Publications related to The variation of PbTiO3 bandgap at ferroelectric phase transition

Multi-triplet bound states and finite-temperature dynamics in highly frustrated quantum spin ladders

Low-dimensional quantum magnets at finite temperatures present a complex interplay of quantum and thermal fluctuation effects in a restricted phase space. While some information about dynamical response functions is available from theoretical studies of th ...

2016

Stabilization of the chiral phase of theSU(6m)Heisenberg model on the honeycomb lattice withmparticles per site formlarger than 1

Frédéric Mila, Jérôme Dufour

Low-dimensional quantum magnets at finite temperatures present a complex interplay of quantum and thermal fluctuation effects in a restricted phase space. While some information about dynamical response functions is available from theoretical studies of th ...

2016

Dissipation engineering of high-stress silicon nitride nanobeams

Tobias Kippenberg, Dalziel Joseph Wilson, Amir Hossein Ghadimi

High-stress Si

_3

N

_4

nanoresonators have become an attractive choice for electro- and optomechanical devices. Membrane resonators can achieve quality factor (

Q

) - frequency (

f

) products exceeding

10^{13}

Hz, enabling (in principle) quantum coheren ...

2016

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Mikhail Asiatici, Göran Stemme

High-temperature-resistant inertial sensors are increasingly requested in a variety of fields such as aerospace, automotive and energy. Capacitive detection is especially suitable for sensing at high temperatures due to its low intrinsic temperature depend ...

Elsevier Science Sa2016

A 400 fJ Per-Cycle Frequency Reference for Internet of Things

Maher Kayal, François Krummenacher, Mathieu Yves Hervé Coustans

This work presents an ultra-low power oscillator designed to target different contexts, such as crystal-assisted time keeping, reference oscillator to optimize the always on domain of a microcontroller or wake-up timer. This oscillator enables ultra-low po ...

2016

Predicting the state and properties of Deepwater Horizon oil under pressure using the Peng-Robinson equation of state

Jeremy Samuel Arey, Jonas Gros

Being able to estimate the partitioning behavior of the live oil mixture between a gas and a hydrocarbon liquid phase is crucial for valid modeling of the behavior of the emitted fluid. Equations of state are a well-known way to estimate the phase partitio ...

2015

Integration of 2D and 3D Thin Film Glassy Carbon Electrode Arrays for Electrochemical Dopamine Sensing in Flexible Neuroelectronic Implants

Philippe Renaud, André Mercanzini, Jules John Vandersarl

Here we present the development and characterization of a flexible implantable neural probe with glassy carbon electrode arrays. The use of carbon electrodes allows for these devices to be used as chemical sensors, in addition to their typical use as elect ...

Wiley-Blackwell2015

Mesure de température par thermistances

Thomas Maeder

Ce document décrit l'utilisation des thermistances NTC & PTC (y compris platine) pour la mesure en température. This document describes the use of NTC & PTC (platinum-type RTDs included) resistors for temperature measurements. ...

2015

Lineshape of the singlet-triplet excitations in the dimer system Sr3Cr2O8 to first order in the high-density 1/z expansion

Martin Mansson

The Cr5+ ions in Sr3Cr2O8 constitute a strongly correlated spin-1/2 dimer system. Experiments show that the collective singlet-triplet excitations in this system are well defined in the zero-temperature limit, but, when heated, the inelastic neutron scatte ...

American Physical Society2014

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Jacim Jacimovic

The anatase phase of TiO2 is a key material in the third generation of photovoltaics and for photo-catalytic devices. The number of promising applications, where one would profit from the electronic degrees of freedom of the material, like in memristors, s ...

EPFL2012

The variation of PbTiO3 bandgap at ferroelectric phase transition

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Multi-triplet bound states and finite-temperature dynamics in highly frustrated quantum spin ladders

Stabilization of the chiral phase of theSU(6m)Heisenberg model on the honeycomb lattice withmparticles per site formlarger than 1

Dissipation engineering of high-stress silicon nitride nanobeams

Capacitive inertial sensing at high temperatures of up to 400 degrees C

A 400 fJ Per-Cycle Frequency Reference for Internet of Things

Predicting the state and properties of Deepwater Horizon oil under pressure using the Peng-Robinson equation of state

Integration of 2D and 3D Thin Film Glassy Carbon Electrode Arrays for Electrochemical Dopamine Sensing in Flexible Neuroelectronic Implants

Mesure de température par thermistances

Lineshape of the singlet-triplet excitations in the dimer system Sr3Cr2O8 to first order in the high-density 1/z expansion

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Multi-triplet bound states and finite-temperature dynamics in highly frustrated quantum spin ladders

Stabilization of the chiral phase of theSU(6m)Heisenberg model on the honeycomb lattice withmparticles per site formlarger than 1

Dissipation engineering of high-stress silicon nitride nanobeams

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Integration of 2D and 3D Thin Film Glassy Carbon Electrode Arrays for Electrochemical Dopamine Sensing in Flexible Neuroelectronic Implants

A 400 fJ Per-Cycle Frequency Reference for Internet of Things

Mesure de température par thermistances

Nature of the Charge Carriers and Conduction Mechanism in Anatase TiO2

Lineshape of the singlet-triplet excitations in the dimer system Sr3Cr2O8 to first order in the high-density 1/z expansion

Predicting the state and properties of Deepwater Horizon oil under pressure using the Peng-Robinson equation of state