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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Bremholm, Martin
Aarhus University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2024Weyl semimetallic phase in high pressure CrSb 2 and structural compression studies of its high pressure polymorphs
- 2024In-situ X-ray diffraction study of Nb-doped $Bi_2Se_3$ crystal growth revealing unavoidable misfit layer compoundcitations
- 2024Weyl semimetallic phase in high pressure CrSb$_2$ and structural compression studies of its high pressure polymorphs
- 2024In-situ X-ray diffraction study of Nb-doped Bi2Se3 crystal growth revealing unavoidable misfit layer compoundcitations
- 2024Weyl semimetallic phase in high pressure CrSb2 and structural compression studies of its high pressure polymorphs
- 2024In-situ X-ray diffraction study of Nb-doped Bi 2 Se 3 crystal growth revealing unavoidable misfit layer compoundcitations
- 2023Surface properties of 1T-TaS2 and contrasting its electron-phonon coupling with TlBiTe2 from helium atom scatteringcitations
- 2023Deciphering the role of water in promoting the optoelectronic performance of surface-engineered lead halide perovskite nanocrystalscitations
- 2023Deciphering the Role of Water in Promoting the Optoelectronic Performance of Surface-Engineered Lead Halide Perovskite Nanocrystalscitations
- 2023Temperature-Dependent Evolution of the Structural and Optoelectronic Properties of (NH 4 ) 3 Sb 2 I 9 Single Crystals
- 2023Temperature-Dependent Evolution of the Structural and Optoelectronic Properties of (NH4)3Sb2I9 Single Crystals
- 2023Surface properties of 1T-TaS 2 and contrasting its electron-phonon coupling with TlBiTe 2 from helium atom scattering.citations
- 2021Local structure of Nb in superconducting Nb-doped Bi 2 Se 3citations
- 2021High pressure structure studies of three SrGeO3 polymorphs – Amorphization under pressurecitations
- 2019General Solvothermal Synthesis Method for Complete Solubility Range Bimetallic and High-Entropy Alloy Nanocatalystscitations
- 2017In Situ PDF Study of the Nucleation and Growth of Intermetallic PtPb Nanocrystalscitations
- 2017In Situ PDF Study of the Nucleation and Growth of Intermetallic PtPb Nanocrystalscitations
- 2017In Situ PDF Study of the Nucleation and Growth of Intermetallic PtPb Nanocrystalscitations
- 2017Electron-phonon coupling and surface Debye temperature of Bi2Te3(111) from helium atom scatteringcitations
- 2017Electron-phonon coupling and surface Debye temperature of Bi2Te3(111) from helium atom scatteringcitations
- 2017Quasi-one-dimensional metallic band dispersion in the commensurate charge density wave of 1T-TaS2citations
- 2017Supercritical flow synthesis of Pt1-xRux nanoparticles: comparative phase diagram study of nanostructure versus bulkcitations
- 2016Towards atomistic understanding of polymorphism in the solvothermal synthesis of ZrO 2 nanoparticlescitations
- 2016Towards atomistic understanding of polymorphism in the solvothermal synthesis of ZrO2 nanoparticlescitations
- 2015High pressure synthesis of BiS2
- 2015High pressure synthesis of bismuth disulfide
- 2015A Novel Dual-Stage Hydrothermal Flow Reactor
Places of action
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article
In-situ X-ray diffraction study of Nb-doped Bi2Se3 crystal growth revealing unavoidable misfit layer compound
Abstract
<p>Temperature-resolved in-situ powder X-ray diffraction (PXRD) experiments were performed during synthesis of Nb-doped Bi<sub>2</sub>Se<sub>3</sub> to gain important insights into the phase formation. The crystallization of phases upon heating the pure elements with the nominal composition of Nb<sub>0.25</sub>Bi<sub>2</sub>Se<sub>3</sub>, displays the formation of a misfit layer compound, (BiSe)<sub>1.1</sub>NbSe<sub>2</sub>, as a secondary phase. It was also discovered that a misfit-related intermediate phase appears right before Bi<sub>2</sub>Se<sub>3</sub> melts and then misfit (BiSe)<sub>1.1</sub>NbSe<sub>2</sub> crystallizes. This implies that to prevent the formation of the misfit phase, the synthesis temperature should remain well below the melting point of Bi<sub>2</sub>Se<sub>3</sub>. Powder samples of Nb-doped Bi<sub>2</sub>Se<sub>3</sub>, synthesized at 600 and 650 <sup>∘</sup>C, aimed for this, however, they all displayed traces of the misfit phase. Additionally, multiple superconducting transitions were observed as non-quenched samples showed signs of NbSe<sub>2</sub>, which were removed by quenching the samples. This study has important implications for the synthesis and properties of Nb-doped Bi<sub>2</sub>Se<sub>3</sub>, towards the realization of topological superconductors.</p>