@article {Sproul1990,
	title = {Improved value for the silicon intrinsic carrier concentration at 300 K},
	journal = {Applied Physics Letters},
	volume = {57},
	year = {1990},
	note = {<br />},
	month = {1990},
	pages = {255},
	issn = {00036951},
	doi = {10.1063/1.103707},
	author = {A. B. Sproul and Martin A Green and Zhao, J.}
}
