Concept

Impurity

Related lectures (14)

Covers the behavior of semiconductors, including intrinsic and extrinsic properties, doping, charge carriers, band bending, and p-n junction formation.

Itinerant Magnetism: Kondo Effect

Explores itinerant magnetism in metals, highlighting the Kondo effect and its implications on material properties.

Electrical Conductivity of Metals

Explores electrical conductivity in metals, semiconductors, and the optical properties of semiconductors.

Semiconductor Absorption: Band-to-Band Process

Explores band-to-band absorption in semiconductors, defect bands impact, and color origins.

Charge Carriers in Organic Electronics: Solitons and Polarons

Discusses charge carriers in organic materials, focusing on solitons, polarons, and their implications for charge transport and device performance.

Powder Synthesis: Precipitation

Explores powder synthesis through precipitation methods, covering solid-vapor reactions, nucleation, crystal growth, and aggregation processes.

Semiconductor Impurities and Carrier Transport

Explores extrinsic semiconductors, impurities, carrier transport properties, and their impact on conductivity and solar cell performance.

Catalysis: Catalyst Deactivation and Ageing

Explores catalyst deactivation and ageing, discussing the impact of impurities, thermal transitions, and countermeasures in catalytic processes.

Semiconductor Physics: Transistors and Diodes

Explores semiconductor physics, emphasizing transistors and diodes' behavior and operation.

Semiconductors: Basic Properties

Explores the basic properties of semiconductors, including conductivity, impurities, band gaps, and crystal structures.

Heterodiffusion in Solids

Explores heterodiffusion, including electrolyte diffusion in liquids and solids, autodiffusion, and factors influencing diffusion rates.

Real PN Diodes: Generation and Recombination Currents

Covers the behavior of real PN diodes, focusing on generation and recombination currents and their implications in various operational conditions.

Experimental Techniques: g-Tensor

Explores the influence of magnetic field on angular momentum and the behavior of G factors in different crystal orientations.

Germination: Theory and Applications in Materials Science

Introduces the theory of germination and its applications in materials science, focusing on grain size control and the formation of bulk metallic glasses.