- Rare-earth and actinide compounds
- Iron-based superconductors research
- Magnetic Properties of Alloys
- Inorganic Chemistry and Materials
- Superconductivity in MgB2 and Alloys
- Magnetic and transport properties of perovskites and related materials
- Vacuum and Plasma Arcs
- Heusler alloys: electronic and magnetic properties
- Advanced Condensed Matter Physics
- Lightning and Electromagnetic Phenomena
- Non-Destructive Testing Techniques
- Crystallization and Solubility Studies
- Infrared Thermography in Medicine
- Fire dynamics and safety research
- Power Transformer Diagnostics and Insulation
- Industrial and Mining Safety
- Body Composition Measurement Techniques
- Intermetallics and Advanced Alloy Properties
- Metallic Glasses and Amorphous Alloys
- Noise Effects and Management
- MXene and MAX Phase Materials
- Superconducting Materials and Applications
- Theoretical and Computational Physics
- Transportation Systems and Safety
- Thermoregulation and physiological responses
Gdańsk University of Technology
2016-2025
University of Gdańsk
2021
In this work, the hexagonal variant of Ce 2 PdGe 3 system is studied, which crystallizes in AlB ‐type structure (space group P6/mmm, hP3) and exhibits cluster spin‐glass type behavior. The physical properties are studied by magnetization, heat capacity electric resistivity, showed that (h‐Ce ) can be classified as a glass material with freezing temperature T f = 3.44 K contrast to behavior previously described tetragonal variant, shows double antiferromagnetic transition at N1 11 N2 2.3 K....
The rapid growth of the photovoltaic industry necessitates development innovative solutions to ensure safe operation these systems. One most critical challenges in installations is ensuring protection against electric shock under both operational and emergency conditions, as well minimizing risk fire spread case an installation fire. Existing safety measures do not provide a sufficient level protection, particularly terms safety. To address shortcomings, comprehensive system has been...
Abstract Two new ternary germanides Tb 2 Pt 1.2 Ge 2.8 , Dy 1.15 2.85 and one already known germanium Ho 1.1 2.9. were synthesized using an arc melting technique. The obtained samples investigated by powder x-ray diffraction, which indicated that all of them crystallized in a hexagonal structure with P 6/ mmm (no. 191) space group. This is disordered variant the AlB aristotype favors formation spin-glass-like state. physical properties examined measuring magnetic susceptibility, heat...
We report the synthesis and physical properties of a full Heusler compound, $\mathrm{Mg}{\mathrm{Pd}}_{2}\mathrm{Sb}$, which we found to show superconductivity below ${T}_{c}=2.2\phantom{\rule{0.16em}{0ex}}\mathrm{K}$. $\mathrm{Mg}{\mathrm{Pd}}_{2}\mathrm{Sb}$ was obtained by two-step solid-state reaction method its purity cubic crystal structure [$Fm\text{\ensuremath{-}}3m, a=6.4523(1)\phantom{\rule{0.16em}{0ex}}\AA{}$] were confirmed powder x-ray diffraction. Normal superconducting states...
The intermetallic germanide ${\mathrm{Gd}}_{2}{\mathrm{Pt}}_{1.1}{\mathrm{Ge}}_{2.9}$ was synthesized using an arc-melting method. crystal structure characterized powder x-ray diffraction, revealing a disordered ternary ${\mathrm{AlB}}_{2}$-type (space group $P6/mmm$, No. 191) with lattice parameters $a=4.2092(1)\phantom{\rule{0.16em}{0ex}}\AA{}$ and $c=4.0546(2)\phantom{\rule{0.16em}{0ex}}\AA{}$. Physical properties were investigated by magnetic susceptibility heat capacity measurements,...
The objective of this study is to assess the impact low-frequency electromagnetic fields (LF EMFs) generated by power infrastructure on nearby environment. Measurements electric (E) and magnetic (H) field intensities were conducted around high-voltage lines, transformer stations facilities related them. Numerical simulations also performed model distribution values real buildings in close proximity delivery systems. Given ongoing scientific debate regarding effects EMFs living organisms,...
The paper presents the methods of assessing technical condition varistor surge arresters used in laboratory tests and operation—performed without disconnecting from network. analysis diagnostic was supplemented with results measurements leakage current coming directly their production power industry. Among available evaluating arresters, mainly indicator solutions (temperature operation counter) measurement selected parameters are used. In latter, method determining resistive component...
New intermetallic compounds Tb2Pd1.25Ge2.75 and Dy2Pd1.25Ge2.75 have been synthesized using the arc-melting method. The crystallographic structure magnetic, electronic transport, thermal properties are reported. crystal obtained from powder x-ray diffraction analysis suggests that these crystallize in AlB2-type (space group P6/mmm, no. 191) with lattice parameters a = 4.228 53(5)/4.230 54 (2) Å c 3.942 25(9)/3.945 52(5) for Tb Dy respectively. ac dc magnetic susceptibility studies reveal...
The path from the charge density wave antiferromagnet NdNiC$_2$ to a noncentrosymmetric superconductor LaNiC$_2$ has been studied by gradual replacement of Nd La ions. evolution physical properties explored structural, magnetic, transport, magnetoresistance and specific heat measurements. With substitution for Nd, Peierls temperature is gradually suppressed, which falls within BCS mean-field relation chemical pressure with critical concentration $x_c$ = 0.38. As long as maintained,...
We report a successful synthesis of ternary AlB2-type intermetallic compound. The phase purity was obtained by fine-tuning the Pd : Ge ratio out idealized 1 3. Attempts to synthesize an Er analogue were not successful. discuss instability based on atomic size and also suggest that increased stability Ho2Pd1+x Ge3-x in Pd-rich range likely stems from combination ratio, electronic, entropic factors. new Ho2Pd1.3Ge2.7 compound is found exhibit cluster glass behavior with freezing temperature T ≈ 2.3 K.
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę kulturę techniczną.
The paper presents the methods of assessing technical condition varistor surge arresters used in laboratory tests and operation - performed without disconnecting from network. analysis diagnostic was supplemented with results measurements leakage current coming directly production power industry. Among available evaluating arresters, mainly indicator solutions (temperature, counter) using measurement selected parameters are used. In latter, method determining resistive component current,...
The half-Heusler family consists of many semiconducting intermetallic compounds, virtually all them having a valence electron count (VEC) 18. We have studied an electron-deficient (VEC = 17) phase MgPdSb and its Pd-stuffed variant MgPd1.25Sb. cubic F4̅3m crystal structure was confirmed by the Rietveld refinement powder X-ray diffraction (XRD) data. lattice parameter is 6.284 6.335 Å for MgPd1.25Sb, respectively. Debye temperature Sommerfeld coefficient are ΘD 282 K γ 3.3 mJ mol–1 K–2,...
Users expect reliable operation of the surge arrester during overvoltages, which may originate from a switching process or lightning discharge. The necessary conditions to guarantee these expectations are: appropriate construction arrester, its production being maintained in accordance with technical standards, and positive results type test. recipient, especially when purchasing large quantities product, can check final quality product through selective testing samples market order find...
Body surface area (BSA) is one of the major parameters used in several medical fields. However, there are concerns raised about its usefulness, mostly due to ambiguity estimation.
The dynamic development of the photovoltaic industry entails threats that have a direct impact on safety residential buildings. Appropriate design PV installation can be challenge due to multifaceted nature this issue. designer should take into account issues related selection electrical parameters installation, adapting lightning and surge protection in accordance with applicable standards, ensure optimization system terms efficiency fire calculate mechanical stress rooftop. Unfortunately,...
Abstract Ca 2 PdGe 3 and PtGe are prepared by arc melting of stoichiometric amounts Pd or Pt with Ge subsequent addition excess (Al O crucible in quartz ampoule, 880 °C, 12 h, ≈50 kPa Ar).