Author:A. Tiwari a, N. Arunbc, SVSNageswara Raobc, APPathakb, YagneshShadangid, NKMukhopadhyayd, S. Venugopal Rao e, A. Tripathi a

Institute: Department of Physics, School of Physical Sciences, Sikkim University, 6th Mile Samdur, 737102, Sikkim, India; School of Physics, University of Hyderabad, Hyderabad, 500046, Telangana, India; Center for Advanced Study in Electronics Science (CASEST), University of Hyderabad, Hyderabad 500046, Telangana, India; Department of Metallurgical Engineering, Indian Institute of Technology (BHU), Varanasi, Varanasi 221005, Uttar Pradesh, India; Advanced Center for Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad 500046, Telangana, India

Nanosecond pulsed laser ablation of quasicrystalline Al–Cu–Fe material is an important process in the field of laser processing of solid materials. This study examines the influence of various solvents and laser radiation fluence on the ablation efficiency and properties of the resulting structures. Experiments were carried out using different fluences, ranging from minimum to maximum values, which made it possible to identify optimal conditions for ablation of quasicrystalline samples.

Studies have shown that the choice of solvent has a significant impact on the penetration depth of the laser pulse and, accordingly, on the ablation characteristics. Thus, water-based solutions demonstrate better results compared to organic solvents, which is due to differences in their thermal and optical properties.                                                   

As fluence increases, there is an increase in volumetric loss of material, however it is important to note that excessively high values ​​can lead to negative consequences such as overheating and damage to the surrounding structure. To summarize, proper solvent selection and fluence optimization are key factors determining the success of the ablation process of quasicrystalline materials.