Date: 13 July, 2022

Dataset Title: Nanophotonic control of thermal emission under extreme temperatures in air

Dataset Creators: Sean McSherry & Matthew Webb

Dataset Contact: Sean McSherry (mcsherry@umich.edu) & Andrej Lenert (alenert@umich.edu)

Funding: NSF, DARPA, DOE


Research Overview and Methodology:
A research article describing the overall goals, methods, and outcomes is found in the accompanying citation. The key outcomes of this work include:
- demonstrating immiscible, refractory oxide heterostructures that are stable up to 1100C in air
- demonstrating spectral control of thermal emission with BZHO/MgO photonic crystals


Instrument and/or Software specifications: MATLAB


Files contained here: The files contained here include raw data stored in .csv and .txt files collected from various materials characterization techniques. Also included are matlab files used to plot and analyze the raw data. Each matlab file is commented and describes the overall purpose of the file. Short descriptions of these files are found below:

	analysis file 1 - FTIR_analysis.m (This file plots the raw transmission spectrum of the photonic crystals)
		d361_transmittance.txt (Raw transmittance spectra for a photonic crystal with bilayer thickness of 361 nm before and after annealing)
		d393_transmittance.txt (Raw transmittance spectra for a photonic crystal with bilayer thickness of 393 nm before and after annealing)
		d482_transmittance.txt (Raw transmittance spectra for a photonic crystal with bilayer thickness of 482 nm before and after annealing)
		d570_transmittance.txt (Raw transmittance spectra for a photonic crystal with bilayer thickness of 570 nm before and after annealing)

	analysis file 2 - EDS_analysis.m (This file plots the raw atomic concentration line scans of BZHO/MgO heterostructures before and after annealing)
		Mg_EDS_preanneal.csv (5 linescans of atomic concentration of Mg before annealing)
		Ba_EDS_preanneal.csv (5 linescans of atomic concentration of Ba before annealing)
		Zr_EDS_preanneal.csv (5 linescans of atomic concentration of Zr before annealing)
		Hf_EDS_preanneal.csv (5 linescans of atomic concentration of Hf before annealing)
		Mg_EDS_postanneal.csv (5 linescans of atomic concentration of Mg after annealing)
		Ba_EDS_postanneal.csv (5 linescans of atomic concentration of Ba after annealing)
		Zr_EDS_postanneal.csv (5 linescans of atomic concentration of Zr after annealing)
		Hf_EDS_postanneal.csv (5 linescans of atomic concentration of Hf after annealing)

	analysis file 3 - refractive_index_vs_temp.m (This file plots the refractive index of BZHO and MgO up to 1100C)
		mgo_vs_temp.txt (extracted parameters from ellipsometry to calculate refractive index of MgO)
		mgo_vs_temp.txt (extracted parameters from ellipsometry to calculate refractive index of BZHO)

	analysis file 4 - efficiency.m (This file plots the efficiency of thermal emitters based on the measure emissivity of MgO:NiO with and without a BZHO/MgO photonic crystal)
		emissivity_with_filter_1350.txt (emissivity values of MgO:NiO with a BZHO/MgO photonic crystal captured at 1350C)
		emissivity_without_filter_1350.txt (emissivity values of MgO:NiO captured at 1350C)
		emissivity_with_filter_1265.txt (emissivity values of MgO:NiO with a BZHO/MgO photonic crystal captured at 1265C)
		emissivity_without_filter_1265.txt (emissivity values of MgO:NiO captured at 1265C)
	
Related publication(s):
McSherry, S., Webb, M., Kaufman, J., Deng, Z., Davoodabadi, A., Ma, T., Kioupakis, E., Esfarjani, K., Heron, J.T., Lenert, A (2022). Nanophotonic control of thermal emission under extreme temperatures in air. Nature Nanotechnology. Forthcoming.


Use and Access: 
This data set is made available under a Creative Commons Public Domain license (CC0 1.0).


To Cite Data: 
McSherry, S., Webb, M., Kaufman, J., Deng, Z., Davoodabadi, A., Ma, T., Kioupakis, E., Esfarjani, K., Heron, J.T., Lenert, A. (2022). Nanophotonic control of thermal emission under extreme temperatures in air [Data set]. University of Michigan - Deep Blue. https://doi.org/10.7302/bvre-r767