Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!


+ Save concept

Gadolinium is a chemical element with symbol Gd and atomic number 64. [1]

114 relations: Alloy, Ammonium oxalate, Anaphylaxis, Arsenic, Atomic mass, Atomic number, Barn (unit), Bastnäsite, Beta decay, Bubble memory, Calcium, CANDU reactor, Carbon nanotube, Cerite, Cerium, Cerium(IV) oxide, Chelation, Chemical element, Chemist, Chromium, Coordination complex, Coordination number, CT scan, Cubic crystal system, Curie temperature, Denticity, Dopant, Doping (semiconductor), DOTA (chelator), Dual-energy X-ray absorptiometry, Ductility, Electrolyte, Electron capture, Europium, Ferromagnetism, Finland, Fullerene, Gadodiamide, Gadolinite, Gadolinium gallium garnet, Gadolinium oxysulfide, Gadolinium yttrium garnet, Gadolinium(III) chloride, Gadolinium(III) nitrate, Gadolinium(III) oxide, Gadolinium-doped ceria, Gadonanotube, Gadopentetic acid, Gamma ray, Geologist, ..., Germanium, Hakai magazine, Half-life, Hexagonal crystal family, Hydrochloric acid, Intravenous therapy, Ion channel, Ion exchange, Ionic conductivity (solid state), Iron, Isotope, Jean Charles Galissard de Marignac, Johan Gadolin, Kelvin, Kidney, Lepersonnite-(Gd), Magnesium nitrate, Magnetic resonance angiography, Magnetic resonance imaging, Median lethal dose, Metallurgy, Microwave, Monazite, MRI contrast agent, Natural abundance, Nephrogenic systemic fibrosis, Neutron, Neutron capture, Neutron imaging, Neutron temperature, Nitric acid, Nuclear isomer, Nuclear marine propulsion, Nuclear reactor, Organic chemistry, Osteoporosis, Oxalate, Oxidation state, Papular mucinosis, Paramagnetism, Paul-Émile Lecoq de Boisbaudran, Phosphor, Positron emission tomography, Radioactive decay, Radiography, Radionuclide, Rare-earth element, Redox, Reducing agent, Samarium, Scintillator, Scleroderma, Silicon, Solid oxide fuel cell, Sulfuric acid, Tantalum, Tarnish, Television, Terbium, Thorium, Transmission electron microscopy, Valence (chemistry), X-ray, Xenon-135. Expand index (64 more) »


An alloy is a combination of metals or of a metal and another element.

New!!: Gadolinium and Alloy · See more »

Ammonium oxalate

Ammonium oxalate, C2H8N2O4 – more commonly written as (NH4)2C2O4 – is an oxalate salt with ammonium (sometimes as a monohydrate).

New!!: Gadolinium and Ammonium oxalate · See more »


Anaphylaxis is a serious allergic reaction that is rapid in onset and may cause death.

New!!: Gadolinium and Anaphylaxis · See more »


Arsenic is a chemical element with symbol As and atomic number 33.

New!!: Gadolinium and Arsenic · See more »

Atomic mass

The atomic mass (ma) is the mass of an atom.

New!!: Gadolinium and Atomic mass · See more »

Atomic number

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.

New!!: Gadolinium and Atomic number · See more »

Barn (unit)

A barn (symbol: b) is a unit of area equal to 10−28 m2 (100 fm2).

New!!: Gadolinium and Barn (unit) · See more »


The mineral bastnäsite (or bastnaesite) is one of a family of three carbonate-fluoride minerals, which includes bastnäsite-(Ce) with a formula of (Ce, La)CO3F, bastnäsite-(La) with a formula of (La, Ce)CO3F, and bastnäsite-(Y) with a formula of (Y, Ce)CO3F.

New!!: Gadolinium and Bastnäsite · See more »

Beta decay

In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.

New!!: Gadolinium and Beta decay · See more »

Bubble memory

Bubble memory is a type of non-volatile computer memory that uses a thin film of a magnetic material to hold small magnetized areas, known as bubbles or domains, each storing one bit of data.

New!!: Gadolinium and Bubble memory · See more »


Calcium is a chemical element with symbol Ca and atomic number 20.

New!!: Gadolinium and Calcium · See more »

CANDU reactor

The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used to generate electric power.

New!!: Gadolinium and CANDU reactor · See more »

Carbon nanotube

Carbon nanotubes (CNTs) are allotropes of carbon with a cylindrical nanostructure.

New!!: Gadolinium and Carbon nanotube · See more »


Cerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca)9(Mg,Fe+3)(SiO4)6(SiO3OH)(OH)3.

New!!: Gadolinium and Cerite · See more »


Cerium is a chemical element with symbol Ce and atomic number 58.

New!!: Gadolinium and Cerium · See more »

Cerium(IV) oxide

Cerium(IV) oxide, also known as ceric oxide, ceric dioxide, ceria, cerium oxide or cerium dioxide, is an oxide of the rare-earth metal cerium.

New!!: Gadolinium and Cerium(IV) oxide · See more »


Chelation is a type of bonding of ions and molecules to metal ions.

New!!: Gadolinium and Chelation · See more »

Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

New!!: Gadolinium and Chemical element · See more »


A chemist (from Greek chēm (ía) alchemy; replacing chymist from Medieval Latin alchimista) is a scientist trained in the study of chemistry.

New!!: Gadolinium and Chemist · See more »


Chromium is a chemical element with symbol Cr and atomic number 24.

New!!: Gadolinium and Chromium · See more »

Coordination complex

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

New!!: Gadolinium and Coordination complex · See more »

Coordination number

In chemistry, crystallography, and materials science the coordination number, also called ligancy, of a central atom in a molecule or crystal is the number of atoms, molecules or ions bonded to it.

New!!: Gadolinium and Coordination number · See more »

CT scan

A CT scan, also known as computed tomography scan, makes use of computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without cutting.

New!!: Gadolinium and CT scan · See more »

Cubic crystal system

In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.

New!!: Gadolinium and Cubic crystal system · See more »

Curie temperature

In physics and materials science, the Curie temperature (TC), or Curie point, is the temperature above which certain materials lose their permanent magnetic properties, to be replaced by induced magnetism.

New!!: Gadolinium and Curie temperature · See more »


Denticity refers to the number of donor groups in a single ligand that bind to a central atom in a coordination complex.

New!!: Gadolinium and Denticity · See more »


A dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations) to alter the electrical or optical properties of the substance.

New!!: Gadolinium and Dopant · See more »

Doping (semiconductor)

In semiconductor production, doping is the intentional introduction of impurities into an intrinsic semiconductor for the purpose of modulating its electrical properties.

New!!: Gadolinium and Doping (semiconductor) · See more »

DOTA (chelator)

DOTA (also known as tetraxetan) is an organic compound with the formula (CH2CH2NCH2CO2H)4.

New!!: Gadolinium and DOTA (chelator) · See more »

Dual-energy X-ray absorptiometry

Dual-energy X-ray absorptiometry (DXA, previously DEXA) is a means of measuring bone mineral density (BMD).

New!!: Gadolinium and Dual-energy X-ray absorptiometry · See more »


Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture, which may be expressed as percent elongation or percent area reduction from a tensile test.

New!!: Gadolinium and Ductility · See more »


An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.

New!!: Gadolinium and Electrolyte · See more »

Electron capture

Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically neutral atom absorbs an inner atomic electron, usually from the K or L electron shell.

New!!: Gadolinium and Electron capture · See more »


Europium is a chemical element with symbol Eu and atomic number 63.

New!!: Gadolinium and Europium · See more »


Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.

New!!: Gadolinium and Ferromagnetism · See more »


Finland (Suomi; Finland), officially the Republic of Finland is a country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east.

New!!: Gadolinium and Finland · See more »


A fullerene is a molecule of carbon in the form of a hollow sphere, ellipsoid, tube, and many other shapes.

New!!: Gadolinium and Fullerene · See more »


Gadodiamide is a gadolinium-based MRI contrast agent, used in MR imaging procedures to assist in the visualization of blood vessels.

New!!: Gadolinium and Gadodiamide · See more »


Gadolinite, sometimes known as ytterbite, is a silicate mineral consisting principally of the silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron with the formula (Ce,La,Nd,Y)2FeBe2Si2O10.

New!!: Gadolinium and Gadolinite · See more »

Gadolinium gallium garnet

Gadolinium Gallium Garnet (GGG) is a synthetic crystalline material of the garnet group, with good mechanical, thermal, and optical properties.

New!!: Gadolinium and Gadolinium gallium garnet · See more »

Gadolinium oxysulfide

Gadolinium oxysulfide (Gd2O2S), also called gadolinium sulfoxylate, GOS or Gadox, is an inorganic compound, a mixed oxide-sulfide of gadolinium.

New!!: Gadolinium and Gadolinium oxysulfide · See more »

Gadolinium yttrium garnet

Gadolinium Yttrium Garnet (Gd:YAG) is a variation of Nd:YAG with microwave and laser applications.

New!!: Gadolinium and Gadolinium yttrium garnet · See more »

Gadolinium(III) chloride

Gadolinium(III) chloride, also known as gadolinium trichloride, is GdCl3.

New!!: Gadolinium and Gadolinium(III) chloride · See more »

Gadolinium(III) nitrate

Gadolinium(III) nitrate is an inorganic compound of gadolinium.

New!!: Gadolinium and Gadolinium(III) nitrate · See more »

Gadolinium(III) oxide

Gadolinium(III) oxide (archaically gadolinia) is an inorganic compound with the formula Gd2O3.

New!!: Gadolinium and Gadolinium(III) oxide · See more »

Gadolinium-doped ceria

Gadolinium-doped ceria (GDC) (known alternatively as gadolinia-doped ceria, gadolinium-doped cerium oxide, cerium(IV) oxide, gadolinium-doped, and GCO, formula Gd:CeO2) is a ceramic electrolyte used in solid oxide fuel cells (SOFCs).

New!!: Gadolinium and Gadolinium-doped ceria · See more »


Gadonanotube are carbon nanotubes containing superparamagnetic clusters of Gd3+ ions.

New!!: Gadolinium and Gadonanotube · See more »

Gadopentetic acid

Gadopentetic acid is one of the trade names for a gadolinium-based MRI contrast agent, usually administered as a salt of a complex of gadolinium with DTPA (diethylenetriaminepentacetate) with the chemical formula A2; when cation A is the protonated form of the amino sugar meglumine the salt goes under the name "gadopentetate dimeglumine".

New!!: Gadolinium and Gadopentetic acid · See more »

Gamma ray

A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.

New!!: Gadolinium and Gamma ray · See more »


A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes that shape it.

New!!: Gadolinium and Geologist · See more »


Germanium is a chemical element with symbol Ge and atomic number 32.

New!!: Gadolinium and Germanium · See more »

Hakai magazine

Hakai Magazine in an online magazine which publishes short and feature length journalistic stories on topics related to coastal science, ecology and communities.

New!!: Gadolinium and Hakai magazine · See more »


Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.

New!!: Gadolinium and Half-life · See more »

Hexagonal crystal family

In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).

New!!: Gadolinium and Hexagonal crystal family · See more »

Hydrochloric acid

Hydrochloric acid is a colorless inorganic chemical system with the formula.

New!!: Gadolinium and Hydrochloric acid · See more »

Intravenous therapy

Intravenous therapy (IV) is a therapy that delivers liquid substances directly into a vein (intra- + ven- + -ous).

New!!: Gadolinium and Intravenous therapy · See more »

Ion channel

Ion channels are pore-forming membrane proteins that allow ions to pass through the channel pore.

New!!: Gadolinium and Ion channel · See more »

Ion exchange

Ion exchange is an exchange of ions between two electrolytes or between an electrolyte solution and a complex.

New!!: Gadolinium and Ion exchange · See more »

Ionic conductivity (solid state)

Ionic conduction (denoted by -lambda) is the movement of an ion from one site to another through defects in the crystal lattice of a solid or aqueous solution.

New!!: Gadolinium and Ionic conductivity (solid state) · See more »


Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.

New!!: Gadolinium and Iron · See more »


Isotopes are variants of a particular chemical element which differ in neutron number.

New!!: Gadolinium and Isotope · See more »

Jean Charles Galissard de Marignac

Jean Charles Galissard de Marignac (24 April 1817 – 15 April 1894) was a Swiss chemist whose work with atomic weights suggested the possibility of isotopes and the packing fraction of nuclei and whose study of the rare earth elements led to his discovery of ytterbium in 1878 and co-discovery of gadolinium in 1880.

New!!: Gadolinium and Jean Charles Galissard de Marignac · See more »

Johan Gadolin

Johan Gadolin (5 June 1760 – 15 August 1852) was a Finnish chemist, physicist and mineralogist.

New!!: Gadolinium and Johan Gadolin · See more »


The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

New!!: Gadolinium and Kelvin · See more »


The kidneys are two bean-shaped organs present in left and right sides of the body in vertebrates.

New!!: Gadolinium and Kidney · See more »


Lepersonnite-(Gd) is a very rare rare-earth and uranium mineral with the formula Ca(Gd,Dy)2(UO2)24(SiO4)4(CO3)8(OH)24·48H2O.

New!!: Gadolinium and Lepersonnite-(Gd) · See more »

Magnesium nitrate

Magnesium nitrate refers to inorganic compounds with the formula Mg(NO3)2(H2O)x, where x.

New!!: Gadolinium and Magnesium nitrate · See more »

Magnetic resonance angiography

Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels.

New!!: Gadolinium and Magnetic resonance angiography · See more »

Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

New!!: Gadolinium and Magnetic resonance imaging · See more »

Median lethal dose

In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) or LCt50 is a measure of the lethal dose of a toxin, radiation, or pathogen.

New!!: Gadolinium and Median lethal dose · See more »


Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are called alloys.

New!!: Gadolinium and Metallurgy · See more »


Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.

New!!: Gadolinium and Microwave · See more »


Monazite is a reddish-brown phosphate mineral containing rare-earth metals.

New!!: Gadolinium and Monazite · See more »

MRI contrast agent

MRI contrast agents are contrast agents used to improve the visibility of internal body structures in magnetic resonance imaging (MRI).

New!!: Gadolinium and MRI contrast agent · See more »

Natural abundance

In physics, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet.

New!!: Gadolinium and Natural abundance · See more »

Nephrogenic systemic fibrosis

Nephrogenic systemic fibrosis (NSF) or nephrogenic fibrosing dermopathy (NFD) is a rare and serious syndrome that involves fibrosis of skin, joints, eyes, and internal organs.

New!!: Gadolinium and Nephrogenic systemic fibrosis · See more »


| magnetic_moment.

New!!: Gadolinium and Neutron · See more »

Neutron capture

Neutron capture is a nuclear reaction in which an atomic nucleus and one or more neutrons collide and merge to form a heavier nucleus.

New!!: Gadolinium and Neutron capture · See more »

Neutron imaging

Neutron imaging is the process of making an image with neutrons.

New!!: Gadolinium and Neutron imaging · See more »

Neutron temperature

The neutron detection temperature, also called the neutron energy, indicates a free neutron's kinetic energy, usually given in electron volts.

New!!: Gadolinium and Neutron temperature · See more »

Nitric acid

Nitric acid (HNO3), also known as aqua fortis (Latin for "strong water") and spirit of niter, is a highly corrosive mineral acid.

New!!: Gadolinium and Nitric acid · See more »

Nuclear isomer

A nuclear isomer is a metastable state of an atomic nucleus caused by the excitation of one or more of its nucleons (protons or neutrons).

New!!: Gadolinium and Nuclear isomer · See more »

Nuclear marine propulsion

Nuclear marine propulsion is propulsion of a ship or submarine with heat provided by a nuclear power plant.

New!!: Gadolinium and Nuclear marine propulsion · See more »

Nuclear reactor

A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a self-sustained nuclear chain reaction.

New!!: Gadolinium and Nuclear reactor · See more »

Organic chemistry

Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.

New!!: Gadolinium and Organic chemistry · See more »


Osteoporosis is a disease where increased bone weakness increases the risk of a broken bone.

New!!: Gadolinium and Osteoporosis · See more »


Oxalate (IUPAC: ethanedioate) is the dianion with the formula, also written.

New!!: Gadolinium and Oxalate · See more »

Oxidation state

The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.

New!!: Gadolinium and Oxidation state · See more »

Papular mucinosis

Papular mucinosis (also known as Scleromyxedema, "Generalized lichen myxedematosus," and "Sclerodermoid lichen myxedematosus") is a rare skin disease.

New!!: Gadolinium and Papular mucinosis · See more »


Paramagnetism is a form of magnetism whereby certain materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied magnetic field.

New!!: Gadolinium and Paramagnetism · See more »

Paul-Émile Lecoq de Boisbaudran

Paul-Émile Lecoq de Boisbaudran, also called François Lecoq de Boisbaudran (18 April 1838 – 28 May 1912), was a French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium.

New!!: Gadolinium and Paul-Émile Lecoq de Boisbaudran · See more »


A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence.

New!!: Gadolinium and Phosphor · See more »

Positron emission tomography

Positron-emission tomography (PET) is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the body as an aid to the diagnosis of disease.

New!!: Gadolinium and Positron emission tomography · See more »

Radioactive decay

Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.

New!!: Gadolinium and Radioactive decay · See more »


Radiography is an imaging technique using X-rays to view the internal form of an object.

New!!: Gadolinium and Radiography · See more »


A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.

New!!: Gadolinium and Radionuclide · See more »

Rare-earth element

A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.

New!!: Gadolinium and Rare-earth element · See more »


Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

New!!: Gadolinium and Redox · See more »

Reducing agent

A reducing agent (also called a reductant or reducer) is an element (such as calcium) or compound that loses (or "donates") an electron to another chemical species in a redox chemical reaction.

New!!: Gadolinium and Reducing agent · See more »


Samarium is a chemical element with symbol Sm and atomic number 62.

New!!: Gadolinium and Samarium · See more »


A scintillator is a material that exhibits scintillation—the property of luminescence, when excited by ionizing radiation.

New!!: Gadolinium and Scintillator · See more »


Scleroderma is a group of autoimmune diseases that may result in changes to the skin, blood vessels, muscles, and internal organs.

New!!: Gadolinium and Scleroderma · See more »


Silicon is a chemical element with symbol Si and atomic number 14.

New!!: Gadolinium and Silicon · See more »

Solid oxide fuel cell

A solid oxide fuel cell (or SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel.

New!!: Gadolinium and Solid oxide fuel cell · See more »

Sulfuric acid

Sulfuric acid (alternative spelling sulphuric acid) is a mineral acid with molecular formula H2SO4.

New!!: Gadolinium and Sulfuric acid · See more »


Tantalum is a chemical element with symbol Ta and atomic number 73.

New!!: Gadolinium and Tantalum · See more »


Tarnish is a thin layer of corrosion that forms over copper, brass, silver, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction.

New!!: Gadolinium and Tarnish · See more »


Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

New!!: Gadolinium and Television · See more »


Terbium is a chemical element with symbol Tb and atomic number 65.

New!!: Gadolinium and Terbium · See more »


Thorium is a weakly radioactive metallic chemical element with symbol Th and atomic number 90.

New!!: Gadolinium and Thorium · See more »

Transmission electron microscopy

Transmission electron microscopy (TEM, also sometimes conventional transmission electron microscopy or CTEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image.

New!!: Gadolinium and Transmission electron microscopy · See more »

Valence (chemistry)

In chemistry, the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.

New!!: Gadolinium and Valence (chemistry) · See more »


X-rays make up X-radiation, a form of electromagnetic radiation.

New!!: Gadolinium and X-ray · See more »


Xenon-135 (135Xe) is an unstable isotope of xenon with a half-life of about 9.2 hours.

New!!: Gadolinium and Xenon-135 · See more »

Redirects here:

Element 64, Gadolinic, Gadolininum, Gadolinum, Gd (element).


[1] https://en.wikipedia.org/wiki/Gadolinium

Hey! We are on Facebook now! »