Search Results - "Lefèvre, Robin"

A Heavy Fermion Zn-Deficient CaBe2Ge2‑Type Phase with Rare Ce-Based Ferromagnetism and Large Magnetoresistance by Lefèvre, Robin, von Rohr, Fabian O

“…We report on the hitherto unknown compound CeZn2−δGe2 (δ ≈ 0.41). We find that this compound crystallizes in a defect version of the well-known CaBe2Ge2…”
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Group‑9 Transition-Metal Suboxides Adopting the Filled-Ti2Ni Structure: A Class of Superconductors Exhibiting Exceptionally High Upper Critical Fields by Ma, KeYuan, Lefèvre, Robin, Gornicka, Karolina, Jeschke, Harald O, Zhang, Xiaofu, Guguchia, Zurab, Klimczuk, Tomasz, von Rohr, Fabian O

“…Ti2Ni and the related η-carbide structure are known to exhibit various intriguing physical properties. The Ti2Ni structure with the cubic space group Fd3̅m is…”
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New Phases in the Sc−Mn−Si and Sc−Mn−Al−Si Systems Through Molten Indium Flux Synthesis by Lefèvre, Robin, Eder, Felix, Rohr, Fabian O.

“…Through the application of synthesis via molten indium flux, we have been able to expand the ternary Sc−Mn−Si system and the quaternary Sc−Mn−Al−Si system…”
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Superconductivity with High Upper Critical Field in the Cubic Centrosymmetric η-Carbide Nb4Rh2C1-δ by Ma, KeYuan, Gornicka, Karolina, Lefèvre, Robin, Yang, Yikai, Rønnow, Henrik M, Jeschke, Harald O, Klimczuk, Tomasz, von Rohr, Fabian O

“…The upper critical field is a fundamental measure of the strength of superconductivity in a material. It is also a cornerstone for the realization of…”
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Synthetic control over polymorph formation in the d-band semiconductor system FeS2 by Ma, KeYuan, Lefèvre, Robin, Li, Qingtian, Lago, Jorge, Blacque, Olivier, Yang, Wanli, von Rohr, Fabian O

“…Pyrite, also known as fool's gold is the thermodynamic stable polymorph of FeS2. It is widely considered as a promising d-band semiconductor for various…”
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Polar Transition-Metal Chalcogenide: Structure and Properties of the New Pseudo-Hollandite Ba0.5Cr5Se8 by Lefèvre, Robin, Berthebaud, David, Perez, Olivier, Pelloquin, Denis, Hébert, Sylvie, Gascoin, Franck

“…Single crystals of the new ternary selenide Ba0.5Cr5Se8 were synthesized using a self-flux method in fused silica tubes. This new phase was first considered to…”
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Thermoelectric Properties of Highly-Crystallized Ge-Te-Se Glasses Doped with Cu/Bi by Srinivasan, Bhuvanesh, Boussard-Pledel, Catherine, Dorcet, Vincent, Samanta, Manisha, Biswas, Kanishka, Lefèvre, Robin, Gascoin, Franck, Cheviré, François, Tricot, Sylvain, Reece, Michael, Bureau, Bruno

“…Chalcogenide semiconducting systems are of growing interest for mid-temperature range (~500 K) thermoelectric applications. In this work, Ge Te Se₃ glasses…”
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Substitution of indium for chromium in TlIn5-xCrxSe8 crystal structure of TlIn4.811(5)Cr0.189(5)Se8 by Lefevre, Robin, Berthebaud, David, Gascoin, Franck

“…The new thallium penta(indium/chromium) octaselenide, TlIn4.811(5)Cr0.189(5)Se8, has been synthesized by solid-state reaction. It crystallizes isotypically…”
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A Heavy Fermion Zn-Deficient CaBe 2 Ge 2 -Type Phase with Rare Ce-Based Ferromagnetism and Large Magnetoresistance by Lefèvre, Robin, von Rohr, Fabian O.

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Synthetic control over polymorph formation in the d-band semiconductor system FeS 2 by Ma, KeYuan, Lefèvre, Robin, Li, Qingtian, Lago, Jorge, Blacque, Olivier, Yang, Wanli, von Rohr, Fabian O.

“…Pyrite, also known as fool's gold is the thermodynamic stable polymorph of FeS 2 . It is widely considered as a promising d-band semiconductor for various…”
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Group-9 Transition-Metal Suboxides Adopting the Filled-Ti 2 Ni Structure: A Class of Superconductors Exhibiting Exceptionally High Upper Critical Fields by Ma, KeYuan, Lefèvre, Robin, Gornicka, Karolina, Jeschke, Harald O., Zhang, Xiaofu, Guguchia, Zurab, Klimczuk, Tomasz, von Rohr, Fabian O.

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Ultra-low thermal conductivity of TlIn5Se8 and structure of the new complex chalcogenide Tl0.98In13.12Se16.7Te2.3 by Lefèvre, Robin, Berthebaud, David, Pérez, Olivier, Pelloquin, Denis, Boudin, Sophie, Gascoin, Franck

“…TlIn5Se8 has been synthesized by means of solid-state reaction and densified by Spark Plasma Sintering. The compound is a semiconductor with a band gap of…”
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Ultra-low thermal conductivity of TlIn 5 Se 8 and structure of the new complex chalcogenide Tl 0.98 In 13.12 Se 16.7 Te 2.3 by Lefèvre, Robin, Berthebaud, David, Pérez, Olivier, Pelloquin, Denis, Boudin, Sophie, Gascoin, Franck

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Polar Transition-Metal Chalcogenide: Structure and Properties of the New Pseudo-Hollandite Ba 0.5 Cr 5 Se 8 by Lefèvre, Robin, Berthebaud, David, Perez, Olivier, Pelloquin, Denis, Hébert, Sylvie, Gascoin, Franck

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Substitution of indium for chromium in TlIn 5- x Cr x Se 8 : crystal structure of TlIn 4.811(5) Cr 0.189(5) Se 8 by Lefèvre, Robin, Berthebaud, David, Gascoin, Franck

“…The new thallium penta-(indium/chromium) octa-selenide, TlIn Cr Se , has been synthesized by solid-state reaction. It crystallizes isotypically with TlIn Se in…”
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Substitution of indium for chromium in TlIn5-x Cr x Se8: crystal structure of TlIn4.811(5)Cr0.189(5)Se8 by Lefèvre, Robin, Berthebaud, David, Gascoin, Franck

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Superconductivity with High Upper Critical Field in the Cubic Centrosymmetric η-Carbide Nb 4 Rh 2 C 1-δ by Ma, KeYuan, Gornicka, Karolina, Lefèvre, Robin, Yang, Yikai, Rønnow, Henrik M, Jeschke, Harald O, Klimczuk, Tomasz, von Rohr, Fabian O

“…The upper critical field is a fundamental measure of the strength of superconductivity in a material. It is also a cornerstone for the realization of…”
Get full text

Synthetic control over polymorph formation in the d-band semiconductor system FeS by Ma, KeYuan, Lefèvre, Robin, Li, Qingtian, Lago, Jorge, Blacque, Olivier, Yang, Wanli, von Rohr, Fabian O

“…Pyrite, also known as fool's gold is the thermodynamic stable polymorph of FeS 2 . It is widely considered as a promising d-band semiconductor for various…”
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A Heavy-Fermion Zn-deficient CaBe2Ge2-Type Phase with Rare Ce-based Ferromagnetism and Large Magnetoresistance by Lefèvre, Robin, von Rohr, Fabian O

“…Chemistry of Materials 2022 34,5 2352-2360 We report on the hitherto unknown compound CeZn2-dGe2 (d approx 0.41). We find this compound to crystallize in a…”
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Ultra-low thermal conductivity of Tl0.98In5Se8 and structure of the new complex chalcogenide Tl0.98In13.12Se16.7Te2.3 by Lefevre, Robin, Berthebaud, David, Perez, Olivier, Pelloquin, Denis, Boudin, Sophie, Gascoin, Franck

“…TlIn5Se8 has been synthesized by means of solid-state reaction and densified by Spark Plasma Sintering. The compound is a semiconductor with a band gap of 1.62…”
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