Semi-condutores I-VII

Semi-condutores I-VII

Abdelghani LAKEL / Latifa Tairi / Yousra Megdoud

66,73 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Química física
ISBN:
9786209565441
66,73 €
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Os métodos quantitativos que são qualificados de ab-initio, não requerem o conhecimento experimental ou prévio do sistema considerado e os parâmetros ajustados aos resultados experimentais não são utilizados. Assim, os métodos de investigação iniciados destinam-se a determinar as propriedades dos materiais, através da resolução das equações da mecânica quântica, sem utilizar variáveis ajustáveis.As leis da mecânica-quântica e o único conhecimento da espécie química dos átomos considerados permitem calcular em princípio toda a física observável. Os cálculos são geralmente mais complexos do que os métodos semi-empíricos e necessitam de grandes meios informáticos. Os cálculos ab-initio provêm, por um lado, dos métodos de Hartree Fock (ou pós-Hartree Fock) que utilizam a função de onde para descrever o sistema quântico e, por outro, das células da teoria da função da densidade que utilizam a densidade eletrónica.

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