown that the observed anomalies in the resisti...
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Article
Three-Dimensional H–φ–θ Phase Diagram of ErB12 Antiferromagnet with Dynamic Charge Stripes
A three-dimensional (H, φ, θ, T = 2 K) magnetic phase diagram has been constructed for the first time for the antiferromagnetic metal Er11B12 with an amplitude-modulated magnetic structure exhibiting an electroni...
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Article
Genesis of Collective Excitations in the Conductivity Spectra of Higher Borides RB6 and RB12 Exhibiting a Cooperative Structural Instability
To describe anomalies in the ac conductivity spectra of higher borides RB6 and RB12 with the Jahn−Teller structural instability, a model based on the dipole nature of the effect of collective lattice vibrations o...
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Article
Open AccessErratum to: Several Articles in JETP Letters
An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022340033
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Article
Open AccessHall Effect in the Antiferromagnetic State of Ho0.8Lu0.2B12
Detailed measurements of the Hall effect in the Ho0.8Lu0.2B12 antiferromagnetic compound (Néel temperature TN = 5.75 K) in magnetic fields up to 80 kOe oriented in the (110) plane at temperatures of 1.9–6.6 K are...
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Article
Anisotropy of the Hall Effect in the Paramagnetic Phase of Ho0.8Lu0.2B12 Cage Glass
Detailed measurements of the Hall effect in the paramagnetic phase of Ho0.8Lu0.2B12 antiferromagnet at the magnetic field up to 80 kOe in the temperature range of 1.9–300 K have been performed. It has been found ...
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Article
Breaking of Cubic Symmetry in Rare-Earth Dodecaborides with Dynamic Charge Stripes
The effect of symmetry lowering for the parameters of electron transport in rare-earth dodecaborides RB12 (R = Ho, Er, Tm, Lu) with fcc crystal structure at temperatures T ≤ 150 K has been discovered. It has been...
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Article
Electron Paramagnetic Resonance in HoxLu1−xB12 Dodecaborides
The high-frequency (60 GHz) electron paramagnetic resonance is studied in HoxLu1−xB12 single crystals at low temperatures (2–80 K) in an applied magnetic field up to 7 T within a wide do** range, 0.01 ≤ x ≤ 1. ...
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Article
Boron 10B—11B Isotope Substitution as a Probe of the Mechanism Responsible for the Record Thermionic Emission in LaB6 with the Jahn—Teller Instability1
We have tested the conduction band electrons of lanthanum hexaboride that is among the most effective electron-beam sources with one of the highest brightness of thermionic emission. We performed infrared spec...
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Article
Features of the Crystal Structure of Tm1–xYbxB12 Dodecaborides near a Quantum Critical Point and at a Metal–Insulator Transition
The magnetic phase diagram of Tm1–xYbxB12 antiferromagnets is determined from the specific heat measurements performed at low and ultralow temperatures (0.07–10 K). Precise experimental studies of the features of...
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Article
Magnetic Anisotropy of the Low-Temperature Specific Heat of Ho0.01Lu0.99B12 with Dynamic Charge Stripes
The specific heat of Ho0.01Lu0.99B12 single crystals with dynamic charge stripes is studied at low and ultralow temperatures (0.07–20 K) in applied magnetic fields of 0–9 Т. It is shown that additional contributi...
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Article
Antiferromagnetic Resonance in GdB6
The electron spin resonance has been measured for the first time both in the paramagnetic phase of the metallic GdB6 antiferromagnet (TN = 15.5K) and in the antiferromagnetic state (T < TN). In the paramagnetic p...
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Article
Magnetoresistance Scaling and the Anisotropy of Charge Carrier Scattering in the Paramagnetic Phase of Ho0.8Lu0.2B12 Cage Glass
The transverse magnetoresistance of Ho0.8Lu0.2B12 dodecaboride with a cage glass structure is studied at low (2–10 K) temperatures. It is demonstrated that the isotropic negative magnetoresistance in this antifer...
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Article
Collective Infrared Excitation in LuB12 Cage-Glass
By measuring room temperature infrared (40–35000 cm–1) reflectivity of metallic LuB12 single crystals with different isotopic compositions (natB, 10B, 11B), we find that to model the spectrum we had to introduce,...
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Article
Magnetization of Mn1–x Fe x Si in high magnetic fields up to 50 T: Possible evidence of a field-induced Griffiths phase
Magnetic properties of single crystals of Mn1–x Fe x Si solid solutions with x < 0.2 are investigated by pulsed field technique in magnetic fields...
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Article
Raman scattering in ZrB12 cage glass
High-precision measurements of the Hall effect and Raman scattering have been performed for single crystals of ZrB12 superconductor in the wide temperature range of 5–300 K. For ZrB12, the boson peak with ωmax ~ ...
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Article
Effect of a magnetic field on the intermediate phase in Mn1–x Fe x Si: Spin-liquid versus fluctuations scenario
We report results of the magnetic field influence on the chiral spin liquid state in Mn1–x Fe x Si single crystal with iron content x = 0.108 in p...
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Article
Nature of heavy-fermion states arising in the vicinity of an isolated cerium or holmium magnetic impurity in LaB6
The behavior of the electrical resistivity and magnetoresistance of lanthanum hexaboride with isolated (∼1%) Ce or Ho magnetic impurities has been studied. It has been shown that the low-temperature growth of ...
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Article
Features of the formation of magnetic moments of Tm3+ and Yb3+ rare-earth ions in LuB12 cage glass
The features of the formation of the magnetic moments of Tm3+ and Yb3+ ions in a metallic matrix of LuB12 cage glass have been studied in measurements of the magnetization and specific heat in the temperature ran...
