Browsing Physics (Scholarly Publications) by Title
Now showing items 1378-1397 of 1691
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A Simple Model Relating Gauge Factor to Filler Loading in Nanocomposite Strain Sensors
(2021)Conductive nanocomposites are often piezoresistive, displaying significant changes in resistance upon deformation, making them ideal for use as strain and pressure sensors. Such composites typically consist of ductile ... -
Simple setup for rapid testing of third-order nonlinear optical materials
(1990)A relatively inexpensive and versatile degenerate four-wave mixing setup is described utilizing a nitrogen laser pumped dye laser. Samples can be screened rapidly, which is demonstrated with the example of a semiconductor ... -
Simulating STM transport in alkanes from first principles
(2009)Simulations of scanning tunneling microscopy STM measurements for molecules on surfaces are tradi- tionally based on a perturbative approach, most typically employing the Tersoff-Hamann method. This assumes that the ... -
A simulation study of the kinetics of passage of CO2 and N2 through the liquid/vapor interface of water
(1999)The rate of passage of molecules of carbon dioxide and nitrogen through the vapor–liquid interface of water at 300 K is studied by simulation. Previous work has established the form of the free energy profile which has ... -
Simultaneous observation of direct and Raman-scattered O VI lines in the symbiotic nova RR telescopii
(American Astronomical Society, 1995)The optical spectra of some symbiotic binaries show two lines in the red region of the spectrum that cannot be identified with any known allowed or forbidden transitions. A case has been made that these lines are Raman-scattered ... -
Single mode lasers based on slots suitable for photonic integration
(2011)The re-growth free single mode lasers based on etched slots suitable for photonic integration are presented in this paper. The fabricated 650?m long laser exhibits a threshold current and a slope efficiency of about 32mA ... -
Single mode lasers based on slots suitable for photonic integration
(2011)The re-growth free single mode lasers based on etched slots suitable for photonic integration are presented in this paper. The fabricated 650?m long laser exhibits a threshold current and a slope efficiency of about 32mA ... -
Single pulse all-optical toggle switching of magnetization without gadolinium in the ferrimagnet Mn2RuxGa
(2020)Energy-efficient control of magnetization without the help of a magnetic field is a key goal of spintronics. Purely heat-induced single-pulse all-optical toggle switching has been demonstrated, but so far only in Gd-based ... -
Single-pulse all-optical partial switching in amorphous DyxCo1-xand TbxCo1-xwith random anisotropy
(2022)Repeated uniform switching of the magnetization of thin films of ferrimagnetic amorphous Gdx (FeCo)1 x in response to single fast laser pulses is well established. Here, we report unusual toggle switching in thin films ... -
Single-pulse all-optical switching in amorphous DyxCo1-x and TbxCo1-x
(2022)Repeated uniform switching of the magnetization of thin films of ferrimagnetic amorphous Gdx(FeCo)1−x in response to single fast laser pulses is well established. Here, we report unusual toggle switching in thin films of ... -
Site-specific magnetism of half-metallic Mn2RuxGa thin films determined by x-ray absorption spectroscopy
(2015)The site-specific magnetic properties of thin films of the Heusler compound Mn2RuxGa, 0.6 <x< 1.0, are studied using x-ray absorption and dichroism spectroscopy. There is evidence of half metallicity up to x = 0.7, and ... -
Site-specific order and magnetism in tetragonal Mn3Ga thin films
(2013)Mn 3 Ga bulk material and thin films deposited on several different substrates have been investigated using x-ray and neutron diffraction, x-ray absorption spectroscopy, x-ray magnetic circular dichroism, and ... -
Site-specific order and magnetism in tetragonal Mn3Ga thin films
(2013)Mn 3 Ga bulk material and thin films deposited on several different substrates have been investigated using x-ray and neutron diffraction, x-ray absorption spectroscopy, x-ray magnetic circular dichroism, and ... -
Size selection of dispersed, exfoliated graphene flakes by controlled centrifugation
(2012)Liquid exfoliation of graphene generally results in flakes with lateral size of one micron or less on average, too small for many applications. In this paper we describe a method to separate an existing dispersion with ... -
Size selective photoluminescence excitation spectroscopy in CdTe quantum dots
(2003)We present a photoluminescence and photoluminescence excitation study of CdTe quantum dots, prepared via a novel organometallic approach. The global photoluminescence (excited at the energy above the absorption edge) ... -
Size-dependent saturable absorption and mode-locking of dispersed black phosphorus nanosheets
(2016)Size dependence of the saturable absorption (SA) property for black phosphorus (BP) was investigated. Three types of BP dispersions with different sizes were prepared using the liquid phase exfoliation method. By fitting ... -
Size-dependent scaling of perpendicular exchange bias in magnetic nanostructures
(American Physical Society, 2007)Size-dependent scaling is studied in exchange biased nanostructures obtained by depositing Pt/Co 3 /IrMn multilayers with perpendicular magnetization onto an array of monodisperse polystyrene nanospheres with a diameter ... -
Small polarons and magnetic anti-phase boundaries in Ca2−xNaxCuO2Cl2 (x=0.06,0.12): origin of striped phases in cuprates
(2008)We report hybrid density functional theory calculations on hole doped Ca2−xNaxCuO2Cl2 performed in 4×4, 4√2×4√2, and 8×2 supercells with hole concentrations x=0.0625 and x=0.125. Holes at the lower concentration form small ...
