
Rasool Doostkam (gauche) et Rezvan Haji Hashemi (droite)
Nanomatériaux
We are PhD students doing advanced research at INRS-EMT in Varennes. Rasool studies how light behaves when it interacts with nanomaterials using an electron microscope and lasers. Rezvan studies how these tiny materials respond to heat generated by the laser. Together, they explore what happens when a laser shines on nanomaterials for a super short time—just a trillionth of a second!
Projet : Observing and studying the electric field of nanoparticles using ultrafast transmission electron microscopy (UTEM)
«Have you ever used a microscope to see tiny things up close? Or tried to take a photo of something moving fast, like a bird or a car? In this project, we’ll explore nanoparticles — super small objects about 10,000 times thinner than a human hair — and study their electric fields, which change in just a trillionth of a second!
We study the interaction between light and nanomaterials, and the results help us design new devices for both technology and medicine.
The world needs cleaner energy, like sunlight. To use solar energy, solar cells are built—but they need to be better at turning sunlight into electricity. By studying how light interacts with nanomaterials, scientists can make solar cells more powerful and efficient.
Cancer is still a tough disease to treat. One exciting method is called thermotherapy, where tiny metal particles like gold or silver are used to heat up and kill cancer cells. These particles can be activated by laser light, targeting only the bad cells without harming the healthy ones.
The project includes training in electron microscopy, nanoparticle preparation, fundamentals of light–matter interactions, scientific data analysis, and optional programming in Python.»
