Maghemite (Fe2O3, γ-Fe2O3) is a member of the family of iron oxides. It has the same formula as hematite, but the same spinel ferrite structure as magnetite...

nanoparticles or iron oxide nanoparticles (iron oxides in crystal structure of maghemite or magnetite) are the most explored magnetic nanoparticles up to date...

alpha phase at high temperatures. It occurs naturally as the mineral maghemite. It is ferromagnetic and finds application in recording tapes, although...

⇒ γ-Li 2ZnSiO 4 An alternate example is the oxidation of magnetite to maghemite. IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book")...

produce brown pigment quality γ-Fe2O3 (maghemite): 2 Fe 3 O 4 ⏟ magnetite + 1 2 O 2 ⟶   3 ( γ − Fe 2 O 3 ) ⏟ maghemite {\displaystyle {\ce {\underbrace{2Fe3O4}_{magnetite}+...

α-Fe2O3: alpha phase, hematite β-Fe2O3: beta phase γ-Fe2O3: gamma phase, maghemite ε-Fe2O3: epsilon phase goethite (α-FeOOH) akaganéite (β-FeOOH) lepidocrocite...

goethite and ferrihydrite convert to maghemite on exposure to heat. Temperatures sufficient to elevate maghemite on a landscape scale indicate the influence...

Hematite is not only harder than pure iron, but also much more brittle. Maghemite is a polymorph of hematite (γ-Fe 2O 3) with the same chemical formula...

two main forms are composed of magnetite (Fe3O4) and its oxidized form maghemite (γ-Fe2O3). They have attracted extensive interest due to their superparamagnetic...

lodestones has found them to be made of magnetite (Fe3O4) with inclusions of maghemite (cubic Fe2O3), often with impurity metal ions of titanium, aluminium,...

composition as maghemite; to distinguish between them, their chemical formulae are generally given as γFe2O3 for hematite and αFe2O3 for maghemite. The other...

also thought to form in soils, where they probably oxidize rapidly to maghemite. The chemical composition of magnetite is Fe2+(Fe3+)2(O2-)4. This indicates...

(variety of calcite) Macaulayite Macdonaldite Mackinawite Madocite Magadiite Maghemite Magnesioferrite Magnesiohastingsite Magnesiopascoite Magnesite Magnetite...

magnetic materials by weight. The magnetic chemicals could be magnetite and maghemite, which could come from the weathering of basalt rock. Subsequent experiments...

and he suggested in 2019 that the tetrahedral coordination arises from maghemite and magnetite impurities observed by electron microscopy. Because of the...

Manganlotharmeyerite Mlmy Mckinstryite Mck Metauranopilite Mup Monohydrocalcite Mhcal Maghemite Mgh Manganoarrojadite-(KNa) Majd-KNa Mcnearite Mnr Metauranospinite Musp...

; et al. (2010). "Rapid magnetic heating treatment by highly charged maghemite nanoparticles on Wistar rats exocranial glioma tumors at microliter volume"...

iron oxides and iron oxyhydroxides (magnetite, hematite, lepidocrocite, maghemite, goethite); Sedimentation fouling by silt and other relatively coarse...

and limonite (Fe2O3·nH2O) into strongly magnetic magnetite (Fe3O4) or maghemite (γ-Fe2O3), while the magnetic properties of gangue minerals remain almost...

copolymers with different block reactivities in order to selectively embed maghemite nanoparticles and generate periodic materials with potential use as waveguides...

(chemical state), particles (neutral particle), glazed zinc (Zinc oxide), maghemite, awaruite, oxygen, liquids, ponderable matter, pole figure, chemical polarity...

quartz. Calcite, sauconite, beidellite, halloysite, thomsonite, goethite, maghemite, opal, moganite, nickel hexahydrite, accessory magnesiochromite and rivsite...

hematitic banded iron formations and accumulations of currently-forming maghemite pisolite alluvials. CIDs are a major source of cheap, high grade iron...

together with quartz, mullite and the iron oxides hematite, magnetite and/or maghemite. Other phases often identified are cristobalite, anhydrite, free lime...

the airborne dust did not contain pure magnetite or just one type of maghemite. The dust probably was an aggregate possibly cemented with ferric oxide...

26 0.5 γ-Fe2O3(s) + 3 H+ ⇌ Fe3+ + 1.5 H2O maghemite 1.61 ± 0.61 0.5 γ-Fe2O3 + 1.5 H2O ⇌ Fe3+ + 3 OH− maghemite −40.59 ± 0.29 α-FeOOH(s)+ 3 H+ ⇌ Fe3+ + 2...

The pits contained red ochre consisting of the iron oxides hematite and maghemite and were covered with a lid. ”This indicates, that even though the palm...

10 Hydrohetaerolite, 10 Hausmannite, 10 Iwakiite, 10 Hetaerolite; 15 Maghemite, 20 Tegengrenite, 25 Xieite 04.BC With medium-sized and large cations:...

magnetite or maghemite whilst leaving other minerals largely unaffected. This process changes paramagnetic haematite into ferromagnetic maghemite/magnetite...

other notable magnetic studies on NPs are those on nearly defect-free maghemite NPs, ferrihydrite NPs undoped and doped with Ni, Mo, and Ir, CdSe quantum...