Magnetocapacitance is a property of some
dielectric
In electromagnetism, a dielectric (or dielectric medium) is an electrical insulator that can be polarised by an applied electric field. When a dielectric material is placed in an electric field, electric charges do not flow through the m ...
, insulating materials, and metal–insulator–metal heterostructures that exhibit a change in the value of their
capacitance
Capacitance is the capability of a material object or device to store electric charge. It is measured by the change in charge in response to a difference in electric potential, expressed as the ratio of those quantities. Commonly recognized a ...
when an external
magnetic field
A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and t ...
is applied to them. Magnetocapacitance can be an intrinsic property of some dielectric materials, such as
multiferroic compounds like BiMnO
3, or can be a manifest of properties extrinsic to the dielectric but present in capacitance structures like Pd, Al
2O
3, and Al.
[{{cite journal , last=McCarthy , first=K.T. , date=March 2003 , title=Magnetocapacitance: Probe of Spin-Dependent Potentials , journal=]Physical Review Letters
''Physical Review Letters'' (''PRL''), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society. As also confirmed by various measurement standards, which include the '' Jou ...
, volume=90, issue=11, page=117201 , doi=10.1103/PhysRevLett.90.117201 , pmid=12688961 , bibcode=2003PhRvL..90k7201M, arxiv = cond-mat/0206427 , s2cid=36990803 , display-authors=etal
References
Condensed matter physics
Quantum electronics
Spintronics