STATE OF CRUSTAL STRESS INFERRED FROM IN SITU STRESS MEASUREMENTS

Study of the relaxation process during InGaAsÕGaAs „001... growth from in situ real-time stress measurements

Strain evolution during In0.2Ga0.8As/GaAs ~001! growth by molecular beam epitaxy has been monitored in real time. We have detected that three main relaxation stages, related to different mechanisms, take place during growth, and we have obtained the thickness range where those mechanisms are active. The in situ measured relaxation behavior in the plastic stages has been described by means of a ...

Drilling Induced Core Fractures and Crustal Stress

Drilling induced core fractures, usually ignored in standard core logging, contain substantial information on the directions of horizontal stresses and the relative magnitudes of the three principal stresses. These fractures have a variety of shapes, variously referred to as petal, petal-centreline, saddle, cup, and scallop. Surprisingly, the morphology of the fractures suggests they are produc...

Personalized Stress Detection from Physiological Measurements

This paper describes a study on continuous, nonintrusive stress detection from physiological measurements, involving data collection, feature extraction, and model construction. We built a personalized stress detection model based on Support Vector Machines, and evaluated it on the collected data. Experimental results show that our model can detect stress with high precision.

Stacking of InAsÕInP„001... quantum wires studied by in situ stress measurements: Role of inhomogeneous stress fields

Size and spatial distribution homogeneity of nanostructures is greatly improved by making stacks of nanostructures separated by thin spacers. In this work, we present in situ and in real time stress measurements and reflection high-energy electron diffraction observations and ex situ transmission electron microscopy ~TEM! characterization of stacked layers of InAs quantum wires ~QWRs! separated...

Relating Crustal Structure and Stress Indicators in the Azores Islands