Magnetic semiconductors
Novel photoinduced phase transitions in transition metal oxides and diluted magnetic semiconductors
... diluted magnetic semiconductors containing transition metal ions, correlated transition metal d electrons with spin, charge, and orbital degrees of freedom provide surprisingly rich electric and mag- netic ...
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Carrier Induced Magnetic Solitons and Metal Insulator Transition in Diluted Magnetic Semiconductors Ga1 xMnxAs
... Diluted magnetic semiconductors (DMSs), which are formed by substitution of several percent of cation sites in a host semiconductor with magnetic impurities, are actively investigated both ...
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Zinc Oxide based Diluted Magnetic Semiconductors
... diluted magnetic semiconductors (DMS) as epitaxial thin film structures using the process of pulsed laser deposition ...diluted magnetic semiconductor a fraction of the host atoms are substituted by ...
220
Spin polarization of dilute magnetic semiconductors under optical excitation of impurity levels
... and the magnetic impurities. Our results refer to the diluted magnetic semiconductors subjected to influence of polarized light. We have used the numerical results obtained with our analytical ...
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Berry Approach to Intrinsic Anomalous Hall Conductivity in Dilute Magnetic Semiconductors (Ga1 xMnxAs)
... dilute magnetic semiconductors of type (III, Mn, VI) and the current understanding on intrinsic theories of anomalous hall conductivity allows us to reformulate it with Berry curvature of quasi-particles ...
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Growth and Characterization of Mn Doped GaN and AlGaN Dilute Magnetic Semiconductors
... optimum Mn concentration that results in the strongest magnetic response. This trend can be seen in Figure 33 (note that the trend line connecting the data points is for illustrative purposes only, it is not a ...
110
Precise tuning of the Curie temperature of (Ga,Mn)As based magnetic semiconductors by hole compensation: Support for valence band ferromagnetism
... Zhang-Rice magnetic polarons [74, 75]. The temperature below which the magnetic po- larons overlap and ferromagnetic order develops depends on the hole ...
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Light Emitting Diodes and Dilute Magnetic Semiconductors in the III-Nitride Materials System
... the magnetic field, and field strength is measured using a Walker Magnemetrics Gauss meter with a thin probe inserted between the magnetic poles near the ...
211
Monte Carlo study of dilute magnetic semiconductors
... 5.27 Histogram of the number of magnetic atoms interacting with its neigh bors at varying distance for the case of 3% 3% for various radii of interaction.. 5.28 Histogram of the number [r] ...
229
Magneto-optical spectroscopy of dilute magnetic semiconductors
... levels at the top of the valence band are more strongly associated with the As sub- lattice (see discussion of GaAs bond ionicity on p. 24), which means they are limited in their overlap with the Mn d electrons, ...
154
Thermodynamic Properties of Semiconductors with Defects
... To derive the temperature dependence of the thermody- namic properties of semiconductors, we use the statisti- cal moment method. This method allows us to take into account the anharmonicity effects of thermal ...
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Vibrational and electronic properties of impurities in semiconductors
... Chapter Two : Energy Levels Introduction Doping Crystal Field Site Symmetry Selection Rules Basic Texts Photoionization Summary Following 10: Figures for Chapter Two Chapter Three : The [r] ...
207
QUENCHING OF LUMINESCENCE IN SEMICONDUCTORS BY CHARGED DEFECTS
... This paper calculates the distribution of fields present in a semiconductor and its effect on the lifetime of an electron trapped at a localised impurity The resu[r] ...
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Cathodoluminescence nano-characterization of semiconductors
... high-purity semiconductors, it might be thought that the relatively long diffusion lengths compared with the dimensions of the carrier generation function would result in diffusion becoming the dominant factor in ...
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Biosensors Based on Semiconductors, a Review
... These semiconductors approaches may be employed to use potential differences where the force between charges in the electric field is very effectively and sensitively ...in semiconductors technology have ...
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Theoretical methods for spintronics in semiconductors with applications
... The Rashba effect is the building block on which several proposed spintronic devices are built. When referring to the spin splitting of the conduction band (CB) levels of a two-dimensional electron gas (2DEG) in an ...
224
Electronic transport and magnetic properties of organic semiconductors
... Voltage curves of lateral crystal C^o device with CoFe electrodes measured at various magnetic fields.. A series of current vs.[r] ...
214
Photoproduction of iodine with nanoparticulate semiconductors and insulators
... Nanoparticles exhibit physical properties distinctively different from that of bulk. They possess a large fraction of surface atoms or ions or molecules in unit volume. The very large surface area provides a huge surface ...
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BEHAVIOUR OF NANOSTRUCTURE SEMICONDUCTOR AND ITS IMPORTANCE- AN EXPERIMENTAL ANALYSIS
... Behaviour of semiconductor nanostructures also changes significantly with the application of electric and magnetic field. Thus, the studies on electron states are important because it can explain the physical ...
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Lecture 13 - Physical Properties of Semiconductors
... • Like all diffusion phenomena, mass moves from an area of higher concentration to an area of lower concentration ( Fick’s law ). • Fick's law * relates the diffusive flux (i.e., the ra[r] ...
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