US 7,531,892 B2
Superconducting boron nanostructures
Lisa Pfefferle, Branford, Conn. (US); and Dragos Ciuparu, New Haven, Conn. (US)
Assigned to Yale University, New Haven, Conn. (US)
Filed on Dec. 13, 2004, as Appl. No. 11/11,504.
Claims priority of provisional application 60/559724, filed on Apr. 06, 2004.
Claims priority of provisional application 60/528691, filed on Dec. 11, 2003.
Prior Publication US 2005/0256006 A1, Nov. 17, 2005
Int. Cl. H01L 39/12 (2006.01)
U.S. Cl. 257—661  [257/E39.006; 505/100; 977/762; 977/822; 977/932] 17 Claims
OG exemplary drawing
 
6. A one-dimensional superconducting device comprising a boron nanotube having a diameter of less than 50 nm and impregnated with an electron donor element, said boron nanotube having a superconducting transition temperature greater than 36 degrees K.