\/svg>","ionicons-filled--link":"<\/svg>"}) Accessibility Tools Invert colors Monochrome Dark contrast Light contrast Low saturation High saturation Highlight links Highlight headings Screen reader Read mode Content scaling 100% Font size 100% Line height 100% Letter spacing 100% Skip to main content PL The Institute The Institute General information Emploees News Scientific News Gender equality plan Address and contact data Research Research profile List of publications Information in BIP Scientific Council Organizational structure GDPR Events Seminars Current seminars List of seminars Conferences Current conferences Past conferences For students Doctoral school General Information Curriculum Recruitment School Council Doctoral Student Council Teaching Doctoral students Mid-term evaluation For students Master theses Student training Visiting the Institute For employees Institute e-mail Eduroam Publication registry Contact us Address and contact data Important phone numbers and emails PL The Institute The Institute General information Emploees News Scientific News Gender equality plan Address and contact data Research Research profile List of publications Information in BIP Scientific Council Organizational structure GDPR Events Seminars Current seminars List of seminars Conferences Current conferences Past conferences For students Doctoral school General Information Curriculum Recruitment School Council Doctoral Student Council Teaching Doctoral students Mid-term evaluation For students Master theses Student training Visiting the Institute For employees Institute e-mail Eduroam Publication registry Contact us Address and contact data Important phone numbers and emails Events Home Events List of seminars Seminar of International Laboratory of High Magnetic Fields and Low Temperatures PAS 14:00, 16-12-08 ul. Gajowicka 95, sala seminaryjna (nowy budynek, II piętro) Effect of pressure on critical parameters and microstructure of doped MgB2Grzegorz GajdaThe results of the irreversibility magnetic field and critical temperature were showed for cylindrical sample. These samples were doped with erbium oxide in range from 1-3%. Furthermore, the MgB2 material was made the carbon encapsulated boron. The cylindrical samples were paced in the Nb foil and steel container with dimensions of 6x6 [mm]. The next step were annealed in 1 GPa pressure at 800 oC by 1 h (at argon gas). We show results for samples after HIP process and wi thout HIP process. All the samples were prepared and annealed at the Institute of High Pressure Physics in Warsaw. The measurements of the critical temperature and the hysteresis loop were done at International Laboratory of High Magnetic Fields and Low Temperatures Wroclaw by using a vibrating magnetometer (VSM) up to 14T. The critical current density (Jc) was determined from the Bean model. The calculations allows to determine the pinning force and changes of Jc and Fp in depending on the processing methods. The XRD analysis were made by the Tele @ Radio Research Institute and the Częstochowa University of Technology.
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The results of the irreversibility magnetic field and critical temperature were showed for cylindrical sample. These samples were doped with erbium oxide in range from 1-3%. Furthermore, the MgB2 material was made the carbon encapsulated boron. The cylindrical samples were paced in the Nb foil and steel container with dimensions of 6x6 [mm]. The next step were annealed in 1 GPa pressure at 800 oC by 1 h (at argon gas). We show results for samples after HIP process and wi thout HIP process. All the samples were prepared and annealed at the Institute of High Pressure Physics in Warsaw. The measurements of the critical temperature and the hysteresis loop were done at International Laboratory of High Magnetic Fields and Low Temperatures Wroclaw by using a vibrating magnetometer (VSM) up to 14T. The critical current density (Jc) was determined from the Bean model. The calculations allows to determine the pinning force and changes of Jc and Fp in depending on the processing methods. The XRD analysis were made by the Tele @ Radio Research Institute and the Częstochowa University of Technology.