Petr Levinský
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View article: Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor
Accelerated Discovery of Crystalline Materials with Record Ultralow Lattice Thermal Conductivity via a Universal Descriptor Open
Ultralow glass-like lattice thermal conductivity in crystalline materials is crucial for enhancing energy conversion efficiency in thermoelectrics and thermal insulators. We introduce a universal descriptor for thermal conductivity that re…
View article: The Preparation and Properties of Polycrystalline Bi2O2Se—Pitfalls in Reproducibility and Charge-Transport Limiting Factors
The Preparation and Properties of Polycrystalline Bi2O2Se—Pitfalls in Reproducibility and Charge-Transport Limiting Factors Open
Thermoelectric materials enable the direct conversion of heat into electricity, but progress is often limited by challenges in reproducibility and stability. Bi2O2Se has recently attracted attention as a promising candidate; however, repor…
View article: Thermoelectric efficiency enhancement in ScN-based multilayers by Nb diffusion-driven doping
Thermoelectric efficiency enhancement in ScN-based multilayers by Nb diffusion-driven doping Open
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View article: Mechanochemically Synthesized Skinnerite Cu3SbS3 and Wittichenite Cu3BiS3 Nanocrystals and Their Promising Thermoelectric Properties
Mechanochemically Synthesized Skinnerite Cu3SbS3 and Wittichenite Cu3BiS3 Nanocrystals and Their Promising Thermoelectric Properties Open
The thermoelectric properties of skinnerite Cu3SbS3 and wittichenite Cu3BiS3 prepared by mechanochemical synthesis in a planetary ball mill from elemental precursors were investigated for the first time. X-ray diffraction (XRD) analysis of…
View article: Lithium Intercalation in the Anisotropic van der Waals Magnetic Semiconductor CrSBr
Lithium Intercalation in the Anisotropic van der Waals Magnetic Semiconductor CrSBr Open
Alkali metal intercalation is an important strategy for doping van der Waals materials. Lithium, in particular, was shown to achieve exceptional charge carrier densities, reaching levels at which fundamental electrical, optical, and magnet…
View article: Demonstrating the quasilocalized nature of the Sn impurity states in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">B</mml:mi><mml:msub><mml:mi mathvariant="normal">i</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">T</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>Se</mml:mi></mml:mrow></mml:math>
Demonstrating the quasilocalized nature of the Sn impurity states in Open
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View article: Phonon properties and unconventional heat transfer in quasi-2D $Bi_2O_2Se$ crystal
Phonon properties and unconventional heat transfer in quasi-2D $Bi_2O_2Se$ crystal Open
Bi2O2Se belongs to a group of quasi-2D semiconductors that can replace silicon in future high-speed/low-power electronics. However, the correlation between crystal/band structure and other physical properties still eludes understanding: ca…
View article: Mn-doping reveals a thermal gap and natural p-type conductivity in Bi <sub>2</sub> O <sub>2</sub> Se
Mn-doping reveals a thermal gap and natural p-type conductivity in Bi <sub>2</sub> O <sub>2</sub> Se Open
Mn doping shifts the Fermi level towards the valence band, transforming the conductivity of Bi 2 O 2 Se from n-type to p-type and enabling its intrinsic thermal gap to be determined for the first time.
View article: Improving Thermoelectric Efficiency of Multilayer Scn Films by Nb Doping
Improving Thermoelectric Efficiency of Multilayer Scn Films by Nb Doping Open
View article: Enhancing thermoelectric properties of ScN films through twin domains
Enhancing thermoelectric properties of ScN films through twin domains Open
Tailoring thermoelectric properties of ScN-based materials is of vital importance for their application, particularly at high operating temperatures. Here, we report on the thermoelectric properties of the ScN layers deposited on MgO (001)…
View article: Thermoelectric Characteristics of β-Ag2Se1+x Prepared via a Combined Rapid Mechano-Thermal Approach
Thermoelectric Characteristics of β-Ag2Se1+x Prepared via a Combined Rapid Mechano-Thermal Approach Open
This study investigates the thermoelectric properties of Se-rich β-Ag2Se synthesized via a mechanochemical method followed by spark plasma sintering (SPS) in less than 30 min of the total reaction time. Importantly, only a short 10 min mil…
View article: Influence of Sn<sub>Bi</sub> Antisite Defects on the Electronic Band Structure and Transport Properties of the Layered Chalcogenide Semiconductor SnBi<sub>2</sub>Te<sub>4</sub>
Influence of Sn<sub>Bi</sub> Antisite Defects on the Electronic Band Structure and Transport Properties of the Layered Chalcogenide Semiconductor SnBi<sub>2</sub>Te<sub>4</sub> Open
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View article: AsTe3: A novel crystalline semiconductor with ultralow thermal conductivity obtained by congruent crystallization from parent glass
AsTe3: A novel crystalline semiconductor with ultralow thermal conductivity obtained by congruent crystallization from parent glass Open
View article: Influence of Cationic Ordering on the Lattice Dynamics of Monoclinic Cu<sub>5</sub>Sn<sub>2</sub>S<sub>7</sub> and Cubic Cu<sub>5</sub>Sn<sub>2</sub>S<sub>6.65</sub>Cl<sub>0.35</sub> Sulfides
Influence of Cationic Ordering on the Lattice Dynamics of Monoclinic Cu<sub>5</sub>Sn<sub>2</sub>S<sub>7</sub> and Cubic Cu<sub>5</sub>Sn<sub>2</sub>S<sub>6.65</sub>Cl<sub>0.35</sub> Sulfides Open
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View article: Transport properties of mechanochemically synthesized copper (I) selenide for potential applications in energy conversion and storage
Transport properties of mechanochemically synthesized copper (I) selenide for potential applications in energy conversion and storage Open
This work studied the thermal stability, electrical, and thermoelectrical properties of copper(I) selenide, Cu 2 Se synthesized by high-energy milling in a planetary ball mill. The phase composition was investigated by X-ray powder diffrac…
View article: Anderson Localization of Phonons in Thermally Superinsulating Graphene Aerogels with Metal‐Like Electrical Conductivity
Anderson Localization of Phonons in Thermally Superinsulating Graphene Aerogels with Metal‐Like Electrical Conductivity Open
In the quest to improve energy efficiency and design better thermal insulators, various engineering strategies have been extensively investigated to minimize heat transfer through a material. Yet, the suppression of thermal transport in a …
View article: Mechanochemical preparation of nanocrystalline stannite/chatkalite composite: kinetics of synthesis and thermoelectric properties
Mechanochemical preparation of nanocrystalline stannite/chatkalite composite: kinetics of synthesis and thermoelectric properties Open
In this study we demonstrate the use of Cu, Fe, Sn and S elemental precursors to synthesize chatkalite/stannite nanocomposite by high-energy milling in both lab-scale and industrial-scale mills. The products were characterized by XRD, SEM,…
View article: Aste3: A Novel Crystalline Semiconductor with Ultralow Thermal Conductivity Obtained by Congruent Crystallization from Parent Glass
Aste3: A Novel Crystalline Semiconductor with Ultralow Thermal Conductivity Obtained by Congruent Crystallization from Parent Glass Open
View article: Properties of Mechanochemically Synthesized Famatinite Cu3SbS4 Nanocrystals
Properties of Mechanochemically Synthesized Famatinite Cu3SbS4 Nanocrystals Open
In this study, we report the optoelectric and thermoelectric properties of famatinite Cu3SbS4 that was mechanochemically synthesized in a planetary mill from powder elements for 120 min in an inert atmosphere. The tetragonal famatinite Cu3…
View article: Controlling Defect Chemistry in InTe by Saturation Annealing
Controlling Defect Chemistry in InTe by Saturation Annealing Open
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View article: Achieving High Thermoelectric Performance in Mixed Natural‐Synthetic Tetrahedrites
Achieving High Thermoelectric Performance in Mixed Natural‐Synthetic Tetrahedrites Open
Tetrahedrites, a class of naturally‐occurring sulfosalts, recently emerged as interesting thermoelectric materials due to their semiconducting electronic properties combined with glass‐like thermal transport. Here, we demonstrate that the …
View article: Influence of In-induced resonant level on the normal-state and superconducting properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Sn</mml:mi><mml:mrow><mml:mn>1.03</mml:mn></mml:mrow></mml:msub><mml:mi>Te</mml:mi></mml:mrow></mml:math>
Influence of In-induced resonant level on the normal-state and superconducting properties of Open
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View article: Mechanochemical Preparation of Nanocrystalline Stannite/Chatkalite Composite: Kinetics of Synthesis and Thermoelectric Properties
Mechanochemical Preparation of Nanocrystalline Stannite/Chatkalite Composite: Kinetics of Synthesis and Thermoelectric Properties Open
View article: Heat Capacity and Thermal Conductivity of Cdcr2se4 Ferromagnet: Magnetic Field Dependence, Experiment and Calculations
Heat Capacity and Thermal Conductivity of Cdcr2se4 Ferromagnet: Magnetic Field Dependence, Experiment and Calculations Open
View article: High temperature thermoelectric properties of the tetradymite Bi2−<i>x</i>Pb<i>x</i>Te2Se (0 ≤ <i>x</i> ≤ 0.03)
High temperature thermoelectric properties of the tetradymite Bi2−<i>x</i>Pb<i>x</i>Te2Se (0 ≤ <i>x</i> ≤ 0.03) Open
We report on the synthesis, characterizations, and high-temperature thermoelectric properties of polycrystalline samples of Bi2−xPbxTe2Se for 0 ≤ x ≤ 0.03. Powder x-ray diffraction and scanning electron microscopy confirm the successful in…
View article: Mechanochemistry for Energy Materials: Impact of High‐Energy Milling on Chemical, Electric and Thermal Transport Properties of Chalcopyrite CuFeS<sub>2</sub> Nanoparticles
Mechanochemistry for Energy Materials: Impact of High‐Energy Milling on Chemical, Electric and Thermal Transport Properties of Chalcopyrite CuFeS<sub>2</sub> Nanoparticles Open
Chalcopyrite CuFeS 2 , a semiconductor with applications in chemical sector and energy conversion engineering, was synthetized in a planetary mill from elemental precursors. The synthesis is environmentally friendly, waste‐free and inexpen…
View article: CSD 2076408: Experimental Crystal Structure Determination
CSD 2076408: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Thermoelectric Cu–S-Based Materials Synthesized via a Scalable Mechanochemical Process
Thermoelectric Cu–S-Based Materials Synthesized via a Scalable Mechanochemical Process Open
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View article: Tl<sub>0.6</sub>Mo<sub>3</sub>S<sub>5</sub>, an original large tunnel-like molybdenum sulfide with Mo zigzag chains and disordered Tl cations
Tl<sub>0.6</sub>Mo<sub>3</sub>S<sub>5</sub>, an original large tunnel-like molybdenum sulfide with Mo zigzag chains and disordered Tl cations Open
A novel family of tunnel-like molybdenum sulfide is presented. Strongly disordered Tl cations residing in the large tunnels influence significantly the thermal transport.
View article: Enhanced thermoelectric performance of InTe through Pb doping
Enhanced thermoelectric performance of InTe through Pb doping Open
Pb alloying in InTe leads to decreased hole concentration and lattice thermal conductivity, and hence, to higher thermoelectric performance.