M. Belin's research while affiliated with Paris Diderot University and other places

... In the same fashion, even though the work that has been done on alloys of Be (Z = 4) is less, the potential for high T C values in Be compounds has been shown practically [25,26]. Beryllium tends to form Be-rich compounds like ReBe 22 , but unlike the case of the super hydrides, these low-Z rich compounds can often be synthesized at ambient pressure. ...

... That the mechanism of the current flow through one monolayer is tunneling in nature has also been confirmed by direct measurements of tunneling spec tra [168,314] and the Josephson effect [315]. ...

... The analysis of the terrace width distribution were performed on stepped Cu (001) and (111) Table 3. Studies by Rousset et al. [167] of the terracewidth distribution on Cu(1,1,11) and Cu(810) at room temperature were found to fit a Gaussian and enabled the interaction strength to be determined via (4.5). For Cu(1,1,11), A=15.6 meVÅ was obtained. ...

... Inhomogeneous superconducting states also exhibit features at energies inside the gap. Surface bound states in a normal metal overlayer on a superconductor were predicted first by de Gennes & Saint-James [19,20] and measured by Rowell [21] and Bellanger et al. [22]. These de Gennes-Saint-James bound states have a natural explanation in terms of the so-called Andreev reflection process, an extremely fruitful physical picture suggested in 1964 by Andreev [23,24]. ...

... 4(b), which is a mechanism extensively discussed in previous Refs. [14,[25][26][27]. Considering the lower excitation efficiency in the IES process compared with that in the CI process [28,29], the emission intensities in region (II) is expected to be significantly weaker than those in region (I), which is consistent with our experimental observation (FIG. ...

... In total these two mechanism cause a Gaussian shaped smearing of spectroscopic features of Γ Fermi,RF ≈ 9.2 meV. The third mechanism of spectral broadening is modulation broadening which causes a smearing with the shape of a semicircle χ with a diameter of 2eV mod [18,24]. ...

... [22][23][24][25] For over a quarter of a century, ASW films have been the subject of intense study for unveiling anomalous physical and thermodynamic properties of liquid water [26][27][28][29][30][31][32][33][34][35] as well as for exploring crystallization processes of interfacial water. [1][2][3][4][5][6][36][37][38][39][40][41][42][43][44] ASW films are also known as a dominant solid substance covering dust particles in interstellar space, 45,46 where an ASW mantle with a typical thickness of 5 nm coexists with a partially crystallized form of ice. 47,48 The surfaces of the ultrathin ASW and crystalline ice (CI) mantles play crucial roles in stimulating molecular evolution and spin-isomer conversion, [49][50][51] which are particularly important in astrochemical and astrophysical environments. ...

... On oxides, the acid splits heterolytically, leading to an acetate bound to the cation and a proton reacting with a surface oxygen atom or surface hydroxyl group. This has been reported for basic oxides, such as MgO [34][35][36][37] and CaO [35], and for more acidic oxides, such as GeO 2 [39], Al 2 O 3 [40], TiO 2 [41], NiO [42,43], MoO 3 [36], and α-Fe 2 O 3 [38]. On relatively acidic oxides like ZnO and MnO also a protonated form of the acid has been reported [35]. ...

... of the primitive cell of the isolated layer. –GIC, the graphitic and the intercalant lattices are incommensurate [61] , and the presence of FeCl 3 islands in the van der Waals gaps was pointed out by scanning tunnelling microscopy [62]. In the case of the SbCl 5 –GIC, according to Mössbauer spectroscopy experiments, which point out the simultaneous presence of Sb 5? (SbCl À 6 and SbCl 5 species) and Sb 3? (SbCl À 4 and SbCl 3 species) ions in proportions depending on the synthesis conditions [31, 63] , two intercalated species are present between the graphene sheets resulting from the chemical reaction [29]: ...

... There have been a number of other studies of S on Cu(111). 4,12,[15][16][17][18][19][20][21] The work most relevant to the current study is that of Wahlström et al., 20,21 who characterized this system at temperatures down to 50 K and discovered a number of low-temperature ordered phases. The lowest-coverage phase was a ( √ 43 × √ 43) R ± 7.5 • (hereafter referred to as √ 43) reconstruction with an ideal coverage of 0.27 monolayers (ML) and a disordering temperature of 170 K. ...