English
Related papers

Related papers: Charge-carrier complexes in monolayer semiconducto…

200 papers

Monolayer transition metal dichalcogenides (1L-TMDs) have tremendous potential as atomically thin, direct bandgap semiconductors that can be used as convenient building blocks for quantum photonic devices. However, the short exciton…

We discuss neutral and charged complexes (biexciton and trion) formed by indirect excitons in layered quasi-two-dimensional semiconductor heterostructures. Indirect excitons -- long-lived neutral Coulomb-bound pairs of electrons and holes…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Igor V. Bondarev , Maria R. Vladimirova

The optical properties of atomically thin transition metal dichalcogenide (TMDC) semiconductors are shaped by the emergence of correlated many-body complexes due to strong Coulomb interaction. Exceptional electron-hole exchange predestines…

We discuss the charge carrier dynamics of the heavy-fermion compound CeCoIn$_5$ in the metallic regime measured by means of quasi-optical THz spectroscopy. The transmittance of electromagnetic radiation through a CeCoIn$_5$ thin film on a…

Atomically thin semiconducting transition-metal dichalcogenides provide novel insights into the physics of many-body effects mediated by Coulomb interactions. Here, we report on temperature-dependent ($T$ = 7-295 K) reflectance contrast and…

Mesoscale and Nanoscale Physics · Physics 2016-12-14 J. Jadczak , J. Kutrowska-Girzycka , P. Kapuscinski , J. Debus , D. Kudlacik , D. Schmidt , Y. S. Huang , M. Bayer , L. Bryja

Recent experimental progresses have demonstrated the great potential of electronic and excitonic moir\'e superlattices in transition metal dichalcogenides (TMDs) for quantum many-body simulations and quantum optics applications. Here we…

Mesoscale and Nanoscale Physics · Physics 2020-12-22 Qingjun Tong , Mingxing Chen , Feiping Xiao , Hongyi Yu , Wang Yao

We present real-time observations by confocal microscopy of the dynamic behavior of multilamellar vesicles (MLVs), composed of charged synthetic lipids, when put in contact with oppositely charged polyelectrolyte (PE) molecules. We find…

Soft Condensed Matter · Physics 2007-10-01 Yuxia Luan , Laurence Ramos

Charge multiplication (CM) in p$^+$n epitaxial silicon pad diodes of 75, 100 and 150 $\upmu$m thickness at high voltages after proton irradiation with 1 MeV neutron equivalent fluences in the order of $10^{16}$ cm$^{-2}$ was studied as an…

Instrumentation and Detectors · Physics 2014-11-21 Jörn Lange , Julian Becker , Eckhart Fretwurst , Robert Klanner , Gunnar Lindström

We examine the excitonic properties of layered configurations of low dimensional transition metal dichalcogenides (LTMDCs) using the fractional dimensional space approach. The binding energies of the exciton, trion and biexciton in LTMDCs…

Materials Science · Physics 2015-06-22 A. Thilagam

The optical properties of semiconducting transition metal dichalcogenides are dominated by both neutral excitons (electron-hole pairs) and charged excitons (trions) that are stable even at room temperature. While trions directly influence…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 Kai Hao , Lixiang Xu , Philipp Nagler , Akshay Singh , Kha Tran , Chandriker Kavir Dass , Christian Schüller , Tobias Korn , Xiaoqin Li , Galan Moody

Electrons in one-dimension display the unusual property of separating their spin and charge into two independent entities: The first, which derive from uncharged spin-1/2 electrons, can travel at different velocities when compared with the…

Strongly Correlated Electrons · Physics 2012-09-26 Daniel Vieira

Wide quantum dots were fabricated from multiple quantum well structures based on Zn_{1-x}Mn_xTe/ZnTe (x = 0.076) dilute magnetic semiconductors and were investigated via photoluminescence (PL) in a magnetic field. Calculations taking into…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Ivan J. Griffin , Peter J. Klar , Daniel Wolverson , J. John Davies , Bernard Lunn , Duncan E. Ashenford , Torsten Henning

Large-area PhotoMultiplier Tubes (PMT) allow to efficiently instrument Liquid Scintillator (LS) neutrino detectors, where large target masses are pivotal to compensate for neutrinos' extremely elusive nature. Depending on the detector light…

In this work we prob a class of neutrino mass models at both Large Hadron Collider (LHC) energies 8 TeV and 14 TeV. The focus will be on the new introduced interaction terms between a singlet charged scalar, $S^{\pm}$, and leptons leading…

High Energy Physics - Phenomenology · Physics 2016-11-23 Chahrazed Guella , Dounia Cherigui , Amine Ahriche , Salah Nasri , Rachik Soualah

Neutrino oscillations have been established in solar and atmospheric neutrinos, but a third signal from the LSND experiment is incompatible with three Standard Model neutrinos. The MiniBooNE experiment can confirm or refute the LSND signal…

High Energy Physics - Experiment · Physics 2015-06-25 J. Monroe

Charged magneto-excitons X- in a dilute 2D electron gas in narrow and symmetric quantum wells are studied using exact diagonalization techniques. An excited triplet X- state with a binding energy of about 1 meV is found. This state and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Arkadiusz Wojs , John J. Quinn , Pawel Hawrylak

The formation of inter-polyelectrolyte complexes from the association of oppositely charged polymers in an electrolyte is studied. The charged polymers are linear oppositely charged polyelectrolytes, with possibly a neutral block. This…

Soft Condensed Matter · Physics 2012-06-27 Vladimir A. Baulin , Emmanuel Trizac

We report on the non-trivial field dependence of charge carrier recombination in an organic blend at low temperatures. A new microwave resonance technique for monitoring charge recombination in organic semiconductors at low temperatures is…

Mesoscale and Nanoscale Physics · Physics 2015-09-09 S. Athanasopoulos , N. C. Greenham , R. H. Friend , A. D. Chepelianskii

The theory of heavy ion single charge exchange reactions is reformulated. In momentum space the reaction amplitude factorizes into a product of projectile and target transition form factors, folded with the nucleon-nucleon isovector…

Nuclear Theory · Physics 2018-10-31 Horst Lenske , Jessica I. Bellone , Maria Colonna , Jose-Antonio Lay

A multiscale simulation approach is developed to simulate the contact transport properties between semimetal to a monolayer two-dimensional (2D) transition metal dichalcogenide (TMDC) semiconductor. The results elucidate the mechanisms for…

Mesoscale and Nanoscale Physics · Physics 2022-07-14 Tong Wu , Jing Guo