Recalescence after bulk solidification in germanium films melted by ns laser pulses | Zendy

Jesús Armengol | Zendy; Fidel Vega | Zendy; N. Chaoui | Zendy; J. Solı́s | Zendy; C. N. Afonso | Zendy

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Recalescence after bulk solidification in germanium films melted by ns laser pulses

Author(s) -

Jesús Armengol,

Fidel Vega,

N. Chaoui,

J. Solı́s,

C. N. Afonso

Publication year - 2003

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.1534374

Subject(s) - streak camera , recalescence , materials science , germanium , picosecond , laser , nanosecond , amorphous solid , streak , germanium compounds , optics , enthalpy , optoelectronics , metallurgy , thermodynamics , crystallography , microstructure , eutectic system , chemistry , silicon , physics

Rapid solidification dynamics in amorphous germanium films melted by nanosecond laser pulses was analyzed. Single-shot subnanosecond time resolved reflectivity measurements were carried out. Results showed that once a minimum depth was induced, a bulk solidification process followed by the release of solidification enthalpy was found.This work has been partially supported by the European Union in the framework of the TMR ERB FMRX CT098- 0188 ‘‘Laser Cleaning’’ Network. N.C. acknowledges the funding of the European Union through the same contract.Peer Reviewe

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