Single-crystal samples of CrSiTe3 were prepared by the self-flux technique13 . The structure and phase purity were confirmed by single-crystal and powder X-ray diffraction measurements at room temperature. The magnetization was measured using a Quantum Design SQUID-VSM magnetometer with the magnetic field applied parallel to the c axis of the sample. Isotherms were collected at an interval of 0.5 K around TC. Care has been taken to ensure that every curve was initially magnetized. The applied magnetic field Ha has been corrected by the demagnetization of the sample following the method described in ref. 29 (link) and the corrected H was used for the analysis of critical behavior.
Squid vsm magnetometer
Manufactured by Quantum Design
Sourced in United States
The SQUID-VSM magnetometer is a scientific instrument designed to measure the magnetic properties of materials. It utilizes a Superconducting Quantum Interference Device (SQUID) to detect and measure extremely small magnetic signals. The core function of this magnetometer is to provide accurate and sensitive measurements of the magnetic moments of samples.
Automatically generated - may contain errors
Lab products found in correlation
Vector27 spectrophotometer, by Bruker (2 mentions)
Emx 10 12, by Bruker (2 mentions)
D8 advance, by Bruker (2 mentions)
Perkin elmer 240c analyzer, by PerkinElmer (1 mentions)
Nanosizer zs90, by Malvern Panalytical (1 mentions)
240c analyzer, by PerkinElmer (1 mentions)
Tensor 37, by Bruker (1 mentions)
Tecnai g2 20 s twin, by Thermo Fisher Scientific (1 mentions)
Fluoromax 4 spectrofluorometer, by Horiba (1 mentions)
Titan chemistem, by Thermo Fisher Scientific (1 mentions)
Tga dsc 1 stare system, by Mettler Toledo (1 mentions)
Alpha300r confocal microscope, by WITec (1 mentions)
X pert pro diffractometer, by Malvern Panalytical (1 mentions)
Jem arm200f, by JEOL (1 mentions)
Xd 3a x ray diffractometer, by Shimadzu (1 mentions)
Tensor 27 spectrometer, by Bruker (1 mentions)
Vario micro cube elemental analyzer, by Elementar (1 mentions)
Ppms system, by Quantum Design (1 mentions)
Mpms xl 7, by Quantum Design (1 mentions)
240c elemental, by PerkinElmer (1 mentions)
16 protocols using squid vsm magnetometer
1
Magnetic Characterization of CrSiTe3
2
Quantifying SPION Uptake in Cells
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Cells incubated with SPION were washed and detached by trypsinization followed by washing and centrifugation. After performing a cell count, cells were centrifuged again and the pellet lyophilized overnight. The amount of SPION loaded into the cells was measured by superconducting quantum interference device (SQUID) magnetometry. A Quantum Design SQUID‐VSM magnetometer (Quantum Design Inc, San Diego, CA) was used to apply a magnetic field to each sample in the range of 7 T to −7 T at a temperature of 300 K. A background diamagnetic component from the sample holder and diamagnetic compounds in the sample was determined from the linear regions of the graph (at fields above +3T and below −3T) and removed. The saturation magnetic moment due to the SPION in the samples thus obtained was used to estimate the SPION mass per cell, assuming a saturation magnetization for the SPION of 73 emu/g. This was then plotted against the concentration of SPION in the incubation medium.
3
Characterization of Novel Magnetic Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
All the reagents and solvents were commercially available and used as received. FT-IR spectra were recorded on a Vector 27 Bruker Spectrophotometer by transmission through KBr pellets containing the ground crystals in the range 4000–400 cm−1. The powder X-ray diffraction patterns (PXRD) were collected at room temperature using a scan speed of 0.1 s/step on a Bruker Advance D8 diffractometer (40 kV, 40 mA) (Bruker, Karlsruhe, Germany) equipped with Cu radiation. Calculated PXRD patterns were generated using Mercury 3.0 [43 ]. Elemental analyses (EA) for C, H, and N were performed on a Perkin-Elmer 240C analyzer (PerkinElmer, Waltham, MA, USA). TGA data were obtained on a STA 449C thermal analysis system at a heating rate of 10 °C min−1 under N2 atmosphere. Magnetization measurements were performed using a Quantum Design SQUID VSM magnetometer (Quantum Design, Darmstadt, Germany) on polycrystalline samples for all compounds.
4
Magnetic Measurements of Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
The magnetic measurements of the compounds studied were carried out over the temperature range 4–300 K and at a magnetic induction of 0.1 T using the Quantum Design SQUID-VSM magnetometer (San Diego, CA, USA). The palladium rod sample was used for calibrating the SQUID magnetometer (San Diego, CA, USA). During data analysis the corrections for the sample holder and diamagnetism of the constituent atoms were taken into account [66 ].
5
Characterization of Iron Oxide Nanoparticles
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
FluidMAG-CT (polymer matrix: citric acid), 50 nm and 100 nm; FluidMAG-CMX (carboxymethyldextran), 50 nm; FluidMAG-DX (dextran), 50 nm; and FluidMAG-D (starch), 50 nm, nanoparticles were obtained from Chemicell (Berlin, Germany). Ferucarbotran® (carboxydextran) 60 nm-sized particles were obtained from Meito Sangyo Co., Ltd. (Nagoya, Japan).
The hydrodynamic diameter and ζ-potential of each iron oxide were determined by using a Nanosizer ZS90 (Malvern Instruments, Malvern, UK). A Quantum Design superconducting quantum interference device (SQUID) VSM magnetometer (Quantum Design Inc., San Diego, CA, USA) was used to assess the magnetic properties of the nanoparticles.
One milliliter solutions of 1 mg/mL were made up in water for both FluidMAG and Ferucarbotran to assess particle-heating capacities.
The hydrodynamic diameter and ζ-potential of each iron oxide were determined by using a Nanosizer ZS90 (Malvern Instruments, Malvern, UK). A Quantum Design superconducting quantum interference device (SQUID) VSM magnetometer (Quantum Design Inc., San Diego, CA, USA) was used to assess the magnetic properties of the nanoparticles.
One milliliter solutions of 1 mg/mL were made up in water for both FluidMAG and Ferucarbotran to assess particle-heating capacities.
6
Comprehensive Spectroscopic Characterization of Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Elemental analyses for C, H, N, and S were performed on Perkin-Elmer 240C analyzer. FT-IR data were recorded on Vector27 Bruker Spectrophotometer with KBr pellets in the 4000–400 cm−1 region. TGA data were obtained on an STA 449C thermal analysis system with a heating rate of 10 °C min−1 under N2 atmosphere. The PXRD were collected with a scan speed of 0.1 s deg−1 on a Bruker Advance D8 (40 kV, 40 mA) diffractometer with Cu radiation (λ = 1.54056 Å) at room temperature. Calculated PXRD patterns were generated using Mercury 3.0. Magnetic susceptibility measurements were performed using a Quantum Design SQUID VSM magnetometer on microcrystalline samples for all compounds. EPR spectra were obtained by using a Bruker EMX-10/12 variable-temperature apparatus at 110 K. Gas sorption measurements were conducted using a Micrometritics ASAP 2020 system. See Supplementary Methods for details.
7
Comprehensive Characterization of Nanoparticles
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Powder X-ray diffraction
(PXRD) data of the samples were obtained with a D8 Advance Bruker,
equipped with Cu Kα (1.540 60 Å) as the incident
radiation. The morphology of the as-prepared nanoparticles and nanocomposites
was measured using the field-emission scanning electron microscopy
(FESEM) of NOVA NanoSEM 450 and transmission electron microscopy (TEM)
of FEI Tecnai G2 20 S-Twin, 200 kV. The atomistic level growth of
nanoparticles and nanocomposites was confirmed using high-resolution
(HR) TEM. The FTIR measurement was performed using a Bruker Tensor
37. Photoluminescence (PL) spectra were recorded using a Horiba Jobin
Yvon Fluoromax-4 spectrofluorometer. Raman spectra were measured using
a Renishaw via a Raman microscope. Nuclear magnetic resonance spectrometry
(JEOL Bruker ECX 500 (500 MHz)) was used for measuring NMR spectra
in CDCl3. The magnetization measurement was performed using
a Quantum Design SQUID-VSM magnetometer at 2 and 300 K.
(PXRD) data of the samples were obtained with a D8 Advance Bruker,
equipped with Cu Kα (1.540 60 Å) as the incident
radiation. The morphology of the as-prepared nanoparticles and nanocomposites
was measured using the field-emission scanning electron microscopy
(FESEM) of NOVA NanoSEM 450 and transmission electron microscopy (TEM)
of FEI Tecnai G2 20 S-Twin, 200 kV. The atomistic level growth of
nanoparticles and nanocomposites was confirmed using high-resolution
(HR) TEM. The FTIR measurement was performed using a Bruker Tensor
37. Photoluminescence (PL) spectra were recorded using a Horiba Jobin
Yvon Fluoromax-4 spectrofluorometer. Raman spectra were measured using
a Renishaw via a Raman microscope. Nuclear magnetic resonance spectrometry
(JEOL Bruker ECX 500 (500 MHz)) was used for measuring NMR spectra
in CDCl3. The magnetization measurement was performed using
a Quantum Design SQUID-VSM magnetometer at 2 and 300 K.
8
Thermal Annealing of Oleate-Capped Magnetite Nanoparticles
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Colloidal magnetite NPs were prepared
in aqueous reaction medium using a previously reported hydrothermal
method;12 the detailed synthesis procedure
is described in theSupporting Information (SI) . During synthesis, sodium oleate was used as a surfactant for the
formation of OL-capped magnetite NPs, which are colloidally stable
in organic solvents for long periods of time. To investigate their
structural evolution with thermal treatment, as-synthesized OL-capped
NPs (OL-HT ) were annealed for 2 h at 650 and 900 K (OL-HT-650K and OL-HT-900K , respectively) under
a static vacuum.
The NPs were characterized by magnetization
measurements (SQUID-VSM magnetometer, Quantum Design), thermogravimetric
analysis (TGA)/ differential scanning calorimetry (DSC) (TGA/DSC 1
STARe system, Mettler-Toledo), powder X-ray diffraction
(XRD) (X’Pert PRO diffractometer, PANalytical),13 Raman scattering (alpha300 R confocal microscope,
WITec), transmission electron microscopy (TEM), high-resolution TEM
(HRTEM), high-angle annular dark-field scanning TEM (HAADF-STEM),
and energy-dispersive X-ray spectroscopy in STEM mode (STEM-EDX) [Tecnai
G2 30 UT, Titan ChemiSTEM (FEI) and JEM-ARM200F (JEOL)
microscopes], and 57Fe Mössbauer spectroscopy.14 Detailed descriptions of NP characterization
techniques are presented in theSI .
in aqueous reaction medium using a previously reported hydrothermal
method;12 the detailed synthesis procedure
is described in the
formation of OL-capped magnetite NPs, which are colloidally stable
in organic solvents for long periods of time. To investigate their
structural evolution with thermal treatment, as-synthesized OL-capped
NPs (
a static vacuum.
The NPs were characterized by magnetization
measurements (SQUID-VSM magnetometer, Quantum Design), thermogravimetric
analysis (TGA)/ differential scanning calorimetry (DSC) (TGA/DSC 1
STARe system, Mettler-Toledo), powder X-ray diffraction
(XRD) (X’Pert PRO diffractometer, PANalytical),13 Raman scattering (alpha300 R confocal microscope,
WITec), transmission electron microscopy (TEM), high-resolution TEM
(HRTEM), high-angle annular dark-field scanning TEM (HAADF-STEM),
and energy-dispersive X-ray spectroscopy in STEM mode (STEM-EDX) [Tecnai
G2 30 UT, Titan ChemiSTEM (FEI) and JEM-ARM200F (JEOL)
microscopes], and 57Fe Mössbauer spectroscopy.14 Detailed descriptions of NP characterization
techniques are presented in the
9
Analytical Characterization of a Novel Compound
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
The elemental analyses for C, H and N were performed in a PE240C elemental analyzer. The infrared spectra were recorded on a Bruker Tensor 27 spectrometer with ATR mode. Thermal analyses were performed in nitrogen with a heating rate of 5 °C min−1 on a TGA-DTA V1.1b Inst 2100 instrument. The powder XRD patterns were recorded on a Shimadzu XD-3A X-ray diffractometer. Magnetization were measured using a Quantum Design SQUID VSM magnetometer. The magnetization data were corrected for the diamagnetic contributions of both the sample holder and the compound obtained from Pascal's constants.19
10
Magnetic Susceptibility of Crystalline Solids
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
The temperature-dependent molar magnetic susceptibility of crystalline solid samples was measured on a Quantum Design SQUID-VSM magnetometer with an applied field of 5000 G or 2000 G. The magnetic susceptibility data were corrected for the diamagnetic contribution of the capsule and the sample holder. Molar susceptibility data were corrected for diamagnetic contribution of Pascal’s constants53 (link), The ESR measurements were obtained with a Bruker EMX-10/12 and EPR-plus X-band (9.4 GHz) digital EPR spectrometer with Bruker N2-temperature controller. Spectral analysis and simulations were performed using the EasySpin program.
About PubCompare
Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.
We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.
However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.
Ready to get started?
Sign up for free.
Registration takes 20 seconds.
Available from any computer
No download required
Revolutionizing how scientists
search and build protocols!