Chapter 7 Application of neutron activation analysis to silicon characterization

Revel, Gilles de

doi:10.1016/0146-3535(84)90076-5

Progress in Crystal Growth and Characterization

1984

DOI: 10.1016/0146-3535(84)90076-5

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Chapter 7 Application of neutron activation analysis to silicon characterization

Gilles de Revel¹

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1987

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Etude de la solidification directionnelle en creuset du silicium en vue d'un usage solaire

Revel¹,

Pastol

Hania

et al. 1987

Rev. Phys. Appl. (Paris)

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2014 La méthode de croissance développée permet de préparer des lingots de silicium mono et polycristallins. La solidification est réalisée de bas en haut à partir d'un échangeur de chaleur. Divers matériaux ont été testés pour la réalisation du creuset. Des échantillons de qualités électronique (Si-EG) et métallurgique améliorée (Si-UMG) sont traités. Cette méthode permet également de préparer des lingots de Si-EG enrichis volontairement en une impureté sélectionnée. Les lingots obtenus sont caractérisés par macro et micrographie, analyses par activation et mesures de propriétés électriques. L'influence des conditions d'échange thermique sur la forme de l'interface et ses conséquences sur la structure des lingots est abordée. Le comportement des impuretés au cours de la solidification est étudié. La possibilité de réaliser des cellules solaires à partir de Si-UMG est discutée. Abstract. 2014 The growth method developed allows to prepare single and polycrystalline silicon ingots. Solidification takes place from the bottom to the top from a heat exchanger. Some crucible materials have been tested. Electronic grade (EG-Si) and upgraded metallurgical grade (UMG-Si) silicon samples are treated. This method allows too to prepare EG-Si ingots deliberately enriched with a selected impurity. The obtained ingots are studied by macro and micrography, activation analyses and electrical properties measurements. The influence of thermal exchange conditions on the interface shape and the consequences on the structure of the ingots is considered. The behaviour of the impurities during the solidification is studied. The possibility to make solar cells from UMG-Si ingots is discussed.

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Etude de la solidification directionnelle en creuset du silicium en vue d'un usage solaire

Revel¹,

Pastol

Hania

et al. 1987

Rev. Phys. Appl. (Paris)

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Chapter 7 Application of neutron activation analysis to silicon characterization

Cited by 1 publication

References 24 publications

Etude de la solidification directionnelle en creuset du silicium en vue d'un usage solaire

Etude de la solidification directionnelle en creuset du silicium en vue d'un usage solaire

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