Ioannis Chatzakis
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View article: Temperature dependence of conductivity and mobility and electro-phonon coupling strength in graphene determined from electron relaxation rates
Temperature dependence of conductivity and mobility and electro-phonon coupling strength in graphene determined from electron relaxation rates Open
We report the determination of the electron–phonon coupling strength extracted from the relaxation rates of the electrons’ energy using ultrafast pump–probe spectroscopy. The energy transferred from electrons to the lattice depends on the …
View article: Supporting Communication and Well-being with a Multi-Stakeholder Mobile App: Lessons Learned from a Field Study with ADHD Children and their Caregivers
Supporting Communication and Well-being with a Multi-Stakeholder Mobile App: Lessons Learned from a Field Study with ADHD Children and their Caregivers Open
Children with attention deficit hyperactivity disorder (ADHD) and their caregivers face daily challenges which can adversely affect their well-being, especially regarding communication within their care ecosystems, comprising family, frien…
View article: Ultrafast hot-carrier cooling in quasi freestanding bilayer graphene with hydrogen intercalated atoms
Ultrafast hot-carrier cooling in quasi freestanding bilayer graphene with hydrogen intercalated atoms Open
Investigation of the cooling dynamics of hot carriers in quasi-free standing bilayer epitaxial graphene with hydrogen intercalation by femtosecond optical pump THz-probe spectroscopy.
View article: Author Correction: Ultralow-loss polaritons in isotopically pure boron nitride
Author Correction: Ultralow-loss polaritons in isotopically pure boron nitride Open
View article: Controlling the Infrared Dielectric Function through Atomic-Scale Heterostructures
Controlling the Infrared Dielectric Function through Atomic-Scale Heterostructures Open
Surface phonon polaritons (SPhPs) - the surface-bound electromagnetic modes of a polar material resulting from the coupling of light with optic phonons - offer immense technological opportunities for nanophotonics in the infrared (IR) spec…
View article: Controlling the Infrared Dielectric Function through\nAtomic-Scale Heterostructures
Controlling the Infrared Dielectric Function through\nAtomic-Scale Heterostructures Open
Surface\nphonon polaritons (SPhPs), the surface-bound electromagnetic\nmodes of a polar material resulting from the coupling of light with\noptic phonons, offer immense technological opportunities for nanophotonics\nin the infrared (IR) sp…
View article: Ultralow-loss polaritons in isotopically pure boron nitride
Ultralow-loss polaritons in isotopically pure boron nitride Open
View article: Ultrafast Terahertz Probes of Interacting Dark Excitons in Chirality-Specific Semiconducting Single-Walled Carbon Nanotubes
Ultrafast Terahertz Probes of Interacting Dark Excitons in Chirality-Specific Semiconducting Single-Walled Carbon Nanotubes Open
Ultrafast terahertz spectroscopy accesses the dark excitonic ground state in resonantly excited (6,5) single-walled carbon nanotubes via internal, direct dipole-allowed transitions between the lowest-lying dark-bright pair state of ∼6 meV.…