High-entropy alloy (HEA) superconductors have attracted significant attention due to their exceptional low-temperature mechanical and superconducting properties. We report the synthesis thorough characterization of an equiatomic HEA superconductor with composition Sc0.20V0.20Ti0.20Hf0.20Nb0.20, crystallizing in a body-centered cubic crystal structure (Im3m¯). Our investigation, using magnetization, transport, heat capacity measurements, reveals presence weakly coupled, fully gapped...

In this study, we have employed a high entropy approach to synthesize hitherto unexplored tetragonal spinel with composition (Mn0.2Co0.2Ni0.2Cu0.2Zn0.2)Mn1.8Cr0.2O4. The temperature and field-dependent magnetization studies reveal complex magnetic behavior characterized by ferrimagnetic transition occurring at (TC) 85 K, followed noncollinear ground state below 23 K. Remarkably, observed the appearance of large exchange bias effect (exchange field HEB = 7.6 kOe 4 K) TC K in cooled mode....

Abstract Superconducting high-entropy alloys (HEAs) are a newly burgeoning field of unconventional superconductors and raise intriguing questions about the presence superconductivity in highly disordered systems, which lack regular phonon modes. In our study, we have synthesized investigated superconducting characteristics two new transition elements based HEAs Re 0.35 Os Mo 0.10 W Zr crystallizing noncentrosymmetric α -Mn structure, Ru hexagonal closed-packed structure (hcp). Due to its...

The lightweight high entropy alloy represents an innovative class of multicomponent systems that combine low density with the exceptional mechanical properties high-entropy alloys. We present a detailed synthesis and investigation 3d rich equiatomic superconductor Sc-Ti-V-Nb-Cu, which crystallizes in body-centered cubic structure. Magnetization, electrical resistivity, heat capacity measurements confirm weakly coupled bulk type II superconductivity 7.21(3) K transition temperature upper...

Realizing topological superconductivity in stoichiometric materials is a key challenge condensed matter physics. Here, we report the discovery of ternary germanide superconductors, $M$IrGe ($M$ = Ti, Hf), as prime candidates for superconductivity, predicted to exhibit nonsymmorphic symmetry-protected hourglass Dirac chains. Using comprehensive thermodynamic and muon-spin rotation/relaxation ($\mu$SR) measurements, establish these conventional bulk type-II superconductors with transition...

Abstract Transition-metal-based carbides (TMCs), renowned for their exceptional hardness, mechanical strength, and thermal properties, have recently emerged as promising candidates topological superconductivity. In this study, we synthesized ReC in the NaCl structure at ambient pressure by substituting Mo or W Re-site. We investigated superconducting properties of Re1-x Tx C (where T = Mo, W) x 0.5 using magnetization, resistivity specific heat measurements. These compounds display type-II,...

Rhenium-based superconductors have recently attracted significant interest due to their unconventional superconducting properties. In this work, we report the synthesis and properties of new Re$_{7}$X$_{3}$ (X = Nb, Ta, Ti, Zr, Hf) binary alloys which maintain a fixed composition rhenium while crystallizing in centrosymmetric non-centrosymmetric crystal structures, depending on elements X site. Comprehensive structural were investigated using powder x-ray diffraction, AC transport,...

The operation of any battery-powered system is often limited by the support-time from battery. Hence, an optimized use available energy content battery required in real-time scenario. In this paper, a methodology for maximizing run-time driven car varying speed motor according to has been presented. model with less complexity used accurately estimating and tracking state charge This investigated using powered small laboratory consisting DC lead-acid used. proposed algorithm are found be...

High upper-critical field superconducting alloys are required for device applications. In this paper, we extensively characterized the structure and properties of ${\mathrm{Ta}}_{x}{\mathrm{Hf}}_{1\ensuremath{-}x}$ ($x$ = 0.2, 0.4, 0.5, 0.6 0.8). The substitution Hf (${T}_{C}$ 0.12 K, type-I superconductor) with Ta 4.4 shows an anomalous enhancement ${T}_{C}$ a variation composition. Interestingly, all compositions exhibited strongly coupled bulk type-II superconductivity high upper critical field.

High-entropy alloy (HEA) superconductors have attracted significant attention due to their exceptional low-temperature mechanical and superconducting properties. We report the synthesis thorough characterization of an equiatomic HEA superconductor with composition Sc$_{0.20}$V$_{0.20}$Ti$_{0.20}$Hf$_{0.20}$Nb$_{0.20}$, crystallizing in a body-centered cubic crystal structure (Im3$\bar{m}$). Our investigation, using magnetization, transport, heat capacity measurements, reveals presence weakly...

Superconductivity and nontrivial topology are highly sought-after phenomena in quantum materials. While many topological crystalline materials have been found to exhibit superconductivity, their presence quasicrystals - with a unique aperiodic yet ordered structure has remained largely unexplored. In this work, we report the discovery of superconductivity monoclinic approximant decagonal quasicrystal Al$_{13}$Os$_{4}$, that exhibits high superconducting transition temperature electronic...

Transition-metal-based carbides (TMCs), renowned for their exceptional hardness, mechanical strength, and thermal properties, have recently emerged as promising candidates topological superconductivity. In this study, we synthesized ReC in the NaCl structure at ambient pressure by substituting Mo or W Re-site. We investigated superconducting properties of Re$_{1-x}$T$_{x}$C (where T = Mo, W) $x 0.5$ using magnetization, resistivity specific heat measurements. These compounds display type-II,...

Superconducting high-entropy alloys (HEAs) are a newly burgeoning field of unconventional superconductors and raise intriguing questions about the presence superconductivity in highly disordered systems, which lack regular phonon modes. In our study, we have synthesized investigated superconducting characteristics two new transition elements based HEAs Re$_{0.35} $Os$_{0.35} $Mo$_{0.08} $W$_{0.10} $Zr$_{0.12}$ (ReOMWZ) crystallizing noncentrosymmetric $\alpha$-Mn structure, Ru$_{0.35}...

High upper-critical field superconducting alloys are required for device applications. In this study, we extensively characterized the structure and properties of Ta$_{x}$ Hf$_{1-x}$ (x = 0.2, 0.4, 0.5, 0.6 0.8). The substitution Hf (T$_{C}$ 0.12 K, type-I superconductor) with Ta 4.4 shows an anomalous enhancement T$_{C}$ variation composition. Interestingly, all compositions exhibited strongly coupled bulk type-II superconductivity a high upper critical field. particular, x (H$_{C2}$)...