Results 201 to 210 of about 2,890,960 (258)
Reconfigurable Ferroelectric‐Like Two‐Dimensional Electron Gas at Room Temperature
Advanced Materials, EarlyView.We demonstrate the realization of a novel ferroelectric‐like two‐dimensional electron gas (2DEG) based on the epitaxial interface between SrO‐terminate SrTiO3 and ferroeletric KNb0.5Na0.5O3${\rm KNb}_{0.5}{\rm Na}_{0.5}{\rm O}_3$ thin films. We show nonvolatile control of the transport properties enabling spatially reconfigurable devices in which ...
Martando Rath +16 more
wiley +1 more source
Advanced Materials, EarlyView.α‐MoO3 is established as a high‐index, low‐loss anisotropic platform bridging mid‐infrared polaritonics and ultraviolet‐visible nanophotonics. Spectroscopic ellipsometry and calculations reveal refractive indices exceeding 3.9, with the largest in‐plane birefringence among transparent layered crystals at 425–500 nm, enabling zero‐order UV waveplates ...
Adilet N. Toksumakov +14 more
wiley +1 more source
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Laser cooling arc plasma effect in laser-arc hybrid welding of 316L stainless steel
International Journal of Heat and Mass Transfer, 2019Current laser-plasma interaction theory supports that the plasma energy e.g. electron temperature would increase by the effect of inverse bremsstrahlung (IB) absorption, when a laser beam passed through the plasma.
Zhongyan Mu, Shengyong Pang
exaly +2 more sources
Laser Cooling of a Lattice Vibration in van der Waals Semiconductor.
Nano letters (Print), 2022Laser cooling atoms and molecules to ultralow temperatures has produced plenty of opportunities in fundamental physics, precision metrology, and quantum science.
Jia-Min Lai +4 more
semanticscholar +1 more source
Proposal for Laser Cooling of Complex Polyatomic Molecules
ChemPhysChem, 2016Ivan Kozyryev +2 more
exaly +2 more sources
Physical Review Letters, 1993
We observed a new type of sub-Doppler cooling that employs neither polarization gradients nor magnetic fields, and involves neither a damping force nor significant diffusive heating. Instead, light shifts combined with optical pumping (OP) to levels not coupled by the laser field gives transient cooling, and steady state is not achieved. The time scale
Padua, S. +5 more
openaire +2 more sources
We observed a new type of sub-Doppler cooling that employs neither polarization gradients nor magnetic fields, and involves neither a damping force nor significant diffusive heating. Instead, light shifts combined with optical pumping (OP) to levels not coupled by the laser field gives transient cooling, and steady state is not achieved. The time scale
Padua, S. +5 more
openaire +2 more sources
Physics Today, 1987
In the photograph on the opposite page we see a single mercury ion held nearly at rest in an electromagnetic “trap.” Physicists have seen individual atoms before, in arrays imaged by field ion microscopes and more recently by vacuum tunneling microscopes, but what we see here is different.
David J. Wineland, Wayne M. Itano
openaire +1 more source
In the photograph on the opposite page we see a single mercury ion held nearly at rest in an electromagnetic “trap.” Physicists have seen individual atoms before, in arrays imaged by field ion microscopes and more recently by vacuum tunneling microscopes, but what we see here is different.
David J. Wineland, Wayne M. Itano
openaire +1 more source
Thermal decoherence and laser cooling of Kerr microresonator solitons
Nature Photonics, 2019Thermal noise is ubiquitous in microscopic systems and high-precision measurements. The control of thermal noise would reveal quantum regimes 1 and enable fundamental physics searches 2 .
T. Drake, J. Stone, T. Briles, S. Papp
semanticscholar +1 more source
Candidate for Laser Cooling of a Negative Ion: High-Resolution Photoelectron Imaging of Th^{-}.
Physical Review Letters, 2019Laser cooling is a well-established technique for the creation of ensembles of ultracold neutral atoms or positive ions. This ability has opened many exciting new research fields over the past 40 years.
R. Tang +8 more
semanticscholar +1 more source