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A Langmuir monolayer or insoluble monolayer is a one-molecule thick layer of an insoluble organic material spread onto an aqueous subphase in a Langmuir-Blodgett trough. Traditional compounds used to prepare Langmuir monolayers are amphiphilic materials that possess a hydrophilic headgroup and a hydrophobic tail.
ditto with screw axes as well as axes, parallel, in between; in this case an additional translation vector is one half of a translation vector in the base plane plus one half of a perpendicular vector between the base planes. The four monoclinic hemihedral space groups include those with pure reflection at the base of the prism and halfway
A strong base is a basic chemical compound that can remove a proton (H +) from (or deprotonate) a molecule of even a very weak acid (such as water) in an acid–base reaction. Common examples of strong bases include hydroxides of alkali metals and alkaline earth metals, like NaOH and Ca(OH)
Metal substrates for use in SAMs can be produced through physical vapor deposition techniques, electrodeposition or electroless deposition. [1] Thiol or selenium SAMs produced by adsorption from solution are typically made by immersing a substrate into a dilute solution of alkane thiol in ethanol, though many different solvents can be used [1] besides use of pure liquids. [16]
Hydrotalcite (white) and yellow-green serpentine, Snarum, Modum, Buskerud, Norway.Size: 8.4 × 5.2 × 4.1 cm. Layered double hydroxides (LDH) are a class of ionic solids characterized by a layered structure with the generic layer sequence [AcB Z AcB] n, where c represents layers of metal cations, A and B are layers of hydroxide (OH −
Intercalation (chemistry) 24 languages. Afrikaans; ... An extreme case of intercalation is the complete separation of the layers of the material. This process is ...
A B 36 cluster might be seen as smallest borophene; front and side view. Borophene is a crystalline atomic monolayer of boron and is also known as boron sheet.First predicted by theory in the mid-1990s in a freestanding state, [21] and then demonstrated as distinct monoatomic layers on substrates by Zhang et al., [22] different borophene structures were experimentally confirmed in 2015.
Titanium disulfide is an example of a layered material. The individual sheets are interconnected by van der Waals forces between the sulfide centers.. In material science, layered materials are solids with highly anisotropic bonding, in which two-dimensional sheets are internally strongly bonded, but only weakly bonded to adjacent layers. [1]