activity
20022026
most citedLifetimes of Confined Acoustic Phonons in Ultra-Thin Silicon Membranes

120 citations · 627 across the 22 of their papers we have counts for

collaborators

24 papers

physics.optics2026

Dynamics of confined acoustic phonon modes in nanocrystalline silicon membranes

Tiago E. C. Magalhães, Tânia M. Ribeiro, Oili M. E. Ylivaara +2

We report femtosecond time-resolved measurements of confined acoustic phonons in free-standing nanocrystalline silicon membranes and compare them with the crystalline silicon count…

physics.optics2021

Room-temperature silicon platform for GHz-frequency nano-electro-opto-mechanical systems

D. Navarro-Urrios, M. F. Colombano, G. Arregui +7

Nano-electro-opto-mechanical systems enable the synergistic coexistence of electrical, mechanical, and optical signals on a chip to realize new functions. Most of the technology pl…

physics.app-ph2021

Thermal properties of nanocrystalline silicon nanobeams

Jeremie Maire, Emigdio Chavez-Angel, Guillermo Arregui +7

Controlling thermal energy transfer at the nanoscale has become critically important in many applications and thermal properties since it often limits device performance. In this w…

cond-mat.mtrl-sci2020★ 38 cited

Electronic Band Structures of Pristine and Chemically Modified Cellulose Allomorphs

Divya Srivastava, Mikhail S. Kuklin, Jouni Ahopelto +1

We have investigated the structural properties, vibrational spectra, and electronic band structures of crystalline cellulose allomorphs and chemically modified cellulose with quant…

physics.app-ph2020★ 11 cited

High frequency mechanical excitation of a silicon nanostring with piezoelectric aluminum nitride layers

A. Pitanti, T. Makkonen, M. F. Colombano +8

A strong trend for quantum based technologies and applications follows the avenue of combining different platforms to exploit their complementary technological and functional advan…

physics.app-ph2019★ 36 cited

Nano-thermoelectric infrared bolometers

Aapo Varpula, Kirsi Tappura, Jonna Tiira +5

Infrared (IR) radiation detectors are used in numerous applications from thermal imaging to spectroscopic gas sensing. Obtaining high speed and sensitivity, low-power operation and…