Hybrid superconducting/magnetic nanostructures on Si substrates have been built with identical physical dimensions but different magnetic configurations. By constructing arrays based on Co-dots with in-plane, out-of-plane, and vortex state magnetic configurations, the stray fields are systematically tuned. Dissipation in the mixed state of superconductors can be decreased (increased) by several orders of magnitude by decreasing (increasing) the stray magnetic fields. Furthermore, ordering of the stray fields over the entire array helps to suppress dissipation and enhance commensurability effects increasing the number of dissipation minima.

1.
A.
Yu. Aladyshkin
,
A. V.
Silhanek
,
W.
Gillijns
, and
V. V.
Moshchalkov
,
Supercond. Sci. Technol.
22
,
053001
(
2009
).
2.
M.
Velez
,
J. I.
Martin
,
J. E.
Villegas
,
A.
Hoffmann
,
E. M.
Gonzalez
,
J. L.
Vicent
, and
I. K.
Schuller
,
J. Magn. Magn. Mater.
320
,
2547
(
2008
).
3.
D. P.
de Lara
,
F. J.
Castaño
,
B. G.
Ng
,
H. S.
Körner
,
R. K.
Dumas
,
E. M.
Gonzalez
,
K.
Liu
,
C. A.
Ross
,
I. K.
Schuller
, and
J. L.
Vicent
,
Appl. Phys. Lett.
99
,
182509
(
2011
).
4.
M. J.
Van Bael
,
K.
Temst
,
V. V.
Moshchalkov
, and
Y.
Bruynseraede
,
Phys. Rev. B
59
,
14674
(
1999
).
5.
M. J.
Van Bael
,
J.
Bekaert
,
K.
Temst
,
L.
Van Look
,
V. V.
Moshchalkov
,
Y.
Bruynseraede
,
G. D.
Howells
,
A. N.
Grigorenko
,
S. J.
Bending
, and
G.
Borghs
,
Phys. Rev. Lett.
86
,
155
(
2001
).
6.
J. E.
Villegas
,
E. M.
Gonzalez
,
M. I.
Montero
,
I. K.
Schuller
, and
J. L.
Vicent
,
Phys. Rev. B
72
,
064507
(
2005
).
7.
M.
Baert
,
V. V.
Metlushko
,
R.
Jonckheere
,
V. V.
Moshchalkov
, and
Y.
Bruynseraede
,
Phys. Rev. Lett.
74
,
3269
(
1995
).
8.
S.
Avci
,
Z. L.
Xiao
,
J.
Hua
,
A.
Imre
,
R.
Divan
,
J.
Pearson
,
U.
Welp
,
W. K.
Kwok
, and
G. W.
Crabtree
,
Appl. Phys. Lett.
97
,
042511
(
2010
).
9.
J. E.
Villegas
,
E. M.
Gonzalez
,
Z.
Sefrioui
,
J.
Santamaria
, and
J. L.
Vicent
,
Phys. Rev. B
72
,
174512
(
2005
).
10.
J. I.
Martin
,
M.
Velez
,
J.
Nogues
, and
I. K.
Schuller
,
Phys. Rev. Lett.
79
,
1929
(
1997
).
11.
J. I.
Martin
,
M.
Velez
,
A.
Hoffmann
,
I. K.
Schuller
, and
J. L.
Vicent
,
Phys. Rev. Lett.
83
,
1022
(
1999
).
12.
M.
Velez
,
D.
Jaque
,
J. I.
Martin
,
M. I.
Montero
,
I. K.
Schuller
, and
J. L.
Vicent
,
Phys. Rev. B
65
,
104511
(
2002
).
13.
A. V.
Silhanek
,
L.
Van Look
,
S.
Raedts
,
R.
Jonckheere
, and
V. V.
Moshchalkov
,
Phys. Rev. B
68
,
214504
(
2003
).
14.
G.
Grimaldi
,
A.
Leo
,
A.
Nigro
,
A. V.
Silhanek
,
N.
Verellen
,
V. V.
Moshchalkov
,
M. V.
Milošević
,
A.
Casaburi
,
R.
Cristiano
, and
S.
Pace
,
Appl. Phys. Lett.
100
,
202601
(
2012
).
15.
A. V.
Silhanek
,
N.
Verellen
,
V.
Metlushko
,
W.
Gillijns
,
F.
Gozzini
,
B.
Ilic
, and
V. V.
Moshchalkov
,
Physica C
468
,
563
(
2008
).
16.
D. P.
de Lara
,
F. J.
Castaño
,
B. G.
Ng
,
H. S.
Körner
,
R. K.
Dumas
,
E. M.
Gonzalez
,
K.
Liu
,
C. A.
Ross
,
I. K.
Schuller
, and
J. L.
Vicent
,
Phys. Rev. B
80
,
224510
(
2009
).
17.
J. E.
Davies
,
J.
Wu
,
C.
Leighton
, and
K.
Liu
,
Phys. Rev. B
72
,
134419
(
2005
).
18.
R. K.
Dumas
,
C. P.
Li
,
I. V.
Roshchin
,
I. K.
Schuller
, and
K.
Liu
,
Phys. Rev. B
75
,
134405
(
2007
).
19.
B. J.
Kirby
,
S. M.
Watson
,
J. E.
Davies
,
G. T.
Zimanyi
,
K.
Liu
,
R. D.
Shull
, and
J. A.
Borchers
,
J. Appl. Phys.
105
,
07C929
(
2009
).
20.
J.
Wong
,
P.
Greene
,
R. K.
Dumas
, and
K.
Liu
,
Appl. Phys. Lett.
94
,
032504
(
2009
).
21.
M.
Donahue
and
D.
Porter
,
OOMMF User's Guide
, Version 1.0, NISTIR6376,
National Institute of Standards and Technology
,
Gaithersburg, MD
(Sept
1999
).
22.
D. J.
Morgan
and
J. B.
Ketterson
,
Phys. Rev. Lett.
80
,
3614
(
1998
).
23.
D. P.
de Lara
,
A.
Alija
,
E. M.
Gonzalez
,
M.
Velez
,
J. I.
Martin
, and
J. L.
Vicent
,
Phys. Rev. B
82
,
174503
(
2010
).
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