{
    "identifier": "ark:\/88434\/mds2-3991",
    "accessLevel": "public",
    "contactPoint": {
        "hasEmail": "mailto:[email protected]",
        "fn": "Ron B. Goldfarb"
    },
    "programCode": [
        "006:045"
    ],
    "landingPage": "",
    "title": "Radio-Frequency Toroid Susceptometry of Magnetic Nanoparticles",
    "description": "Numerical data for figures in the article, \"Radio-Frequency Toroid Susceptometry of Magnetic Nanoparticles: What Goes Around Comes Around,\" by Ronald B. Goldfarb, National Institute of Standards and Technology.",
    "language": [
        "en"
    ],
    "distribution": [
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%202%2C%20Magnetization%20versus%20internal%20field%20scaled%20by%20temperature%20for%20PBG%20200%20frozen%20in%20zero%20field.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Magnetization versus internal field scaled by temperature for PBG 200 frozen in zero field.",
            "mediaType": "text\/csv",
            "title": "Figure 2"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%203%2C%20Details%20of%20the%20magnetization%20curves%20widely%20spaced%20in%20temperature.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Details of the magnetization curves widely spaced in temperature.",
            "mediaType": "text\/csv",
            "title": "Figure 3"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%204%2C%20Langevin%20fits%20to%20the%20265%20K%20magnetization%20curve.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Langevin fits to the 265 K magnetization curve.",
            "mediaType": "text\/csv",
            "title": "Figure 4"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%205%2C%20For%20PBG%20200%2C%20field-cooled%2C%20zero-field-cooled%2C%20and%20thermoremanent%20magnetization%20as%20functions%20of%20temperature.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "For PBG 200, field-cooled, zero-field-cooled, and thermoremanent magnetization as functions of temperature.",
            "mediaType": "text\/csv",
            "title": "Figure 5"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2010%2C%20Real%2C%20imaginary%2C%20and%20modulus%20susceptibility%20for%20PBG%20900%20as%20functions%20of%20frequency%2C%20modified%20mean-field%20model.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real, imaginary, and modulus susceptibility for PBG 900 as functions of frequency, modified mean-field model.",
            "mediaType": "text\/csv",
            "title": "Figure 10"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2011%2C%20Comparison%20of%20susceptibility%20moduli%20for%20PBG%20900.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Comparison of susceptibility moduli for PBG 900.",
            "mediaType": "text\/csv",
            "title": "Figure 11"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2012%2C%20Comparison%20of%20susceptibility%20moduli%20for%20PBG%20600.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Comparison of susceptibility moduli for PBG 600.",
            "mediaType": "text\/csv",
            "title": "Figure 12"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2014%2C%20Modulus%20of%20susceptibility%20at%20100%20MHz%20for%20all%20filling%20fractions.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Modulus of susceptibility at 100 MHz for all filling fractions.",
            "mediaType": "text\/csv",
            "title": "Figure 14"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2013%2C%20Comparison%20of%20susceptibility%20moduli%20for%20PBG%20200.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Comparison of susceptibility moduli for PBG 200.",
            "mediaType": "text\/csv",
            "title": "Figure 13"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2016%2C%20Modulus%20of%20susceptibility%20at%201%20GHz%20for%20all%20filling%20fractions.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Modulus of susceptibility at 1 GHz for all filling fractions.",
            "mediaType": "text\/csv",
            "title": "Figure 16"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2015%2C%20Modulus%20of%20susceptibility%20at%20500%20MHz%20for%20all%20filling%20fractions.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Modulus of susceptibility at 500 MHz for all filling fractions.",
            "mediaType": "text\/csv",
            "title": "Figure 15"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2017%2C%20Particle%20loss%20tangent%20for%20PBG%20900%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Particle loss tangent for PBG 900 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 17"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2018%2C%20Imaginary%20part%20of%20susceptibility%20for%20PBG%20900%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Imaginary part of susceptibility for PBG 900 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 18"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2019%2C%20Particle%20loss%20tangent%20for%20PBG%20600%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Particle loss tangent for PBG 600 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 19"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2020%2C%20Imaginary%20part%20of%20susceptibility%20for%20PBG%20600%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Imaginary part of susceptibility for PBG 600 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 20"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2021%2C%20Particle%20loss%20tangent%20for%20PBG%20200%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Particle loss tangent for PBG 200 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 21"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%20A1%2C%20Distribution%20of%20particle%20diameters.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Distribution of particle diameters.",
            "mediaType": "text\/csv",
            "title": "Figure A1"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2023%2C%20Susceptibility%20moduli%20for%20evaporated%20PBG%20900%20with%20a%20filling%20fraction%20of%200.319.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Susceptibility moduli for evaporated PBG 900 with a filling fraction of 0.319.",
            "mediaType": "text\/csv",
            "title": "Figure 23"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%2022%2C%20Imaginary%20part%20of%20susceptibility%20for%20PBG%20200%20for%20the%20different%20models.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Imaginary part of susceptibility for PBG 200 for the different models.",
            "mediaType": "text\/csv",
            "title": "Figure 22"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%206%2C%20Real%20and%20imaginary%20parts%20of%20relative%20permeability%20of%20PBG%20900%20as%20functions%20of%20frequency.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real and imaginary parts of relative permeability of PBG 900 as functions of frequency.",
            "mediaType": "text\/csv",
            "title": "Figure 6"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%207%2C%20Real%2C%20imaginary%2C%20and%20modulus%20susceptibility%20for%20PBG%20900%20as%20functions%20of%20frequency%2C%20Langevin%20model.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real, imaginary, and modulus susceptibility for PBG 900 as functions of frequency, Langevin model.",
            "mediaType": "text\/csv",
            "title": "Figure 7"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/Figure%208%2C%20Real%2C%20imaginary%2C%20and%20modulus%20susceptibility%20for%20PBG%20900%20as%20functions%20of%20frequency%2C%20Weiss%20model.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real, imaginary, and modulus susceptibility for PBG 900 as functions of frequency, Weiss model.",
            "mediaType": "text\/csv",
            "title": "Figure 8"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%209%2C%20Real%2C%20imaginary%2C%20and%20modulus%20susceptibility%20for%20PBG%20900%20as%20functions%20of%20frequency%2C%20Onsager%20model.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real, imaginary, and modulus susceptibility for PBG 900 as functions of frequency, Onsager model.",
            "mediaType": "text\/csv",
            "title": "Figure 9"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%20C2%2C%20Real%20part%20of%20relative%20permeability%20of%20a%20toroid%20of%20frozen%20deionized%20water.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real part of relative permeability of a toroid of frozen deionized water.",
            "mediaType": "text\/csv",
            "title": "Figure C2"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/ark:\/88434\/mds2-3991\/Figure%20C1%2C%20Real%20part%20of%20relative%20permeability%20of%20a%20toroid%20of%20deionized%20water.csv",
            "format": "CSV UTF-8 Comma Delimited",
            "description": "Real part of relative permeability of a toroid of deionized water.",
            "mediaType": "text\/csv",
            "title": "Figure C1"
        },
        {
            "downloadURL": "https:\/\/data.nist.gov\/od\/ds\/mds2-3991\/3991_README.txt",
            "format": "TXT",
            "description": "Description of data set.",
            "mediaType": "text\/plain",
            "title": "3991_README"
        }
    ],
    "bureauCode": [
        "006:55"
    ],
    "modified": "2025-09-09 00:00:00",
    "publisher": {
        "@type": "org:Organization",
        "name": "National Institute of Standards and Technology"
    },
    "theme": [
        "Nanotechnology:Nanomagnetics"
    ],
    "keyword": [
        "Colloids",
        "dipole interactions",
        "ferrofluids",
        "impedance analyzers",
        "magnetic relaxation",
        "magnetic susceptibility",
        "magnetic viscosity",
        "nanoparticles",
        "permeability",
        "permeameters",
        "radio frequency",
        "standards",
        "superparamagnetism",
        "susceptometers",
        "toroids."
    ]
}