Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Spataru, Catalin D."'
Autor:
Spataru, Catalin D., Léonard, François
Motivated by recent experimental results we calculate from first-principles the lifetime of low-energy quasiparticles in bilayer graphene (BLG). We take into account the scattering rate arising from electron-electron interactions within the $GW$ appr
Externí odkaz:
http://arxiv.org/abs/2309.04048
Autor:
Robinson, Donald A., Foster, Michael E., Bennett, Christopher H., Bhandarkar, Austin, Webster, Elizabeth R., Celebi, Aleyna, Celebi, Nisa, Fuller, Elliot J., Stavila, Vitalie, Spataru, Catalin D., Ashby, David S., Marinella, Matthew J., Krishnakumar, Raga, Allendorf, Mark D., Talin, A. Alec
Emerging concepts for neuromorphic computing, bioelectronics, and brain-computer interfacing inspire new research avenues aimed at understanding the relationship between oxidation state and conductivity in unexplored materials. Here, we present ruthe
Externí odkaz:
http://arxiv.org/abs/2207.07756
Autor:
Spataru, Catalin D., Léonard, François
Publikováno v:
Physical Review B 103, 134512 (2021)
Single-photon detectors have typically consisted of macroscopic materials where both the photon absorption and transduction to an electrical signal happen. Newly proposed designs suggest that large arrays of nanoscale detectors could provide improved
Externí odkaz:
http://arxiv.org/abs/2104.00874
Autor:
Spataru, Catalin D., Léonard, François
Publikováno v:
Phys. Rev. Research 1, 013018 (2019)
Single photon detectors have historically consisted of macroscopic-sized materials but recent experimental and theoretical progress suggests new approaches based on nanoscale and molecular electronics. Here we present a theoretical study of photodete
Externí odkaz:
http://arxiv.org/abs/1908.02342
Autor:
Kunakova, Gunta, Galletti, Luca, Charpentier, Sophie, Andzane, Jana, Erts, Donats, Leonard, Francois, Spataru, Catalin D., Bauch, Thilo, Lombardi, Floriana
Publikováno v:
Nanoscale 2018, 10, 19595
Many applications for topological insulators (TIs) as well as new phenomena require devices with reduced dimensions. While much progress has been made to realize thin films of TIs with low bulk carrier density, nanostructures have not yet been report
Externí odkaz:
http://arxiv.org/abs/1903.09541
Publikováno v:
Appl. Phys. Lett. 114, 011903 (2019)
We report a theoretical study of the structural, electronic and optical properties of hBN-AlN superlattice heterostructures (SL) using a first-principles approach based on standard and hybrid Density Functional Theory. We consider short-period ($L<10
Externí odkaz:
http://arxiv.org/abs/1812.07188
Publikováno v:
APL Materials 7, 013202 (2019)
Half-Heusler alloys such as the (Zr,Hf)NiSn intermetallic compounds are important thermoelectric materials for converting waste heat into electricity. Reduced electrical resistivity at the hot interface between the half-Heusler material and a metal c
Externí odkaz:
http://arxiv.org/abs/1812.07189
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Publikováno v:
Physical Review MATERIALS 2, 065401 (2018)
Half-Heusler(HH) alloys have shown promising thermoelectric properties in the medium and high temperature range. To harness these material properties for thermoelectric applications, it is important to realize electrical contacts with low electrical
Externí odkaz:
http://arxiv.org/abs/1806.01375
Publikováno v:
Nano Letters, 17, 7809 (2017)
Bilayer van der Waals (vdW) heterostructures such as MoS2/WS2 and MoSe2/WSe2 have attracted much attention recently, particularly because of their type II band alignments and the formation of interlayer exciton as the lowest-energy excitonic state. I
Externí odkaz:
http://arxiv.org/abs/1712.04860