نتایج جستجو برای: metal nonmetal transition
تعداد نتایج: 436898 فیلتر نتایج به سال:
PROBLEM Blasting is a hazardous component of surface mining. Serious injuries and fatalities result from improper judgment or practice during rock blasting. This paper describes several fatal injury case studies, analyzes causative factors, and emphasizes preventive measures. METHOD This study examines publications by MSHA, USGS, and other authors. The primary source of information was MSHA's...
Code is one of the rivers influenced by a large number waste-generating human activities in Yogyakarta, Indonesia. Despite continued discharges pollution loads from anthropogenic waste, heavy metal index (HPI)—a water quality assessing ions present body water—remains nationally underutilized. The research was intended to 1) analyze river based on and nonmetal parameters typical domestic 2) calc...
چکیده ندارد.
Some transition metal oxides have frustrated electronic states under multiphase competition due to strongly correlated d electrons with spin, charge, and orbital degrees of freedom and exhibit drastic responses to external stimuli such as optical excitation. Here, we present photoemission studies on Pr0.55(Ca1 - ySry)0.45MnO3 (y = 0.25), SrTiO3, and Ti1 - xCoxO2 (x = 0.05, 0.10) under laser ill...
Two-dimensional (2D) transition metal dichalcogenides (TMDs) have been widely used from nanodevices to energy harvesting/storage because of their tunable physical and chemical properties. In this work, we systematically investigate the effects of hydrogenation on the structural, electronic, magnetic, and catalytic properties of 33 TMDs based on first-principles calculations. We find that the st...
Alloying in 2D results in the development of new, diverse, and versatile systems with prospects in bandgap engineering, catalysis, and energy storage. Tailoring structural phase transitions using alloying is a novel idea with implications in designing all 2D device architecture as the structural phases in 2D materials such as transition metal dichalcogenides are correlated with electronic phase...
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