Sivan Refaely-Abramson
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Explore the profile of Sivan Refaely-Abramson including associated specialties, affiliations and a list of published articles.
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32
Citations
427
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Recent Articles
1.
Kundu S, Amit T, Krishnamurthy H, Jain M, Refaely-Abramson S
NPJ Comput Mater
. 2024 Dec;
9(1):186.
PMID: 39649153
Moiré superlattices of transition metal dichalcogenide (TMD) heterostructures give rise to rich excitonic phenomena associated with the interlayer twist angle. Theoretical calculations of excitons in such systems are typically based...
2.
Arias D, Cohen G, Damrauer N, Refaely-Abramson S, Johnson J
J Chem Phys
. 2024 Sep;
161(9).
PMID: 39225519
Pentacene is an important model organic semiconductor in both the singlet exciton fission (SF) and organic electronics communities. We have investigated the effect of changing crystal structure on the SF...
3.
Cohen G, Haber J, Neaton J, Qiu D, Refaely-Abramson S
Phys Rev Lett
. 2024 Apr;
132(12):126902.
PMID: 38579218
Nonradiative exciton relaxation processes are critical for energy transduction and transport in optoelectronic materials, but how these processes are connected to the underlying crystal structure and the associated electron, exciton,...
4.
Hotger A, Manner W, Amit T, Hernangomez-Perez D, Taniguchi T, Watanabe K, et al.
Nano Lett
. 2023 Dec;
23(24):11655-11661.
PMID: 38054904
We report on the optical absorption characteristics of selectively positioned sulfur vacancies in monolayer MoS, as observed by photovoltage and photocurrent experiments in an atomistic vertical tunneling circuit at cryogenic...
5.
Hernangomez-Perez D, Kleiner A, Refaely-Abramson S
Nano Lett
. 2023 Jun;
23(13):5995-6001.
PMID: 37348129
Associating atomic vacancies to excited-state transport phenomena in two-dimensional semiconductors demands a detailed understanding of the exciton transitions involved. We study the effect of such defects on the electronic and...
6.
Barre E, Karni O, Liu E, OBeirne A, Chen X, B Ribeiro H, et al.
Science
. 2022 Apr;
376(6591):406-410.
PMID: 35446643
Interlayer excitons, electron-hole pairs bound across two monolayer van der Waals semiconductors, offer promising electrical tunability and localizability. Because such excitons display weak electron-hole overlap, most studies have examined only...
7.
Katznelson S, Cohn B, Sufrin S, Amit T, Mukherjee S, Kleiner V, et al.
Mater Horiz
. 2022 Jan;
9(3):1089-1098.
PMID: 35083477
2D-semiconductors with strong light-matter interaction are attractive materials for integrated and tunable optical devices. Here, we demonstrate room-temperature wavelength multiplexing of the two-primary bright excitonic channels (A-, B-) in monolayer...
8.
Evers F, Aharony A, Bar-Gill N, Entin-Wohlman O, Hedegard P, Hod O, et al.
Adv Mater
. 2022 Jan;
34(13):e2106629.
PMID: 35064943
A critical overview of the theory of the chirality-induced spin selectivity (CISS) effect, that is, phenomena in which the chirality of molecular species imparts significant spin selectivity to various electron...
9.
Altman A, Refaely-Abramson S, da Jornada F
J Phys Chem Lett
. 2022 Jan;
13(3):747-753.
PMID: 35029407
Organic molecular crystals are appealing for next-generation optoelectronic applications due to their multiexciton generation processes that can increase the efficiency of photovoltaic devices. However, a general understanding of how crystal...
10.
Maserati L, Refaely-Abramson S, Kastl C, Chen C, Borys N, Eisler C, et al.
Mater Horiz
. 2021 Nov;
8(1):197-208.
PMID: 34821298
Two-dimensional (2D) excitons arise from electron-hole confinement along one spatial dimension. Such excitations are often described in terms of Frenkel or Wannier limits according to the degree of exciton spatial...