Semiconductor Spintronic Magnetoresistance Vs Field Calculator

Audit complete actual field-resistance trace against measured zero-field reference, distinct from scalar parallel/antiparallel TMR or polarization estimate.

Description

A field-resistance trace can be expressed relative to an actual zero-field resistance.

A field-resistance trace can be expressed relative to an actual zero-field resistance.1

Retaining signed changes distinguishes resistance increases from decreases.

When to use Semiconductor Spintronic Magnetoresistance Vs Field Calculator

Use this tool when you need to reproduce the stated calculation from measured records or independently selected model inputs. Prepare measured device or specimen records under independently matched branch, temperature, frame, and unit conventions.

How to use Semiconductor Spintronic Magnetoresistance Vs Field Calculator and understand its results

  1. Prepare measured device or specimen records under independently matched branch, temperature, frame, and unit conventions.
  2. Enter observedSpintronicFieldsTesla, observedMatchedResistanceOhms, callerZeroFieldReferenceIndex, following the field table and rules below, then run the tool.
  3. Read observedSignedMagnetoresistanceFractions. Use the output meanings below to interpret units, signs, flags, and any nested result fields.
  4. Correct reported input issues and run again. For a successful result, check the stated evidence coverage and assumptions before using it in your review.
Input fieldMeaningValue typeRequirement
observedSpintronicFieldsTeslaObserved spintronic fields teslalist of numberRequired
observedMatchedResistanceOhmsObserved matched resistance ohmslist of numberRequired
callerZeroFieldReferenceIndexCaller zero field reference indexnumberRequired

Use at least two strictly increasing field values with aligned positive resistances. Supply an integer reference index within the trace whose field must equal zero exactly. Divide each resistance by the reference and subtract one.

MR_i=R_i/R_zero−1

Symbols follow the input and output meanings and the calculation rules above.

Output fieldMeaningValue type
observedSignedMagnetoresistanceFractionsObserved signed magnetoresistance fractionslist of number
json
{
  "input": {
    "observedSpintronicFieldsTesla": [
      -1,
      0,
      1
    ],
    "observedMatchedResistanceOhms": [
      12,
      10,
      11
    ],
    "callerZeroFieldReferenceIndex": 1
  },
  "output": {
    "observedSignedMagnetoresistanceFractions": [
      0.19999999999999996,
      0,
      0.10000000000000009
    ]
  }
}

Limitations and assumptions

Matched measurement branch, material state, calibration, and conventions must be independently established. Results do not certify device performance or operating conditions.

Missing required fields, unknown fields, wrong types, and violated calculation rules are input issues. Numeric values must be finite; nonfinite results are rejected. Evidence arrays must be dense, with no missing cells. Numeric observation lists allow at most 10,000 entries, subject to any smaller bounds stated above.

Alternative or Complementary methods

For a related review, use Semiconductor Spintronic Spin Injection Efficiency Calculator: Spin-resolved injected currents define a signed polarization. The sign indicates which supplied spin channel carries more current. For a complementary step, use Semiconductor Schottky Diode Ideality Factor Vs Temperature Calculator: An observed local voltage slope per natural-log current can be normalized by thermal voltage to obtain ideality factor. Matched temperatures and the declared Boltzmann convention define the calculation.

References

  1. Semiconductor Spintronic Magnetoresistance Vs Field Calculator — tool.io

Similar or alternative tools

Don't forget to set a bookmark for tool.io!
Privacy | Imprint | Cookies