<s>
Niobium	B-Algorithm
nanowires	I-Algorithm
are	O
nanowires	B-Architecture
made	O
of	O
the	O
element	O
niobium	O
,	O
which	O
is	O
a	O
transition	O
metal	O
.	O
</s>
<s>
Niobium	B-Algorithm
nanowires	I-Algorithm
in	O
form	O
oxide	O
or	O
nitride	O
are	O
used	O
to	O
detect	O
single	O
photons	O
at	O
low	O
temperatures	O
.	O
</s>
<s>
The	O
superconducting	B-Algorithm
nanowire	I-Algorithm
single-photon	I-Algorithm
detector	I-Algorithm
is	O
an	O
example	O
of	O
something	O
made	O
from	O
these	O
nano-structured	O
materials	O
.	O
</s>
