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A material for use in a magnetic resonance system includes a carrier material and a doping material. The carrier material and the doping material are admixed in a specific proportion. A volume of the material smaller than 1 mm2 contains a substantially homogeneous intermixing of the carrier material

A material for use in a magnetic resonance system includes a carrier material and a doping material. The carrier material and the doping material are admixed in a specific proportion. A volume of the material smaller than 1 mm2 contains a substantially homogeneous intermixing of the carrier material and the doping material.

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1. A material for use in a magnetic resonance system, the material comprising: a carrier materials; anda magnetic doping material which is admixed in a specific proportion with the carrier material for producing the material for use in the magnetic resonance system,wherein a volume of the material w

1. A material for use in a magnetic resonance system, the material comprising: a carrier materials; anda magnetic doping material which is admixed in a specific proportion with the carrier material for producing the material for use in the magnetic resonance system,wherein a volume of the material which is smaller than 1 mm3 contains a substantially homogeneous intermixing of the carrier material and the doping material, andwherein the material has a T2* relaxation time of nuclear spins in the volume which is reduced by a factor of at least 2 compared to a corresponding T2* relaxation time of the carrier material. 2. The material as claimed in claim 1, wherein a particle size of the doping material is smaller than approximately 200 μm. 3. The material as claimed in claim 2, wherein the particle size of the doping material is smaller than approximately 10 μm. 4. The material as claimed in claim 1, wherein the doping material comprises magnetic nanoparticles and wherein a particle size of the doping material is smaller than approximately 1 μm. 5. The material as claimed in claim 4, wherein the particle size of the doping material is smaller than approximately 100 nm. 6. The material as claimed in claim 4, wherein the magnetic nanoparticles are ferromagnetic. 7. The material as claimed in claim 1, wherein the proportion of the magnetic doping material admixed in the carrier material is in the range of 0.1%-80% by weight or volume. 8. The material as claimed in claim 7, wherein the proportion of the magnetic doping material admixed in the carrier material is in the range of 1%-20% by weight or volume. 9. The material as claimed in claim 1, wherein the carrier material is an acrylonitrile butadiene styrene (ABS) plastic. 10. The material as claimed in claim 1, wherein the carrier material is selected from the group consisting of: thermoplastics, thermoplastic elastomers, elastomers, thermosets, foams. 11. The material as claimed in claim 1, wherein the doping material is selected from a first group of diamagnetic materials consisting of the elements: graphite, bismuth; or from a second group of paramagnetic materials consisting of the elements: platinum, chromium, tungsten, ferritin. 12. The material as claimed in claim 1, wherein the material has a macroscopic magnetic susceptibility which is substantially equal to a susceptibility of water or tissue or organic material or air. 13. The material as claimed in claim 1, wherein the material has a macroscopic magnetic susceptibility which is unequal to at least a susceptibility of water and tissue and organic material and air. 14. The material as claimed in claim 1, wherein the factor is 4. 15. The material as claimed in claim 1, wherein the material comprises a magnetic further doping material which is admixed in a further proportion, wherein the volume contains a homogeneous intermixing of the carrier material and the doping material and the further doping material and wherein a preceding sign of a susceptibility of the further doping material is unequal to a preceding sign of a susceptibility of the doping material. 16. The material as claimed in claim 15, wherein a particle size of the further doping material is smaller than 100 μm. 17. The material as claimed in claim 15, wherein the proportion and the further proportion are different so that a macroscopic susceptibility is equal to a specific value. 18. A method for producing a material for use in a magnetic resonance system, the method comprising: melting a carrier material made of plastic via an extruder, andadmixing a proportion of a magnetic doping material with the carrier material for producing the material for use in the magnetic resonance system,wherein a volume of the material which is smaller than 1 mm3 contains a homogeneous intermixing of the carrier material with the doping material, andwherein the material has a T2* relaxation time of nuclear spins in the volume which is reduced by a factor of at least 2 compared to a corresponding T2* relaxation time of the carrier material. 19. A magnetic resonance system with a sensitive range, wherein the magnetic resonance system is set up in order to obtain magnetic resonance data for imaging within the sensitive range, wherein the magnetic resonance system comprises: components for imaging within the sensitive range,wherein the components comprise a material comprising a carrier material and a magnetic doping material which is admixed in a proportion with the carrier material,wherein a volume of the material which is smaller than 1 mm3 contains a homogeneous intermixing of the carrier material and the doping material, andwherein the material has a T2* relaxation time of nuclear spins in the volume which is reduced by a factor of at least 2 compared to a corresponding T2* relaxation time of the carrier material.