21,101 research outputs found

    Navigating the Labor Market in China: Enhancing Expatriate Effectiveness

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    [Excerpt] As business continues to grow in China, employers there struggle to find locals who possess the needed knowledge, skills, and abilities to meet the talent demands of the market. Many multinational corporations fill requisitions with candidates from outside of their local region or even from outside China. Since expatriate assignments are extremely costly, employers actively seek cost-effective expatriate compensation options. The local-plus-pay approach in China is popular but remains a work-in-progress. In addition to lower-cost compensation and benefit plans, employers are searching for increased return on expatriate investment. In fact, 10 to 20 percent of all U.S. managers sent abroad returned early because of job dissatisfaction or difficulties in adjusting to a foreign country. Of those who stayed for the duration, nearly one-third performed below satisfaction. Most alarming, one-fourth of repatriated employees joined a competitor within one year of returning to their home country. This paper discusses the complexities HR professionals face in China including attracting top talent into an organization—with a focus on expatriates—and in managing an organization uniquely situated in a high-growth environment. It further highlights successful best practices to thrive in such circumstances

    Simultaneous planar growth of amorphous and crystalline Ni silicides

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    We report a solid-state interdiffusion reaction induced by rapid thermal annealing and vacuum furnace annealing in evaporated Ni/Si bilayers. Upon heat treatment of a Ni film overlaid on a film of amorphous Si evaporated from a graphite crucible, amorphous and crystalline silicide layers grow uniformly side by side as revealed by cross-sectional transmission electron microscopy and backscattering spectrometry. This phenomenon contrasts with the silicide formation behavior previously observed in the Ni-Si system, and constitutes an interesting counterpart of the solid-state interdiffusion-induced amorphization in Ni/Zr thin-film diffusion couples. Carbon impurity contained in the amorphous Si film stabilizes the amorphous phase. Kinetic and thermodynamic factors that account for the experimental findings are discussed

    Realization of a feedback controlled flashing ratchet

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    A flashing ratchet transports diffusive particles using a time-dependent, asymmetric potential. Particle speed is predicted to increase when a feedback algorithm based on particle positions is used. We have experimentally realized such a feedback ratchet using an optical line trap, and observed that use of feedback increases velocity by up to an order of magnitude. We compare two different feedback algorithms for small particle numbers, and find good agreement with simulations. We also find that existing algorithms can be improved to be more tolerant to feedback delay times

    Nonlinear dynamics of mode-locking optical fiber ring lasers

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    We consider a model of a mode-locked fiber ring laser for which the evolution of a propagating pulse in a birefringent optical fiber is periodically perturbed by rotation of the polarization state owing to the presence of a passive polarizer. The stable modes of operation of this laser that correspond to pulse trains with uniform amplitudes are fully classified. Four parameters, i.e., polarization, phase, amplitude, and chirp, are essential for an understanding of the resultant pulse-train uniformity. A reduced set of four coupled nonlinear differential equations that describe the leading-order pulse dynamics is found by use of the variational nature of the governing equations. Pulse-train uniformity is achieved in three parameter regimes in which the amplitude and the chirp decouple from the polarization and the phase. Alignment of the polarizer either near the slow or the fast axis of the fiber is sufficient to establish this stable mode locking

    Atomic resolution imaging of electrode surfaces in solutions containing reversible redox species

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    Procedures are described for insulating metal scanning tunneling microscope (STM) tips with either glass or polymer coatings. In solutions containing 0.10 M of a reversible redox couple, Fe(CN) - 3/-46 , the faradaic limiting current to polymer coated tips was 200–500 pA and that for glass coated tips was <10 pA. For polymer insulated tips, steady-state currents of 10–100 pA were observed at tip-sample displacements less than 0.3 µm. The suppression of faradaic current achieved by these coating procedures enabled the collection of the first atomic resolution STM images of highly ordered pyrolytic graphite electrodes in contact with redox-active electrolytes. Preliminary data for the in situ electrochemical characterization of these tips are also discussed
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