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Controlled Shifts of X-ray Emission Lines Measured with Transition Edge Sensors at the Advanced Photon Source
Tejas Guruswamy, Orlando Quaranta, Lisa Gades +2
The measurement of shifts in the energy of X-ray emission lines is important for understanding the electronic structure and physical properties of materials. In this study, we demo…
A high-speed, high-resolution Transition Edge Sensor spectrometer for soft X-rays at the Advanced Photon Source
Orlando Quaranta, Don Jensen, Kelsey Morgan +12
This project explores the design and development of a transition edge sensor (TES) spectrometer for resonant soft X- ray scattering (RSXS) measurements developed in collaboration b…
Temperature-induced hysteretic behavior of resistivity and magnetoresistance of electrodeposited bismuth films for X- ray transition-edge sensor absorbers
Orlando Quaranta, Nunzia Coppola, Lisa Gades +7
This study investigates the temperature-induced hysteretic behavior of resistivity and magnetoresistance in electrodeposited bismuth films, with a focus on their application as abs…
Signatures of Thermal and Electrical Crosstalk in a Microwave Multiplexed Hard X-ray Transition Edge Sensor Array
Panthita Triamkitsawat, Tejas Guruswamy, Orlando Quaranta +3
We investigate the crosstalk between Transition-Edge Sensor (TES) pixels in a prototype 24-pixel hard X-ray array fabricated at the Advanced Photon Source, Argonne National Laborat…
Absolute Energy Measurements with Superconducting Transition-Edge Sensors for Muonic X-ray Spectroscopy at 44 keV
Daikang Yan, Joel C. Weber, Tejas Guruswamy +25
Superconducting transition-edge sensor (TES) microcalorimeters have great utility in x-ray applications owing to their high energy resolution, good collecting efficiency and the fe…
High-resolution Compton spectroscopy using X-ray microcalorimeters
U. Patel, T. Guruswamy, A. J. Krzysko +7
X-ray Compton spectroscopy is one of the few direct probes of the electron momentum distribution of bulk materials in ambient and operando environments. We report high-resolution i…