Mpms xl 5

Manufactured by Quantum Design

Sourced in United States

The MPMS-XL-5 is a versatile superconducting quantum interference device (SQUID) magnetometer for measuring magnetic properties of materials. It provides accurate measurements of magnetization, susceptibility, and hysteresis loops over a wide range of temperatures and magnetic fields.

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MPMS-XL (77 citations) MPMS XL-5 SQUID magnetometer (27 citations) MPMS-5S (26 citations) MPMS-XL-5 SQUID susceptometer (5 citations) QD-MPMS-XL-5 (3 citations) MPMS-XL-5 magnetometer (2 citations)

33 protocols using mpms xl 5

Magnetic Characterization of Inorganic Samples

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The ICP-MS analysis was conducted at the Universidad de Valencia (Sección de Espectrometría Atómica y Molecular). Samples were digested in an acid medium.
Magnetic data were collected over the bulk material using a Quantum Design superconducting quantum interference device (SQUID) MPMS-XL-5. The magnetic susceptibility of the samples was corrected considering the diamagnetic contributions of their atomic constituents as deduced from Pascal's constant tables and the sample holder. In addition, a small TIP term (χ_M = C/(T − θ) + χ_TIP) was applied as previously reported for the hydroxide samples.^{65 (link)} The DC data were recorded under an externally applied field of 1000 Oe in the 2–300 K temperature range. All magnetic measurements were carried out in eicosane, as this diamagnetic material allows for better immobilization of these small anisotropic crystals, precluding any artefact in the magnetic measurements.

Seijas-Da Silva A., Oestreicher V., Coronado E, & Abellán G. (2022). Influence of Fe-clustering on the water oxidation performance of two-dimensional layered double hydroxides. Dalton Transactions (Cambridge, England : 2003), 51(12), 4675-4684.

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Magnetic Characterization of Crystalline Samples

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Samples of Q-3 and Q-4 were prepared by compacted powder molded from ground crystalline samples. Each sample was covered with the minimum amount of liquid eicosane (40 °C) in order to prevent crystallite torquering. Variable-temperature susceptibility measurements were carried out in the temperature range 2–300 K on a magnetometer equipped with a SQUID sensor (Quantum Design MPMS-XL-5). The data were corrected for diamagnetic contribution from eicosane and for the diamagnetic contributions of the polyanions as deduced by using the Pascal's constant tables. Isothermal magnetization measurements at low temperature (2 K and 5 K) were performed up to a field of 5 T in the same apparatus.

Duan Y., Clemente-Juan J.M., Giménez-Saiz C, & Coronado E. (2018). Large Magnetic Polyoxometalates Containing the Cobalt Cubane ‘[CoIIICo(OH)3(H2O)6–m(PW9O34)]3−' (m = 3 or 5) as a Subunit. Frontiers in Chemistry, 6, 231.

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Comprehensive Characterization of Materials

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Scanning electron microscopy (SEM) and SEM-energy dispersive X-ray spectroscopy (EDX) were carried out on a JEOL, JSM-7600 F instrument. Transmission electron microscopy (TEM) was carried out on a JEOL, 2000FX, 200 kV electron microscope. Magnetic susceptibilities were measured on a superconducting quantum interference device (SQUID) magnetometer, Quantum Design, MPMSXL-5. IV properties were measured using a electrochemical analyzer, BAS, Model ALS/DY2323 BI-POTENTIOSTAT. The temperature dependence of the electrical resistivity was measured by means of a Keithley, 2182 A Digital Nanovoltmeter. X-ray photo-electron spectroscopy was carried out a Thermo Scientific, ThetaProbe Angle-Resolved X-ray Photoelectron Spectrometer System. Thermogravimetric analysis (TGA) was carried out on a SEIKO, EXSTAR TG/DTA 6300 thermogravimetric analyzer. Micro Raman spectroscopy was performed on a Jasco, NRS-3100 spectrometer, with a 532 nm excitation source. Fourier transform infrared spectroscopy was performed on a PerkinElmer, Spectrum Two spectrometer. Powder X-ray diffraction (PXRD) patterns were obtained on a Rigaku, MiniFlex II X-ray diffractometer.

Sekimoto Y., Ohtani R., Nakamura M., Koinuma M., Lindoy L.F, & Hayami S. (2017). Tuneable pressure effects in graphene oxide layers. Scientific Reports, 7, 12159.

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Comprehensive Characterization of Materials

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The morphology of materials and cells, as well as the element mapping images were characterized by TEM (JEM-2100F, Jeol, Japan). The surface morphology was assessed by SEM (Magellan 400, FEI Company, Japan). The elemental compositions and concentrations of gold (Au), cobalt (Co), and iron (Fe) were studied by X-ray photoelectron spectroscopy (XPS, ESCALAB 250, Thermo Fisher Scientific, Massachusetts, USA) and inductively-coupled plasma mass spectrometry (ICP-MS; iCAP RQ, Thermo Fisher Scientific, Massachusetts, USA), respectively. The XRD patterns were recorded by a diffractometer (Rigaku D/Max-2550 V). The hydrodynamic sizes and zeta potentials of materials were measured by a Zetasizer Nanoseries (Nano ZS90, United Kingdom). The UV–vis spectra of materials were acquired by using spectrophotometer (Shimadzu UV-3600, Shimadzu Coporation, Kyoto, Japan). The hysteresis loops of materials were obtained by a low temperature magnetic measurement (MPMS XL5, Quantum Design, Calfornia, USA).

Shu Y., Ma M., Pan X., Shafiq M., Yu H, & Chen H. (2022). Cobalt protoporphyrin-induced nano-self-assembly for CT imaging, magnetic-guidance, and antioxidative protection of stem cells in pulmonary fibrosis treatment. Bioactive Materials, 21, 129-141.

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Magnetic Properties Investigation of Complex 1

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Magnetic properties were investigated
using a Quantum Design MPMS-XL5. Measurements of the temperature dependence
of the magnetic moment were performed in a magnetic field of 1 kOe
in zero-field-cooled (ZFC) and field-cooled (FC) regimes at temperatures
from 1.8 to 300 K. The field dependence of magnetization was measured
in magnetic fields up to 5 kOe at temperatures of 1.8 and 4.5 K. The
diamagnetic contribution of the gelatin capsule, the sample itself
(estimated using Pascal’s constants), and the typical value
of the temperature-independent paramagnetic susceptibility of Ni²⁺ ions (100 × 10^–6 emu/mol) for complex 1 were subtracted from the raw data.

Šterbinská S., Holub M., Čižmár E., Černák J., Falvello L.R, & Tomás M. (2023). An Old Crystallization Technique as a Fast, Facile, and Adaptable Method for Obtaining Single Crystals of Unstable “Li2TCNQF4” and New Compounds of TCNQ or TCNQF4: Syntheses, Crystal Structures, and Magnetic Properties. Crystal Growth & Design, 23(6), 4357-4369.

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Lyophilized Sample Magnetic Measurements

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Magnetic measurements were performed on lyophilised samples using a magnetometer (Quantum Design MPMS-XL-5, Quantum Design Europe, Darmstadt Germany) equipped with a SQUID sensor.

Jurado R, & Gálvez N. (2021). Apoferritin Amyloid-Fibril Directed the In Situ Assembly and/or Synthesis of Optical and Magnetic Nanoparticles. Nanomaterials, 11(1), 146.

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Magnetic Hysteresis Loop of CNCs

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The hysteresis loop, M(H), of the as-synthesized CNCs samples was recorded at room temperature by means of a Superconducting Quantum Interference Device (SQUID) magnetometer (Quantum Design MPMS XL5, San Diego, CA, USA). This magnetic measurement was performed by sweeping the field between −1 ≤ H ≤ +1 Tesla, and utilizing a powder sample that was produced after drying a small quantity of the purified colloidal dispersion of the nanoclusters.

Kostopoulou A., Brintakis K., Fragogeorgi E., Anthousi A., Manna L., Begin-Colin S., Billotey C., Ranella A., Loudos G., Athanassakis I, & Lappas A. (2018). Iron Oxide Colloidal Nanoclusters as Theranostic Vehicles and Their Interactions at the Cellular Level. Nanomaterials, 8(5), 315.

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Characterization of Mn3O4@CNT Composite

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The composite was characterized by X-ray diffraction (XRD, Stadi P (Stoe)) using Cu K_α1 radiation (λ = 1.5406 Å), scanning electron microscopy (SEM, Nova NanoSEM 200, FEI Company) and transmission electron microscopy (TEM, Jeol JEM, 2010 F). SEM images were obtained either in the back scattered electrons (BSE) mode or in the secondary electrons (SE) mode. Measurements of the particle diameter were accomplished with the program ImageJ^{40 (link)}. A SDT Q600 (TA Instruments) was used for thermogravimetric analysis (TGA). During TGA measurements the filled CNT were burned at a heating rate of 5 K min⁻¹ up to 850 °C under the flow of synthetic air. Magnetic measurements of Mn₃O₄@CNT were performed by means of a MPMS-XL5 (Quantum Design) SQUID magnetometer with powder samples. The temperature was varied between 2 and 300 K according to zero-field-cooling (ZFC)/field-cooled-cooling (FCC) procedures at 100 Oe. Hysteresis loops were obtained at 5 and 300 K in magnetic fields of up to ± 5 T.

Ottmann A., Scholz M., Haft M., Thauer E., Schneider P., Gellesch M., Nowka C., Wurmehl S., Hampel S, & Klingeler R. (2017). Electrochemical Magnetization Switching and Energy Storage in Manganese Oxide filled Carbon Nanotubes. Scientific Reports, 7, 13625.

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Magnetization Characterization of Ferrites

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The static response of the sample magnetization to the applied magnetic fields, ie, the M(H) curve, was measured at 295 K using a commercial susceptometer (MPMS XL5; Quantum Design Inc., San Diego, CA, USA). The data were corrected with respect to the magnetization of the empty sample holder as well as the dispersion medium. In order to get the specific magnetization M, M was divided by the volume fraction of magnetite, φ, which is calculated from the iron content of the sample.

Lugert S., Unterweger H., Mühlberger M., Janko C., Draack S., Ludwig F., Eberbeck D., Alexiou C, & Friedrich R.P. (2018). Cellular effects of paclitaxel-loaded iron oxide nanoparticles on breast cancer using different 2D and 3D cell culture models. International Journal of Nanomedicine, 14, 161-180.

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Magnetic Bead Dispersion Characterization

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The M(H) curves of the fluid magnetic bead dispersions were measured using a commercial susceptometer (MPMS XL5, Quantum Design) which works with highly sensitive SQUID sensors. The samples were filled in polycarbonate capsules which in turn were fixed within a straw in order to center the samples inside the pickup coil system. Prior to the measurement, an empty capsule was measured, the signal of which was then subtracted from the data yielding the signal of the dispersion. Finally, the diamagnetic contribution of the dispersion medium (water) was subtracted from the data yielding the M(H)-curve of the magnetic microbeads. The M(H) curves of the bead-labeled cells were scaled to the reference curve of the applied microbeads with the scaling factor k=MRef(18 kA m^-1)/M(18 kA m^-1).

Biederbick C., Heinemann J.C., Rieck S., Winkler F., Ottersbach A., Schiffer M., Duerr G.D., Eberbeck D., Hesse M., Röll W, & Wenzel D. (2023). Combined use of magnetic microbeads for endothelial cell isolation and enhanced cell engraftment in myocardial repair. Theranostics, 13(3), 1150-1164.

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