@article {26305,
	title = {Hyperbolic optics and superlensing in room-temperature KTN from self-induced k-space topological transitions},
	journal = {Nature Communications},
	volume = {12},
	number = {7241},
	year = {2021},
	author = {Gelkop Y. and Di Mei, F. and Frishman, S. and Garcia, Y. and Falsi L. and Perepelitsa, G. and Conti, C. and DelRe, E. and Agranat, A.J.}
}
