@article {birkel2013improving,
	title = {Improving the thermoelectric properties of half-Heusler TiNiSn through inclusion of a second full-Heusler phase: microwave preparation and spark plasma sintering of TiNi 1+ x Sn},
	journal = {Physical Chemistry Chemical Physics},
	volume = {15},
	number = {18},
	year = {2013},
	pages = {6990{\textendash}6997},
	publisher = {Royal Society of Chemistry},
	author = {Birkel, Christina S and Douglas, Jason E and Lettiere, Bethany R and Seward, Gareth and Verma, Nisha and Zhang, Yichi and Pollock, Tresa M and Seshadri, Ram and Stucky, Galen D}
}
@article {birkel2013influence,
	title = {Influence of Ni nanoparticle addition and spark plasma sintering on the TiNiSn{\textendash}Ni system: structure, microstructure, and thermoelectric properties},
	journal = {Solid State Sciences},
	volume = {26},
	year = {2013},
	pages = {16{\textendash}22},
	publisher = {Elsevier Masson},
	author = {Birkel, Christina S and Douglas, Jason E and Lettiere, Bethany R and Seward, Gareth and Zhang, Yichi and Pollock, Tresa M and Seshadri, Ram and Stucky, Galen D}
}
