Mass Spectrometric Studies Of The Laser Ablation Of Bulk YBa2Cu307-8

C H Becker; J B Pallix

doi:10.1117/12.951635

15 August 1989 Mass Spectrometric Studies Of The Laser Ablation Of Bulk YBa₂Cu₃O7-δ

C H Becker, J B Pallix

Proceedings Volume 1056, Photochemistry in Thin Films; (1989) https://doi.org/10.1117/12.951635
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Time-of-flight mass spectra are recorded from the laser-initiated plasmas from solid YBa2Cu307_8 using combined 1064 and 532 nm laser light pulses of 10 ns duration. The effect of changing the laser power density was studied for both low masses and also for cluster ions ranging up to 20,000 amu. The cluster ions grow in intensity with increasing laser power densities until they abruptly vanish at plasma energies (temperatures of ~10 4 K) associated with a white plume visible with the unaided eye reaching ~1-2 cm above the target. Fewer molecules are found below 400 amu with increasing laser power densities, but some molecules still persist at the laser's highest intensity of 4.3 J/cm2.

Citation Download Citation

C H Becker and J B Pallix "Mass Spectrometric Studies Of The Laser Ablation Of Bulk YBa₂Cu₃O7-δ", Proc. SPIE 1056, Photochemistry in Thin Films, (15 August 1989); https://doi.org/10.1117/12.951635

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