نتایج جستجو برای: stm model

تعداد نتایج: 2108009  

Journal: :Journal of abnormal child psychology 2013
Sebastiaan Dovis Saskia Van der Oord Reinout W Wiers Pier J M Prins

Deficits in Working Memory (WM) are related to symptoms of Attention-Deficit/Hyperactivity Disorder (ADHD). In children with ADHD visuospatial WM is most impaired. WM is composed of Short-Term Memory (STM) and a Central Executive (CE). Therefore, deficits in either or both STM and the CE may account for WM impairments in children with ADHD. WM-component studies investigating this find deficits ...

2005
B. Gompf W. Glatz j. Petersen W. Eisenmenger U. Zimmermann N. Karl

Thin films of the organic molecule perylene-3,4,9,10tetracarboxylic-dianhydride ("PTCDA") on graphite(0001) have been investigated from the monoto the multilayer regime with low energy electron diffraction (LEED), X-ray-diffraction in Bragg-Brentano geometry, and high resolution scanning tunneling microscopy (STM). These different methods proved epitaxial growth in a coincident superstructure a...

2015
Jong Ho Won Il Joon Moon Sunhwa Jin Heesung Park Jihwan Woo Yang-Sun Cho Won-Ho Chung Sung Hwa Hong Frederic Dick

Spectrotemporal modulation (STM) detection performance was examined for cochlear implant (CI) users. The test involved discriminating between an unmodulated steady noise and a modulated stimulus. The modulated stimulus presents frequency modulation patterns that change in frequency over time. In order to examine STM detection performance for different modulation conditions, two different tempor...

Journal: :Physical Review Letters 2021

We propose a local detection scheme for the Majorana zero mode (MZM) carried by vison in Kitaev's chiral spin liquid (CSL) using scanning tunneling microscopy (STM). The STM introduces single into system through hole-charge injection and interacts with MZM to form stable composite object. derive exact analytical expression of single-hole Green's function Mott insulating limit model, show that d...

Journal: :Respiratory care 2013
Chitra Kandaswamy Garrett Bird Narinder Gill Edward Math Jose Joseph Vempilly

BACKGROUND Severe tracheomalacia (STM) is being increasingly recognized as a cause for respiratory failure in the ICU. The diagnosis is often overlooked, as chest radiography appears normal, and the role of invasive diagnostic testing for this diagnosis is not well described in the ICU setting. The prevalence and risk factors for STM are not known, and computed tomography (CT) based diagnostic ...

Journal: :Physical Review Letters 2021

We revisit the theory of Kondo effect observed by a scanning-tunneling microscope (STM) for transition-metal atoms (TMAs) on noble-metal surfaces, including $d$ and $s$ orbitals TMA, surface bulk conduction states metal, their hopping to tip STM. Fitting experimentally STM differential conductance Co Cu(111) both feature near Fermi energy resonance below band, we conclude that senses mainly orb...

2003
Miguel Lozano Francisco Grimaldo Javier Villaplana

This paper presents a neural design which is able to provide the necessary reactive navigation and attention skills for 3D embodied agents (virtual humanoids or characters). Based on Grossberg’s neural model of conditioning [6], as recently implemented by Chang and Gaudiando [7], and according to the Adaptative Resonance Theory (ART) and the neuroscientific concepts associated, the neural desig...

2011
C. Volcke

Since 30 years, scanning tunneling microscopy (STM) allows individual atoms or molecules to be observed. Amongst others, it is particularly well adapted to image molecular organizations at liquid/solid interfaces as it is already successful in imaging physisorbed self-assembled monolayer (SAM) structures adsorbed on graphite, highlighting a variety of physical, chemical, dynamical and electroni...

Journal: :Journal of magnetic resonance 2018
Yishay Manassen Michael Averbukh Moamen Jbara Bernhard Siebenhofer Alexander Shnirman Baruch Horovitz

We performed STM-ENDOR experiments where the intensity of one of the hyperfine components detected in ESR-STM is recorded while an rf power is irradiated into the tunneling junction and its frequency is swept. When the latter frequency is near a nuclear transition a dip in ESR-STM signal is observed. This experiment was performed in three different systems: near surface SiC vacancies where the ...

Journal: :Development 2002
Michael Lenhard Gerd Jürgens Thomas Laux

Continuous organ formation from the shoot apical meristem requires the integration of two functions: a set of undifferentiated, pluripotent stem cells is maintained at the very tip of the meristem, while their daughter cells in the periphery initiate organ primordia. The homeobox genes WUSCHEL (WUS) and SHOOTMERISTEMLESS (STM) encode two major regulators of meristem formation and maintenance in...

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