Results 191 to 200 of about 32,667 (253)

Facet‐Dependent Activity of Fe3S4 Crystal in Peroxydisulfate Activation for Organic Pollutants Degradation

open access: yesAdvanced Science, Volume 13, Issue 56, 9 October 2026.
Fe3S4 crystal with the exposed [001] facet exhibits higher catalytic activity for activating peroxydisulfate (PDS) to degrade clothianidin (CLO), which can be attributed to the dissolved Fe‐induced homogeneous catalytic process; while Fe3S4 crystal with the exposed [1‐21] facet exhibits excellent catalytic stability and durability, thereby boosting the
Jiaqu Tan   +6 more
wiley   +1 more source

6.1% Volumetric Negative Thermal Expansion Induced by the Reversible Reconstructive Phase Transition in Pb‐Free Bi1−xLnxCoO3 (Ln: Lanthanoid)

open access: yesAdvanced Science, Volume 13, Issue 59, 23 October 2026.
Perovskite‐type oxide lanthanoid‐substituted BiCoO3 exhibits a reversible negative thermal expansion (NTE) originated from the coordination change from the CoO5 pyramid to the CoO6 octahedron due to melting of the dxy orbital ordering in the d6 electron configuration, and the 6.1% volume shrinkage in Bi0.82Nd0.18CoO3 is the largest ever observed in the
Yuki Sakai   +10 more
wiley   +1 more source

Enhanced Spin‐Reorientation Transition and Polarization in DyFeO3 Thin Films

open access: yesAdvanced Electronic Materials, Volume 12, Issue 20, 26 October 2026.
Epitaxial strain in antiferromagnetic orthoferrite thin films enhances known bulk properties into a parameter range that makes them more accessible for potential applications. We show that bulk polar properties move from 4 K towards room temperature and the magnetic field‐induced AFM to FM spin‐flip in the paramagnetic Dy lattice when applying small ...
Banani Biswas   +7 more
wiley   +1 more source

Experimental methods in chemical engineering: Magnetometry

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 10, Page 5176-5188, October 2026.
Abstract Magnetometry is a non‐invasive technique to characterize the behaviour of magnetic materials of which the most common contain Fe, Co, and Ni. Vibrating sample magnetometers (VSMs) vibrate samples at a fixed frequency in a static, homogeneous magnetic field to induce a voltage in pick up coils according to Faraday's law of induction.
Michael Claeys   +3 more
wiley   +1 more source
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Ferromagnetic micromechanical magnetometer

Sensors and Actuators A: Physical, 2001
A novel micromechanical magnetometer has been designed, fabricated, and tested that consists of low-stress electrodeposited hard magnetic alloys and surface micromachined polysilicon structures. The sensor responds to applied magnetic fields without consuming any power and the magnitude of the response is scale independent. By optically measuring their
Henry H. Yang   +7 more
openaire   +1 more source

A Recording Torque Magnetometer

Review of Scientific Instruments, 1950
This instrument produces, automatically, a curve of torque versus angle of orientation for a thin iron or steel disk in a strong magnetic field. A resistance strain gauge converts the torque acting on the disk specimen to a small d.c. voltage, which is recorded on a ``strip-chart'' recording potentiometer.
openaire   +2 more sources

Dynamic analysis of atomic magnetometer and co-magnetometer

Physica B: Condensed Matter, 2016
Abstract Some unsteady-state solutions of Bloch equation which well-describe the behavior of a magnetometer are obtained. These solutions are in accord with the experimental result of alkali-metal magnetometer and co-magnetometer gyroscope. Many interesting phenomena can be also achieved via the solutions.
Shihu Wang, Linke Yu, Wei Wang
exaly   +2 more sources

Cavity Optomechanical Magnetometers

2016
This chapter introduces a new form of magnetometer which combines precision cavity optomechanical measurement with magnetostrictive material response. Such magnetometers can be fabricated on-chip and function both at room temperature and in earths magnetic field.
Bowen, Warwick P., Yu, Changqiu
openaire   +3 more sources

Magnetometers

2022
Dario Paci   +2 more
openaire   +1 more source

Recent Progress of Atomic Magnetometers for Geomagnetic Applications

Sensors, 2023
Tian Zhao, Xiaojuan Zhang, Guangyou Fang
exaly  

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