Results 121 to 130 of about 135,446 (298)

Steady-State and Ultrafast Fluorescence Depolarisation in Rigid-Rod Conjugated Polymers [PDF]

open access: yes, 2010
Polarised spectroscopic techniques were used to investigate the underlying physics of steady-state and ultrafast fluorescence depolarisation in conjugated polymers.
Vaughan, Helen Louise   +1 more
core  

In Situ Lithium Nitridosilicate Interlayer via Reactive Anolyte Design for All‐Solid‐State Silicon Anodes

open access: yesAdvanced Materials, EarlyView.
Interfacial reactions in all‐solid‐state batteries are conventionally suppressed; here, they are designed. Vacancy‐rich β‐Li3N, acting as an anolyte, reacts controllably with silicon during composite anode fabrication, building a purpose‐made lithium nitridosilicate interlayer on every particle surface.
Tongtai Ji   +9 more
wiley   +1 more source

New phenomena in interaction of intense ultrashort light pulses with transparent materials: from 3D self-assembled nanostructures to quill writing and nonreciprocal photosensitivity

open access: yes, 2010
Interaction of intense ulrashort light pulses with transparent materials reveal new ultrafast phenomena. Recent demonstrations of 3D nanoripple formation, ultrafast laser calligraphy and nonreciprocal photosensitivity are ...
Kazansky, P.G.   +4 more
core   +1 more source

Spin Transport Across Interfaces With the Non‐Collinear Antiferromagnet Mn3Sn

open access: yesAdvanced Materials, EarlyView.
We study spin transport with Mn3Sn|Metal${\rm Mn}_3{\rm Sn}\vert{\rm Metal}$ heterostructures. For Mn3Sn|Pt${\rm Mn}_3{\rm Sn}\vert{\rm Pt}$ heterostructures, ultrafast spin current generation by optical pumping of Mn3Sn${\rm Mn}_3{\rm Sn}$ is explored, while for Mn3Sn|NiFe${\rm Mn}_3{\rm Sn}\vert{\rm NiFe}$ heterostructures, we probe the spin–charge ...
Paul A. Marschall   +8 more
wiley   +1 more source

Ultrashort pulse biphoton source in lithium niobate nanophotonics at 2 μm

open access: yesNanophotonics
Photonics offers unique capabilities for quantum information processing (QIP) such as room-temperature operation, the scalability of nanophotonics, and access to ultrabroad bandwidths and consequently ultrafast operation.
Williams James   +6 more
doaj   +1 more source

Trapping cold atoms with ultrafast laser pulses [PDF]

open access: yes, 2008
The aim of this research is to pave the way for making a trap for cold neutral atoms based on the force generated by pulses of a mode-locked laser.
Karssen, L.C.   +2 more
core   +1 more source

Strong Coupling in Bulk Nanoplasmonic Nanoplatelet Perovskite Scintillators

open access: yesAdvanced Materials, EarlyView.
A bulk scintillating nanocomposite is engineered from CsPbBr3 nanoplatelets and Ag nanocubes to support exciton–plasmon strong coupling under X‐ray excitation. The resulting hybrid polaritonic states appear directly in radioluminescence, opening a route toward polariton‐enabled scintillator design beyond conventional Purcell enhancement.
Michal Makowski   +13 more
wiley   +1 more source

Ultrafast Excited State Dynamics of a Verdazyl Diradical System

open access: yesPhotochem
While the photophysics of closed-shell organic molecules is well established, much less is known about open-shell systems containing interacting radical pairs.
Caitlyn Clark   +3 more
doaj   +1 more source

Single‐Particle FRET Probes Heterogeneity in the Ligand Shell of Colloidal Perovskite Quantum Dots

open access: yesAdvanced Materials, EarlyView.
Single‐particle, single‐molecule Förster resonance energy transfer turns dye‐tagged ligands into nanorulers for the otherwise elusive organic shell of CsPbBr3 quantum dots. Distance variations within individual particles reveal pronounced local heterogeneity, while changes in the surrounding ligand chemistry shift the average dye–surface separation ...
Leon G. Feld   +6 more
wiley   +1 more source

Centre for Atom Optics and Ultrafast Spectroscopy Research Report 2001

open access: yes, 2002
Provides a summary of Centre for Atom Optics and Ultrafast Spectroscopy research reporting for ...
Centre for Atom Optics and Ultrafast Spectroscopy
core   +1 more source

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