ライフサイエンスコーパス: niobium

1 ts (i.e., vanadium, chromium, manganese, and niobium).

2 servoir for some lithophile elements such as niobium.

3 rsor to a terminal arsenide anion complex of niobium.

4 and lamellar metallic powders of tantalum or niobium (20 vol.%) as starting materials.

5 Heterometallic multiple bonds between niobium and other transition metals have not been report

6 Niobium and tantalum metal powders and pentoxides are wi

7 However, the current processing methods for niobium and tantalum metals and oxides are energy ineffi

8 ture process for the selective separation of niobium and tantalum oxides from the remainder mineral c

9 Several new donor-acceptor adducts of niobium and tantalum pentaazide with N-donor ligands hav

10 tructure, the elements of group V, vanadium, niobium and tantalum, show strong interactions between t

11 New two-dimensional niobium and vanadium carbides have been synthesized by s

12 Here we show, however, that niobium and vanadium partition in virtually identical fa

13 ught), then so has a similar fraction of its niobium, and no hidden reservoir need be sought in the E

14 contain greater amounts of aluminum, nickel, niobium, and silver and significantly greater amounts of

15 Monometallic niobium arene complexes [Nb(BDI)(N(t)Bu)(R-C(6)H(5))] (2

16 steel alloying elements (e.g., chromium and niobium) as well as elements used in high-temperature al

17 lectron density from the adsorbed cluster to niobium atoms in the support; this mixing is absent in w

18 curs readily in the presence of tantalum and niobium binaphtholate catalysts with high regio- and ena

19 e fragment of an imido ligand in a series of niobium bis(imido) complexes.

20 to the highly reactive nature of low-valent niobium centers.

21 gate environmental implications, followed by niobium, chromium, manganese, and iron.

22 of gas-phase, cryogenically cooled, neutral niobium clusters [NbN; number of atoms (N) = 2 to 150, t

23 of fast-scan cyclic voltammetry, CNT-coated niobium (CNT-Nb) microelectrodes exhibit higher sensitiv

24 n monoxide with a beta-diketiminato dimethyl niobium complex (BDI)Me2Nb(NtBu) is shown to lead to a v

25 Diphosphorus is extruded from a niobium complex designed for this purpose and can be tra

26 itant with the formation of NaCl and the oxo niobium complex O[triple bond]Nb(N[Np]Ar)3 (1a-O).

27 l CT (LMCT) energy, except for electron-rich niobium dialkylhydrazides, which pyramidalize N(beta) in

28 Niobium dioxide can exhibit negative differential resist

29 Niobium diselenide has long served as a prototype of two

30 ts of graphene, molybdenum disulfide (MoS2), niobium diselenide, and hexagonal boron nitride exfoliat

31 tion-processed films of colloidal aliovalent niobium-doped anatase TiO2 nanocrystals exhibit modulati

32 In this study, niobium-doped titania bilayer structures consisting of a

33 single-walled carbon nanotubes connected to niobium electrodes was controlled with the use of nearby

34 tions of the elements titanium, tantalum and niobium encourage a shear-induced solid-state transforma

35 Niobium has always been considered to be lithophile and

36 White phosphorus (P4) reacts with niobium(III) and tantalum(III) beta-diketiminate (BDI) t

37 in CF3-substituted arenes are activated by a niobium imido complex, driven by the formation of strong

38 measurements on ballistic suspended graphene-Niobium Josephson weak links that demonstrate a transiti

39 g copper, manganese, magnesium, nickel, tin, niobium, light rare earth elements (LREEs; lanthanum, ce

40 The niobium methylidene [{(Ar'O)2 Nb}2 (mu2 -Cl)2 (mu2 -CH2

41 resulted in formation of a rare example of a niobium methylidene, (PNP)Nb horizontal lineCH2(OAr)(OTf

42 nts of KC8 results in formation of the first niobium methylidyne [K][{(Ar'O)2 Nb}2 (mu2 -CH)(mu2 -H)(

43 d with the use of nearby gates that tune the niobium-nanotube transparency.

44 In the present work, a novel material, niobium nanowires, in form of vertically aligned electro

45 ison of the action of Mg(NO3)2, iridium (Ir)/niobium (Nb) and iridium (Ir)/tungsten (W) was examined.

46 nitriles (RC[triple bond]N) by the terminal niobium nitride anion [N[triple bond]Nb(N[Np]Ar)3]- ([1a

47 ts in formation of a neutral and mononuclear niobium nitride, (PNP)Nb identical withN(OAr), along wit

48 (SNSPDs) comprising short- and long-periodic niobium-nitride (NbN) stripe-patterns.

49 The self-assembly of block copolymers with niobium oxide and metal precursors results in an ordered

50 The interfaces between niobium oxide and sodium niobate full of ion vacancies f

51 process to fabricate electrochromic films of niobium oxide glass (NbOx) and 'nanocrystal-in-glass' co

52 ing tin-doped indium oxide nanocrystals into niobium oxide glass (NbOx), and realize a new amorphous

53 highly crystalline, well-ordered mesoporous niobium oxide-carbon composites with Pt (or Pt-Pb) nanop

54 es incorporated into the pores of mesoporous niobium oxide-carbon composites.

55 blished for group-IV (titanium) and group-V (niobium) oxides, with potential applications to photovol

56 A new niobium oxyfluoride, Nb2O2F3, synthesized through the re

57 Experimentally, the niobium pentahalide halogenations are rapid, afford esse

58 Here we report the first demonstration that niobium pentoxide (Nb 2O 5) provides for efficient enric

59 ed electrostatically onto negatively charged niobium pentoxide (Nb(2)O(5)) substrates.

60 moelectric conductance in the Weyl semimetal niobium phosphide (NbP) for collinear temperature gradie

61 n O-for-PSiR(3) metathesis reaction with the niobium phosphinidene complex (i)Pr(3)SiPNb(N[CH(2)(t)Bu

62 Niobium polyoxometalates (Nb-POMs) are unique in the aqu

63 odologies for the extraction of tantalum and niobium pose a serious threat to human beings and the en

64 supported Nb species by reacting a molecular niobium precursor, [NbCl5.OEt2], with silica dehydroxyla

65 The reactions of SiO(2-200) with the niobium precursor, according to two different protocols,

66 s been used to infer the existence of hidden niobium-rich reservoirs in the Earth's deep mantle.

67 measurements are reported here in amorphous niobium-silicon alloys with compositions (x) near the ze

68 ies support the involvement of two different niobium species.

69 In this work, we successfully grew CNTs on niobium substrates for the first time.

70 Bulk niobium Superconducting Radio-Frequency cavities are a l

71 Synthetic and computational studies on model niobium systems provide evidence for the intermediacy of

72 roducts formed during the alkali roasting of niobium-tantalum bearing minerals with sodium bicarbonat

73 High transparency superconducting niobium titanium nitride contacts are made to each of th

74 High-yield recycling of oxo 1a-O to a niobium triflate complex appropriate for heterodinuclear

75 labile diethyl ether adduct of an asymmetric niobium(V) bis(imide) 2.OEt2 containing the monoazabutad