BP (Boron phosphide)

Semiconductors and photonic platforms

1 dataset, together covering 0.4545–0.6328 µm. Default: Wettling and Windscheif 1984: n 0.45–0.63 µm.

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Tick datasets in the list to add them to the plot (up to 12).

Datasets

Wettling and Windscheif 1984: n 0.45–0.63 µm n 0.4545–0.6328 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# BP (Boron phosphide): Wettling and Windscheif 1984: n 0.45–0.63 µm
bp = ls.fetch_refractiveindex("main", "BP", "Wettling", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(bp.range_nm)  # (454.5, 632.8) nm
eps = bp.eps([536])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_238d949dbc13/lightsmith"
bp = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(bp.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (bp/wettling-windscheif-1984).

# ... load bp as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=bp)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=455, stop_nm=632, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

About BP (Boron phosphide)

Boron phosphide (BP) is a compound of boron and phosphorus that possesses a range of intriguing properties suitable for both electronic and optoelectronic applications. It commonly crystallizes in a zinc blende structure and exhibits a direct bandgap of approximately 2.1 eV, which renders it useful in applications requiring high thermal stability and wide-bandgap properties. The material is known for its high hardness, chemical resistance, and high thermal conductivity, making it ideal for use in harsh environments. BP is often used as a semiconducting material in devices such as photodetectors and light-emitting diodes. Additionally, it is employed as a specialized abrasive and in cutting applications due to its hardness. Various synthesis methods, including chemical vapor deposition (CVD) and molecular beam epitaxy (MBE), are used to produce high-quality BP crystals. Its combination of electronic, thermal, and mechanical properties makes boron phosphide a material of interest for specialized applications in electronics, optoelectronics, and other high-performance technologies.

Other names: Boron phosphide, Boron monophosphide

Boron phosphide - Wikipedia

API: /v1/materials/mat_5724014f2f34 · slug bp