metal

242535 datapoints, 14841 substances,

Metals are a class of materials characterized by high electrical and thermal conductivity, malleability, ductility, and opacity. They exhibit metallic bonding, allowing for a wide range of industrial applications.

antiferromagnet

187807 datapoints, 8914 substances,

Antiferromagnets are materials where neighboring magnetic moments align in opposite directions, resulting in zero net magnetization. They exhibit unique magnetic properties valuable for technological applications like sensors and data storage.

ferromagnet

152329 datapoints, 7866 substances,

Ferromagnets are materials with aligned magnetic moments that produce a macroscopic magnetic field. They exhibit strong attraction and retain magnetization when the external field is removed, crucial for magnetic storage devices.

nonmetal

121641 datapoints, 10173 substances,

Nonmetals are materials with poor electrical conductivity, generally brittle in solid form, and lack the typical metallic luster. They play vital roles in various applications, such as insulators and semiconductors.

semiconductor

78579 datapoints, 5980 substances,

Semiconductors are materials with electrical conductivity between conductors and insulators. They can be controlled to switch between conducting and insulating states, making them essential for electronics and optoelectronic devices.

intermediate valence

64663 datapoints, 2634 substances,

Intermediate valence materials exhibit mixed valence states of an element, leading to unique electronic properties. This phenomenon results from the coexistence of multiple valence states within the same material lattice.

diamagnetic

64555 datapoints, 1745 substances,

Diamagnetic materials exhibit weak repulsion when subjected to an external magnetic field due to the induced magnetic moment opposing the applied field. They are typically non-magnetic and easily saturated by stronger fields.

perovskite

48816 datapoints, 3595 substances,

Perovskite structures consist of a cubic unit cell with a central cation surrounded by an octahedral coordination of anions. They exhibit diverse properties, including superconductivity, ferroelectricity, and solar absorption, making them versatile materials.

ferrimagnet

44053 datapoints, 1714 substances,

Ferrimagnets are materials where magnetic moments align in opposite directions but with unequal magnitudes, resulting in a net magnetization. They exhibit properties similar to ferromagnets and are used in magnetic recording media.

superconductor

39972 datapoints, 3275 substances,

Superconductors are materials that exhibit zero electrical resistance and expel magnetic fields when cooled below a critical temperature. They enable lossless electrical transmission and have applications in MRI machines and particle accelerators.

ferroelectric

38371 datapoints, 1865 substances,

Ferroelectric materials exhibit spontaneous electric polarization that can be reversed by an external electric field. They possess unique properties like hysteresis, piezoelectricity, and non-linear dielectric response, valuable for sensors and capacitors.

high-T_c cuprate family

26395 datapoints, 1386 substances,

The high-Tc cuprate family comprises complex layered structures based on copper oxide layers with high superconducting transition temperatures. These materials exhibit unconventional superconductivity and are crucial for advancing high-temperature superconductor technology.

heavy-fermion compound

23263 datapoints, 555 substances,

Heavy fermion compounds are materials where electrons display unusually high effective masses due to strong electron-electron interactions. These materials exhibit intriguing quantum behaviors, such as unconventional superconductivity and quantum critical phenomena.

close-packed structure

22148 datapoints, 1694 substances,

Close-packed structures have atoms arranged in a way that optimizes packing efficiency, forming layers of hexagonally close-packed spheres. They exhibit high density with planes of maximum atomic packing.

BaAl₄ family

20360 datapoints, 973 substances,

The BaAl4 family consists of intermetallic compounds with a tetragonal crystal structure analogous to that of BaAl4, where barium atoms are surrounded by aluminum atoms forming Ba6Al12 clusters. These materials exhibit interesting electronic and magnetic properties.

hard magnet

18541 datapoints, 648 substances,

Hard magnets are materials with high coercivity and remanence, allowing them to retain strong magnetization in the absence of an external magnetic field. They are commonly used in permanent magnet applications.

ionic conductor

17996 datapoints, 1090 substances,

Ionic conductors are materials that facilitate the movement of ions under an applied electric field. They are essential components in solid-state batteries and fuel cells due to their ability to conduct ions efficiently.

AlB₂ family

17177 datapoints, 1467 substances,

The AlB2 family includes layered structures similar to AIB2 where boron layers are sandwiched between aluminum layers. These materials exhibit interesting properties such as anisotropic electrical conductivity and superconductivity, making them valuable in various applications.

b.c.c. atom arrangement

17034 datapoints, 1513 substances,

Body-centered cubic (b.c.c.) structures have atoms positioned at the corners and at the center of the cube. This arrangement results in a cubic unit cell with a higher packing density compared to simple cubic structures.

CaCu₅-Zr₄Al₃ intergrowth

16943 datapoints, 1392 substances,

The CaCu₅-Zr₄Al₃ intergrowth is a complex crystalline structure class involving an intermingling of calcium, copper, zirconium, and aluminum atoms.

Others

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