Results 221 to 230 of about 16,712,159 (288)

Origin of Enhanced Efficiency and Reduced Roll‐Off in Organic Light‐Emitting Diodes Based on Pt(II) Complexes

open access: yesAdvanced Science, EarlyView.
Controlled Pt–Pt fine structure in square‐planar Pt(II) complexes governs metal–metal‐to‐ligand charge‐transfer (MMLCT) state formation, exciton dynamics, and organic light‐emitting diode performance. Short Pt–Pt contacts in Pt(fppz)2 enable coherent metal–metal coupling, sub‐microsecond emission and an external quantum efficiency of 29%, whereas ...
Atul Shukla   +15 more
wiley   +1 more source

From Sensing Mechanisms to System Co‐Design: Graphene‐Based Sensors and Readout Circuits

open access: yesAdvanced Science, EarlyView.
This review establishes a unified PS–EQ–RF framework linking graphene sensing mechanisms, native electrical outputs, and output‐specific readout circuits. Voltage‐, current‐, resistance‐, and capacitance‐type sensing systems are systematically classified to guide architecture selection, low‐noise design, system co‐design, and practical integration ...
Jinduo Zhang   +5 more
wiley   +1 more source

Attosecond high-harmonic interferometry probes orbital- and band-dependent dipole phase in magnesium oxide. [PDF]

open access: yesSci Adv
Kuzkova N   +6 more
europepmc   +1 more source

Plasma wave observations from Juno spacecraft at the Jovian bow shock. [PDF]

open access: yesNat Commun
Joseph J   +12 more
europepmc   +1 more source
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Harmonic imaging at high frequencies for IVUS

1999 IEEE Ultrasonics Symposium. Proceedings. International Symposium (Cat. No.99CH37027), 2003
The authors investigated the properties of harmonic fields at high frequencies. A 40 MHz focused broadband transducer was excited at 20 and 40 MHz. The response from 20 MHz was measured at 20 and 40 MHz. The response from 40 MHz was determined at 40 MHz.
van der Steen, Ton   +3 more
openaire   +2 more sources

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