The normal-state charge transport is studied systematically in high-quality single crystals of ${\text{BaFe}}_{2}{({\text{As}}_{1\ensuremath{-}x}{\text{P}}_{x})}_{2}$ $(0\ensuremath{\le}x\ensuremath{\le}0.71)$. By substituting isovalent P for As, the spin-density-wave (SDW) state suppressed and dome-shaped superconducting phase $({T}_{c}\ensuremath{\lesssim}31\text{ }\text{K})$ appears. Near SDW end point $(x\ensuremath{\approx}0.3)$, we observe striking linear temperature $(T)$ dependence...

The thermal conductivity of the heavy-fermion superconductor CeCoIn5 has been studied in a magnetic field rotating within 2D planes. A clear fourfold symmetry which is characteristic superconducting gap with nodes along ( +/- pi,+/- pi) directions resolved. measurement also reveals first-order transition at H(c2), indicating Pauli limited state. These results indicate that most likely belongs to d(x(2)-y(2)), implying anisotropic antiferromagnetic fluctuation relevant superconductivity.

We carried out the de Haas–van Alphen (dHvA) experiment for an antiferromagnet CeRhIn 5 at high pressures up to 3 GPa. The cross-sectional areas of Fermi surfaces due main dHvA branches α i and β 2 ambient pressure, which are well explained by two kinds nearly cylindrical a non-4 f reference compound LaRhIn , unchanged about 2.3 GPa, while corresponding cyclotron masses m c * increase steeply above pressure P = 1.6 GPa where pressure-induced superconductivity sets in : 5.5 0 20 60 2.2 branch...

We report the discovery of pressure-induced superconductivity in an antiferromagnet CeIrSi 3 , which lacks inversion symmetry tetragonal crystal structure. The Néel temperature T N = 5.0 K at ambient pressure decreases monotonically with increasing pressure, and becomes zero about 2.5 GPa. Superconductivity appears a wide region from 1.8 GPa to 3.5 GPa, relatively large superconduting transition sc 1.6 upper critical field H c2 (0) 11.1 indicating heavy-fermion superconductivity.

The rising global human population and increased environmental stresses require a higher plant productivity while balancing the ecosystem using advanced nanoelectronic technologies. Although multifunctional wearable devices have played distinct roles in healthcare monitoring disease diagnosis, probing potential physiological health issues plants poses formidable challenge due to their biological complexity. Herein an integrated multimodal flexible sensor system is proposed for growth...

We have studied Fermi surface properties of LaRhIn 5 and CeTIn (T: Co, Rh Ir) via the de Haas–van Alphen (dHvA) experiment. The a non-4 f reference compound is quasi-two dimensional, reflecting unique tetragonal crystal structure, which consistent with result FLAWP energy band calculations. an antiferromagnet CeRhIn similar to that , although cyclotron mass in roughly by one order larger than . Both surfaces are, however, different from those CeCoIn CeIrIn are well explained 4 -itinerant...

In-plane microwave penetration depth lambda_{ab} and quasiparticle conductivity at 28 GHz are measured in underdoped single crystals of the Fe-based superconductor PrFeAsO_{1-y} (T_{c} approximately 35 K) by using a sensitive superconducting cavity resonator. lambda_{ab}(T) shows flat dependence low temperatures, which is incompatible with presence nodes gap Delta(k). The temperature superfluid density demonstrates that nonzero (Delta/k_{B}T_{c} greater, similar1.6) all over Fermi surface....

We observed de Haas-van Alphen (dHvA) oscillation in both the normal and superconducting mixed states of a heavy-fermion superconductor CeCoIn5. The Fermi surfaces are found to consist nearly cylindrical small ellipsoidal ones, reflecting unique tetragonal crystal structure. detected cyclotron masses 5-87 m0 for these extremely large, correspond large electronic specific heat coefficient about 1000 mJ K-2 mol-1. also be field dependent states.

Using the de Haas-van Alphen effect we have measured evolution of Fermi surface BaFe2(As1-xPx){2} as a function isoelectric substitution (As/P) for 0.41<x<1 (T{c} up to 25 K). We find that volumes electron and hole surfaces shrink linearly with decreasing x. This shrinking is accompanied by strong increase in quasiparticle effective mass x tuned toward maximum T{c}. These results are not explained simple band structure calculations, it likely these trends originate from same many-body...

Spin dynamics evolution of BaFe2(As(1-x)Px){2} was probed as a function P concentration via 31P NMR. Our NMR study reveals that two-dimensional antiferromagnetic (AF) fluctuations are notably enhanced with little change in static susceptibility on approaching the AF phase from superconducting dome. Moreover, magnetically ordered temperature θ deduced relaxation rate vanishes at optimal doping. These results provide clear-cut evidence for quantum-critical point, suggesting associated point...

dc magnetization measurements on ${\mathrm{CeCoIn}}_{5}$ reveal a first-order phase transition at ${H}_{c2}$ for both $H\ensuremath{\Vert}a$ and c axes in the isothermal $M(H)$ below 0.7 K, indicating strong Pauli paramagnetic suppression even-parity pairing. $M(T)$ normal state above exhibits non-Fermi-liquid behavior down to 150 mK, implying existence of antiferromagnetic fluctuations behind unconventional superconductivity. We observed an unusual peak effect $H\ensuremath{\Vert}c$ fields...

We show that the charge and thermal transport measurements on ultraclean crystals of URu2Si2 reveal a number unprecedented superconducting properties. The uniqueness is best highlighted by peculiar field dependence conductivity including first-order transition at Hc2 with reduction entropy flow. This consequence multiband superconductivity compensated electronic structure in hidden order state this system. provide strong evidence for new type unconventional two distinct gaps having different...

Condensed-matter systems that are both low-dimensional and strongly interacting often exhibit unusual electronic properties. Strongly correlated electrons with greatly enhanced effective mass present in heavy fermion compounds, whose structure is essentially three-dimensional. We realized experimentally a two-dimensional system, adjusting the dimensionality controllable fashion. Artificial superlattices of antiferromagnetic compound CeIn3 conventional metal LaIn3 were grown epitaxially. By...

Chirality-induced spin transport phenomena are investigated at room temperature without magnetic fields in a monoaxial chiral dichalcogenide ${\mathrm{CrNb}}_{3}{\mathrm{S}}_{6}$. We found that polarization occurs these bulk crystals under charge current flowing along the principal $c$ axis. Such detected as an inverse Hall signal which is induced on detection electrode absorbs polarized from crystal. The response observed when applying into electrode. sign reverses device with opposite...

A spin-polarized state is examined under charge current at room temperature without magnetic fields in chiral disilicide crystals NbSi2 and TaSi2. We found that a long-range spin transport occurs over ten micrometers these inorganic crystals. distribution of crystalline grains different handedness obtained via location-sensitive electrical measurements. The sum rule holds the conversion coefficient current-voltage characteristics. diamagnetic nature supports polarization not due to localized...

A generation, propagation, and transfer of phonon angular momenta are examined on thermal transport in chiral insulative diamagnetic crystals $\alpha$-quartz. We found that thermally-driven phonons carry chirality-dependent the quartz they could be extracted from as a spin signal. Namely, chirality-induced selectivity is realized quartz. argue available materials key element triggering or enhancing with robust polarization long-range various materials.

We have investigated the de Haas--van Alphen effect in Pr-based heavy-fermion superconductor ${\mathrm{PrOs}}_{4}{\mathrm{Sb}}_{12}.$ The topology of Fermi surface is close to reference compound ${\mathrm{LaOs}}_{4}{\mathrm{Sb}}_{12}$ and well explained by band-structure calculation based on FLAPW (full potential linearized augmented-plane-wave)-LDA (local-density approximation) $+U$ method, where $4f$ electrons are localized. confirmed a highly enhanced cyclotron effective mass...

We observed the de Haas--van Alphen oscillation in heavy fermion compound ${\mathrm{CeIrIn}}_{5}.$ The topology of Fermi surface is found to be nearly cylindrical, reflecting unique tetragonal structure. Observed branches are well explained by 4f-itinerant band model. cyclotron masses $20--{30m}_{0}$ one order larger than corresponding masses.

Field-angle-dependent specific heat measurements have been made on the heavy-fermion superconductor CeCoIn5 down to , in a magnetic field rotating tetragonal c-plane. A clear fourfold angular oscillation is observed with minima (maxima) occurring along [100] ([110]) directions. Oscillation persists low fields thus directly proving existence of gap nodes. The results indicate that superconducting symmetry most probably dxy type.

Ultrasound velocity measurements of the unconventional superconductor ${\mathrm{CeCoIn}}_{5}$ with extremely large Pauli paramagnetic susceptibility reveal an unusual structural transformation flux-line lattice (FLL) in vicinity upper critical field. The transition field coincides that at which heat capacity a second-order phase transition. lowering sound is consistent vortex segmentation and crossover to quasi-two-dimensional FLL pinning. These results provide strong evidence high-field...

We report a highly unusual angular variation of the upper critical field (${H}_{c2}$) in epitaxial superlattices ${\mathrm{CeCoIn}}_{5}(n)/{\mathrm{YbCoIn}}_{5}(5)$, formed by alternating layers $n$ and 5 unit-cell thick heavy-fermion superconductor ${\mathrm{CeCoIn}}_{5}$ with strong Pauli effect normal metal ${\mathrm{YbCoIn}}_{5}$, respectively. For $n=3$ superlattice, ${H}_{c2}(\ensuremath{\theta})$ changes smoothly as function angle $\ensuremath{\theta}$. However, close to...

By using a molecular beam epitaxy technique, we fabricate new type of superconducting superlattices with controlled atomic layer thicknesses alternating blocks between the heavy-fermion superconductor ${\mathrm{CeCoIn}}_{5}$, which exhibits strong Pauli pair-breaking effect, and nonmagnetic metal ${\mathrm{YbCoIn}}_{5}$. The introduction thickness modulation ${\mathrm{YbCoIn}}_{5}$ block layers breaks inversion symmetry centered at ${\mathrm{CeCoIn}}_{5}$. This configuration leads to...

An experimental physiologic and histologic study of dexamethasone effects on peripheral nerves.To characterize the effect topically applied 0.4% acute changes in nerve blood flow subsequent rat sciatic fibers.Dexamethasone is an anti-inflammatory glucocorticoid used clinically to reduce neural consequences inflammation. Several reports accidental injury nerves after steroid injections have raised questions about mechanisms involved dexamethasone-induced neurotoxic injury.Nerve studies using...

We measured the low-temperature specific heat in magnetic fields up to 80 kOe, together with magnetization for heavy-fermion superconductor CeCoIn 5 transition temperature T c = 2.25 K. is a strong-coupling large jump Δ C / n ( ) 4.7. The state significantly formed below 1 K, reaching at least 1070 mJ/K 2 ·mol fields. This electronic coefficient 0.25 K is, however, reduced increasing field, ranging from 50 kOe 820 kOe. upper critical field H c2 0 estimated be 116 ∥[100] and 49.5 ∥[001]....