Search Results: Polytype


Crystal polymorphism
Jumat, 2026-05-22 20:33:34

known polytypes, although most are rare. All the polytypes of SiC have virtually the same density and Gibbs free energy. The most common SiC polytypes are...

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Hindley–Milner type system
Minggu, 2026-03-22 09:41:29

construct. Types are syntactically split into two groups, monotypes and polytypes. Monotypes always designate a particular type. Monotypes τ {\displaystyle...

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List of minerals
Jumat, 2026-04-17 00:20:06

Bustamite Bystrite Varieties that are not valid species: Barbertonite (polytype of stichtite) Bauxite (aluminium ore) Beckerite (natural resin) Bentonite...

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Moissanite
Selasa, 2026-05-12 22:20:28

system 6H polytype, most common: hexagonal Crystal class 6H polytype: dihexagonal pyramidal (6mm) H-M symbol: (6mm) Space group 6H polytype: P63mc Identification...

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Molybdenite
Minggu, 2026-01-04 08:24:50

the hexagonal crystal system as the common polytype 2H and also in the trigonal system as the 3R polytype. Molybdenite occurs in high temperature hydrothermal...

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Polymorphs of silicon carbide
Rabu, 2026-03-04 01:22:42

fibers, as well as a large family of similar crystalline structures called polytypes. They are variations of the same chemical compound that are identical...

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Hydrotalcite
Minggu, 2025-07-27 04:01:19

rhombohedral structure (3R polytype), or a 2-layer hexagonal structure (2H polytype) formerly known as manasseite. The two polytypes are often intergrown....

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List of minerals (synonyms)
Selasa, 2025-12-09 10:14:02

tetrahydrate) Polytype pyroaurite-2H. Balangeroite 9.DH.35 [286] Polytypes: -2M and -1A. Bariopharmacosiderite 8.DK.10 [287] Polytypes: -C and -Q. Barylite...

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Berlinite
Selasa, 2024-12-31 05:53:33

structure as quartz with a low temperature polytype isostructural with α–quartz and a high temperature polytype isostructural with β–quartz. Berlinite can...

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Silicon carbide
Senin, 2026-05-18 01:07:58

characterized by a large family of similar crystalline structures called polytypes. They are variations of the same chemical compound that are identical...

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Zirconolite
Sabtu, 2023-02-18 14:50:21

Crystal system 2M polytype: monoclinic 3O polytype: orthorhombic 3T polytype: trigonal Crystal class 2M polytype: prismatic (2/m) 3O polytype: dipyramidal...

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Sapphirine
Jumat, 2025-04-04 01:15:59

system 2M polytype: monoclinic 1A polytype: triclinic Crystal class 2M polytype: prismatic (2/m) 1A polytype: pinacoidal (1) Space group 1A polytype: P1 Other...

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Tantalum(IV) sulfide
Kamis, 2025-12-18 23:19:07

hexagonal, and rhombohedral respectively. The properties of the 1T-TaS2 polytype have been described. In common with many other transition metal dichalcogenide...

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Chrysotile
Kamis, 2026-06-04 10:11:59

poses serious health risks when dispersed into air and inhaled. Three polytypes of chrysotile are known. These are very difficult to distinguish in hand...

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Havok (software)
Minggu, 2026-05-31 01:46:12

with additional Havok code for constraints and memory optimized partial polytype). Half-Life 2 is lauded as one of the early licensees of a real-time physics...

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Cristobalite
Minggu, 2026-05-10 23:07:50

group P41212, P43212 Unit cell a = 4.9709(1) Å, c = 6.9278(2) Å; Z = 4 (α polytype) Structure Jmol (3D) Interactive image Identification Color Colorless,...

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Chloritoid
Sabtu, 2025-08-16 23:10:54

occurs in phyllites, schists and marbles. Both monoclinic and triclinic polytypes exist and both are pseudohexagonal. It was first described in 1837 from...

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Aspirin
Rabu, 2026-05-27 04:34:27

2-dimensional sections and are therefore more precisely described as polytypes. Form III was reported in 2015 by compressing Form I above 2 GPa, but...

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Diamond-like carbon
Selasa, 2026-05-26 17:55:26

crystalline polytypes. The more common one uses a cubic lattice, while the less common one, lonsdaleite, has a hexagonal lattice. By mixing these polytypes at...

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Muscovite
Selasa, 2026-06-02 05:53:03

so that the structure repeats every two layers. This is called the 1M polytype of the general mica structure. View of tetrahedral sheet of muscovite....

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Berborite
Minggu, 2026-05-10 17:55:47

Berborite is rated 3 on the Mohs Scale. Berborite occurs in 1T, 2T, 2H polytypes. It was first described in 1967 for an occurrence in the Lupikko Mine...

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Layered double hydroxides
Jumat, 2025-06-13 16:28:46

and the Ramsdell polytype symbol (number of layers in the repeat of the structure, and crystal system). For example, the 3R polytype of Mg6Al2(OH)12(CO3)...

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Amesite
Selasa, 2026-01-06 03:17:21

worldwide. Amesite has the first reported natural occurrence of the 6R polytype for a trioctahedral 1:1 layer silicate. Warr, L.N. (2021). "IMA–CNMNC approved...

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Gibbsite
Jumat, 2025-07-18 05:41:31

up the rock bauxite. Gibbsite has three named structural polymorphs or polytypes: bayerite (designated often as α-Al(OH)3, but sometimes as β-Al(OH)3)[citation...

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Cookeite
Selasa, 2026-02-24 10:45:47

of alternating layers LiAl2(OH)6 and Al2O4(OH)2Si8O12 having several polytypes. Cookeite is often found as a product of hydrothermal alteration of silicates...

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Quintinite
Selasa, 2026-05-26 07:19:19

Both polytypes occur in hydrothermal vents in alkaline rocks. Herg (1977) interpreted the Jacupiranga area as related to a hotspot. The 3T polytype was...

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Boric acid
Kamis, 2026-06-04 09:31:53

1107/S0108768186097720. Shuvalov, Robert R.; Burns, Peter C. (15 June 2003). "A new polytype of orthoboric acid, H 3 BO 3 -3 T". Acta Crystallographica Section C Crystal...

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Gersdorffite
Kamis, 2024-09-19 00:02:36

Strunz classification 2.EB.25 Crystal system P213 polytype: cubic Pa3 polytype: cubic Pca21 polytype: orthorhombic Identification Color silver white to...

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Veatchite
Selasa, 2023-02-21 20:24:23

borate, with the chemical formula Sr2B11O16(OH)5·H2O. There are two known polytypes, veatchite-A and veatchite-p. Veatchite was discovered in 1938, at the...

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Hydrokenoelsmoreite
Senin, 2026-04-20 05:18:07

DH.15 Crystal system 3C polytype: Isometric 6R polytype: Trigonal Crystal class 3C polytype: Hexoctahedral (m3m) 6R polytype: Rhombohedral (3) Identification...

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Pyrrhotite
Rabu, 2026-02-11 01:48:04

globally. Pyrrhotite exists as a number of polytypes of hexagonal or monoclinic crystal symmetry; several polytypes often occur within the same specimen. Their...

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Boron nitride
Rabu, 2026-02-11 01:42:34

characteristics. Likewise, many metastable forms consisting of differently stacked polytypes exist. Therefore, h-BN and graphite are very close neighbors, and the...

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Wurtzite
Selasa, 2024-04-09 03:10:13

in an ABABABABAB pattern. The unit cell parameters of wurtzite are (-2H polytype): a = b = 3.81 Å = 381 pm c = 6.23 Å = 623 pm V = 78.41 Å3 Z = 2 Wurtzite...

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Abnormal grain growth
Rabu, 2026-04-29 04:43:13

observed to exhibit AGG without the formation of liquid as the result of polytype interfaces between solid phases Abnormal grain growth helps manufacture...

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Physics engine
Sabtu, 2026-05-30 08:38:39

additional Havok code for constraints and MOPP (Memory Optimized Partial Polytype). NovodeX Physics by NovodeX AG - Natively integrated into Unreal Engine...

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Wollastonite
Minggu, 2026-05-10 23:22:15

symbol Wo Strunz classification 9.DG.05 Crystal system Triclinic Monoclinic polytype exists Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 (Triclinic)...

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Lamprophyllite
Kamis, 2025-12-04 19:43:16

F. Lamprophyllite is monoclinic, The mineral also has an orthorhombic polytype Unit-cell parameters mainly depend from the cationic composition in the...

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Presolar grains
Minggu, 2026-02-08 09:40:15

SiC occurs as single-polytype grains or polytype intergrowths. The atomic structures observed contain the two lowest order polytypes: hexagonal 2H and cubic...

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Xonotlite
Selasa, 2026-02-17 21:40:27

ino-silicate with double dreier chains, of which several polytypes are known. The known polytypes are Ma2bc, Ma2b2c and M2a2bc. It is a mineral related to...

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Total internal reflection
Rabu, 2026-04-22 04:22:37

(Buchwald, 1989, p. 29). The quoted range varies because of different crystal polytypes. Power "per unit area" is appropriate for fields in three dimensions....

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ANNNI model
Sabtu, 2023-10-28 00:52:23

accompanying phase transitions, in various magnets, alloys, adsorbates, polytypes, multiferroics, and other solids. Further possible applications range...

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Lonsdaleite
Senin, 2026-04-13 14:03:15

Sanjay; Bist, H.D.; Sahli, S.; Aslam, M.; Tripathi, H.B. (1995). "Diamond polytypes in the chemical vapor deposited diamond films". Applied Physics Letters...

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Chesterite
Sabtu, 2024-11-02 10:07:11

Chesterite is usually found in thin sheets within ultramafic rocks. A polytype of chesterite could be anthophyllite, which has a similar crystal structure...

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Barbertonite
Kamis, 2025-09-11 13:42:38

1973). Mills et al. (2011) presented evidence that barbertonite is a polytype of stichtite and should be discredited as a mineral species. Barbertonite...

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Lennard-Jones potential
Senin, 2026-02-23 16:00:43

(face centered cubic), hcp (hexagonal close-packed) and other close-packed polytype lattices – depending on temperature and pressure, cf. figure above with...

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Non-stoichiometric compound
Kamis, 2025-11-13 16:34:15

the mineral troilite. Pyrrhotite is remarkable in that it has numerous polytypes, i.e. crystalline forms differing in symmetry (monoclinic or hexagonal)...

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Sharif ibn Ali
Selasa, 2026-03-03 16:37:15

Maures et histoire de l'Empire de Maroc (in French). Vol. 3. l’Imprimerie Polytype, rue Favart (Paris). p. 342. O. Houdas, Abū al-Qāsim ibn Aḥmad al-Zayyānī...

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Ephesite
Selasa, 2026-01-06 00:33:43

planes and hexagonal in outline. Ephesite has been found as 2M1 and 1M polytype series and shows perfect cleavage on the {001} axis. The history of study...

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Pearceite
Jumat, 2025-07-18 19:25:57

arsenpolybasite, and one polytype of polybasite was called antimonpearceite. Arsenpolybasite was found to represent two different polytypes, arsenpolybasite-221...

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Ferronigerite-2N1S
Kamis, 2026-05-07 22:20:36

McKie, D. (1963) The högbomite polytypes. Mineral. Mag, 33, 563–580. Nickel, E.H. (1993) Standardization of polytype suffixes. Can. Mineral., 31, 767–768...

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Goldmyth
Jumat, 2026-03-13 07:42:48

Kaskade and The Moth & The Flame, while Porter has produced for Haarlem and Polytype. Smith said that Robbie Connolly was helpful in getting her solo project...

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Late Night Alumni
Minggu, 2026-05-17 08:48:55

Emanuel Remix) 2013 - Kaskade "Raining" (Late Night Alumni Mix) 2013 - Polytype "Cyclone" (Late Night Alumni Remix) 2013 - Late Night Alumni - Every Breath...

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Stéphanie Félicité, comtesse de Genlis
Selasa, 2026-02-17 09:50:13

l'unique base du bonheur et de la véritable philosophie, Paris: Imprimerie polytype, 1787; Paris, 1787; Paris, 1790 Genlis, The child of nature (play), London...

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André Jammes
Minggu, 2026-02-01 20:20:30

populaire et les papiers peints : France 1750-1820 (2010) L’Imprimerie polytype : une officine expérimentale et clandestine au service du duc d'Orléans...

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Lomonosovite
Jumat, 2026-03-06 23:39:53

90°, usually centrosymmetric (space group P1), but acentric varieties (polytype) are also reported. The crystal structure of lomonosovite is based on three-layer...

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Copper(II) thiocyanate
Selasa, 2026-02-24 03:13:21

V. I. (15 March 1982). "Preparation and structure refinement of the 2H polytype of β-copper(I) thiocyanate". Acta Crystallographica Section B: Structural...

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Cattiite
Selasa, 2024-04-16 15:22:59

studies, revealed the existence of two polytypes named Mg3(PO4)2·22H2O-1A1 and Mg3(PO4)2·22H2O-1A2. The polytype, Mg3(PO4)2·22H2O-1A2, had both the mineral...

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Manganese(II) iodide
Senin, 2026-03-16 03:21:47

iodine. It has a trigonal crystal structure of the cadmium iodide type (polytype 2H) with the space group P3m1 (space group no. 164). It dissolves in water...

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Sublimation sandwich method
Kamis, 2024-07-25 01:48:08

and it is better suited to the creation of epitaxial films with uniform polytype structures. Ultimately, samples with a thickness of up to 500 μm can be...

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Nabalamprophyllite
Selasa, 2023-12-05 17:21:09

belongs to the space group P2/m. The mineral also has an orthorhombic polytype (nabalamprophyllite-2O). This mineral belongs to the space group Pnmn....

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Vladimirite
Minggu, 2023-02-19 10:18:43

belongs to the space group P21/c. The mineral also has an orthorhombic polytype. In terms of its optical properties, vladimirite is anisotropic which means...

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Al-Rashid of Morocco
Sabtu, 2026-05-30 04:40:17

et histoire de l'Empire de Maroc. [Volume 3] (in French). l’Imprimerie Polytype, rue Favart (Paris). pp. 335–345. Publication de la mission scientifique...

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Tantalum diselenide
Rabu, 2025-12-17 20:42:36

130 K (−143 °C). TaSe2 exhibits different properties according to the polytype (2H or 1T), even if the chemical composition remains unchanged. The resistivity...

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Silicon compounds
Kamis, 2026-05-28 23:52:51

characterized by a large family of similar crystalline structures called polytypes. They are variations of the same chemical compound that are identical...

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Polytypic
Kamis, 2026-05-07 16:56:35

with more than one immediately subordinate taxon Polyclonal antibodies Polytypes in crystallography Race (classification of human beings) for a discussion...

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List of minerals recognized by the International Mineralogical Association
Senin, 2025-06-09 04:08:14

a mineral species. Since 1998, the majority of polymorphs (especially polytypes and polytypoids) are not regarded as separate mineral species anymore...

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Bityite
Selasa, 2026-03-03 14:42:15

Maantienvarsi sample, the mineral is a two layer-type modification of polytype 2M1. Bityite has a mica structure, shown in adjacent figure, which consists...

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Strukturbericht designation
Kamis, 2025-10-02 06:39:52

crystal structure B5 4H SiC P63mc Moissanite (4H polytype) structure B6 6H SiC P63mc Moissanite(6H polytype) structure B7 Si-C 15R R3m 15R-SiC structure B8...

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Artemidorus Ephesius
Jumat, 2026-05-15 17:11:30

; Sahli, S.; Aslam, M.; Tripathi, H. B. (18 September 1995). "Diamond polytypes in the chemical vapor deposited diamond films". Applied Physics Letters...

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Nate Pyfer
Minggu, 2025-02-16 06:50:28

"Parlor Hawk" – Parlor Hawk, 2014 "Mideau" – Mideau, 2013 "Basic//Complex" – Polytype, 2012 "The Moth & The Flame"  – The Moth & The Flame, 2011 "I Am Now" ...

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Polybasite
Kamis, 2026-03-12 16:43:32

Strunz classification 2.GB.15 Crystal system Monoclinic and trigonal polytypes Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/c Identification...

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Research in lithium-ion batteries
Sabtu, 2026-03-28 06:54:05

availability of crystallographic vacancies in the framework. The TiO2 polytype brookite has also been evaluated and found to be electrochemically active...

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Inversion domain boundary
Senin, 2026-01-05 12:23:20

metal dichalcogenides (TMDs) such as MoS₂ and MoSe₂. The monolayer 2H polytype of these materials does not possess a vertical mirror plane; therefore...

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Hendricksite
Selasa, 2026-01-06 00:33:46

barium, lithium, natrium and fluorine impurities. It has three known polytypes, which include 1M, 2M1, and 3A. Hendricksite can be included in a solid...

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Copper(I) thiocyanate
Sabtu, 2025-12-20 19:34:46

D. L.; Saunders, V. I. "Preparation and Structure Refinement of the 2H Polytype of beta-Copper(I) Thiocyanate" Acta Crystallographica B, 1982, volume 38...

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Hilgardite
Minggu, 2025-10-12 06:36:09

system. Crystals occur as distorted tabular triangles and are hemimorphic, polytypes exist. It was named for geologist Eugene W. Hilgard (1833–1916). It was...

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Delafossite
Jumat, 2024-11-08 13:35:23

compacted with respect to the c axis. The delafossite structure can have two polytypes according to the orientation of the planar layer stacking. Hexagonal 2H...

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Epitaxial graphene growth on silicon carbide
Sabtu, 2026-01-10 01:47:27

large area monolayer graphene on 3C-SiC and a comparison with other SiC polytypes". Carbon. 57: 477–484. doi:10.1016/j.carbon.2013.02.022. Tedesco, J. L...

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Donnayite-(Y)
Selasa, 2025-08-05 02:03:06

(2008). "The Crystal Structure of Mckelveyite-(Y)-2m, A New Monoclinic Polytype from Val Malenco, Italian Alps". Canadian Mineralogist. 46: 195–203. doi:10...

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Diffraction topography
Senin, 2025-09-01 02:35:28

crystal phase boundaries (regions of different crystallographic phase, polytype, ...) defective areas, non-crystalline (amorphous) areas / inclusions cracks...

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List of minerals recognized by the International Mineralogical Association (G)
Kamis, 2024-02-29 16:21:30

Gersdorffite (IMA1986 s.p., 1845 Rd) 2.EB.25 (IUPAC: nickel arsenide sulfide) Polytypes: Pa3 (pyrite group), P213 (ullmannite group), Pca21 (cobaltite group)...

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Lewis Stephen Ramsdell
Sabtu, 2025-10-11 17:20:29

became a major area of interest for Ramsdell. He determined the pattern of polytypes in silicon carbides and predicted several arrangements. He also examined...

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Timeline of crystallography
Sabtu, 2026-05-23 03:35:22

crystallized". 1947 - Lewis Stephen Ramsdell systematically classified the polytypes of silicon carbide, and introduced the Ramsdell notation. 1948 - The first...

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Volker Heine
Kamis, 2026-02-26 04:57:09

electronic structure studies, a theory of incommensurate structures of polytypes of silicon carbide, and a model for incommensurate and framework structures...

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Susan Shantz
Jumat, 2026-03-27 19:24:10

contributions and the esteem in which she is held by peers and critics alike. Polytypes Remediation Third Space Hibernaculum (1994) Satiate (1998) Untitled (Canapoy...

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Hiroyuki Matsunami
Senin, 2026-03-02 11:26:54

development of a method to grow high-quality epitaxial SiC, devoid of any polytype mixture (approximately 200 kinds), marking a groundbreaking achievement...

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Shrikant Lele
Kamis, 2026-06-04 20:32:50

(January 1989). "Diffraction from 1D Quasicrystals". Modulated Structures, Polytypes and Quasicrystals. CRC Press. pp. 627–. ISBN 978-0-677-25810-2. S Steeb;...

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Ted Janssen
Sabtu, 2025-07-19 03:06:26

Nijmegen. In 1997 he joined the board of Aperiodic (Modulated Structures, Polytypes and Quasicrystals) and he organized Aperiodic-2000, again in Nijmegen...

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